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  <link:labelLink xlink:role="http://www.xbrl.org/2003/role/link" xlink:type="extended">
    <link:label id="lab_inph_AjustementsPourLaugmentationLaDiminutionDeLaGarantieDeRetenue_label_fr" xlink:label="lab_inph_AjustementsPourLaugmentationLaDiminutionDeLaGarantieDeRetenue" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="fr">Ajustements pour l'augmentation (la diminution) de la garantie de retenue</link:label>
    <link:label id="lab_inph_AjustementsPourLaugmentationLaDiminutionDeLaGarantieDeRetenue_documentation_fr" xlink:label="lab_inph_AjustementsPourLaugmentationLaDiminutionDeLaGarantieDeRetenue" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="fr">Ajustements pour l'augmentation (la diminution) de la garantie de retenue</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_inph_AjustementsPourLaugmentationLaDiminutionDeLaGarantieDeRetenue" xlink:href="inph-2024-12-31.xsd#inph_AjustementsPourLaugmentationLaDiminutionDeLaGarantieDeRetenue"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_inph_AjustementsPourLaugmentationLaDiminutionDeLaGarantieDeRetenue" xlink:to="lab_inph_AjustementsPourLaugmentationLaDiminutionDeLaGarantieDeRetenue" xlink:type="arc" order="1"/>
    <link:label id="lab_inph_PropertyPlantAndEquipmentIncludingRightOfUseAssets_label_fr" xlink:label="lab_inph_PropertyPlantAndEquipmentIncludingRightOfUseAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="fr">Immobilisations corporelles, y compris les actifs liés au droit d'utilisation</link:label>
    <link:label id="lab_inph_PropertyPlantAndEquipmentIncludingRightOfUseAssets_documentation_fr" xlink:label="lab_inph_PropertyPlantAndEquipmentIncludingRightOfUseAssets" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="fr">Immobilisations corporelles, y compris les actifs liés au droit d'utilisation</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_inph_PropertyPlantAndEquipmentIncludingRightOfUseAssets" xlink:href="inph-2024-12-31.xsd#inph_PropertyPlantAndEquipmentIncludingRightOfUseAssets"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_inph_PropertyPlantAndEquipmentIncludingRightOfUseAssets" xlink:to="lab_inph_PropertyPlantAndEquipmentIncludingRightOfUseAssets" xlink:type="arc" order="1"/>
    <link:label id="lab_inph_ExerciceEtSouscriptionDInstrumentsDeParticipationEnNombreDActions_label_fr" xlink:label="lab_inph_ExerciceEtSouscriptionDInstrumentsDeParticipationEnNombreDActions" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="fr">Exercice Et Souscription D'Instruments De Participation (En Nombre D'Actions)</link:label>
    <link:label id="lab_inph_ExerciceEtSouscriptionDInstrumentsDeParticipationEnNombreDActions_documentation_fr" xlink:label="lab_inph_ExerciceEtSouscriptionDInstrumentsDeParticipationEnNombreDActions" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="fr">Exercice Et Souscription D'Instruments De Participation (En Nombre D'Actions)</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_inph_ExerciceEtSouscriptionDInstrumentsDeParticipationEnNombreDActions" xlink:href="inph-2024-12-31.xsd#inph_ExerciceEtSouscriptionDInstrumentsDeParticipationEnNombreDActions"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_inph_ExerciceEtSouscriptionDInstrumentsDeParticipationEnNombreDActions" xlink:to="lab_inph_ExerciceEtSouscriptionDInstrumentsDeParticipationEnNombreDActions" xlink:type="arc" order="1"/>
    <link:label id="lab_inph_VariationDuNombreDActionsAbstract_label_fr" xlink:label="lab_inph_VariationDuNombreDActionsAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="fr">Variation Du Nombre D'Actions [Abstract]</link:label>
    <link:label id="lab_inph_VariationDuNombreDActionsAbstract_documentation_fr" xlink:label="lab_inph_VariationDuNombreDActionsAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="fr">Variation Du Nombre D'Actions</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_inph_VariationDuNombreDActionsAbstract" xlink:href="inph-2024-12-31.xsd#inph_VariationDuNombreDActionsAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_inph_VariationDuNombreDActionsAbstract" xlink:to="lab_inph_VariationDuNombreDActionsAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_FinanceIncomeCost_ade56a73-56bf-4f47-8e75-33b92d3944eb_totalLabel_fr" xlink:label="lab_ifrs-full_FinanceIncomeCost" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="fr">Finance income (cost)</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_FinanceIncomeCost" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_FinanceIncomeCost"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_FinanceIncomeCost" xlink:to="lab_ifrs-full_FinanceIncomeCost" xlink:type="arc" order="1"/>
    <link:label id="lab_inph_CessionDactifsFinanciersCourantsEtInteretsVerses_label_fr" xlink:label="lab_inph_CessionDactifsFinanciersCourantsEtInteretsVerses" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="fr">Cession d’actifs financiers courants et intérêts versés</link:label>
    <link:label id="lab_inph_CessionDactifsFinanciersCourantsEtInteretsVerses_documentation_fr" xlink:label="lab_inph_CessionDactifsFinanciersCourantsEtInteretsVerses" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="fr">Cession d’actifs financiers courants et intérêts versés</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_inph_CessionDactifsFinanciersCourantsEtInteretsVerses" xlink:href="inph-2024-12-31.xsd#inph_CessionDactifsFinanciersCourantsEtInteretsVerses"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_inph_CessionDactifsFinanciersCourantsEtInteretsVerses" xlink:to="lab_inph_CessionDactifsFinanciersCourantsEtInteretsVerses" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CashFlowsFromUsedInOperationsBeforeChangesInWorkingCapital_87cf46ce-3bfe-49d5-859d-bbf8868e9c9a_totalLabel_fr" xlink:label="lab_ifrs-full_CashFlowsFromUsedInOperationsBeforeChangesInWorkingCapital" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="fr">Flux de trésorerie résultant (utilisés dans le cadre) des activités avant variations du fonds de roulement</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CashFlowsFromUsedInOperationsBeforeChangesInWorkingCapital" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_CashFlowsFromUsedInOperationsBeforeChangesInWorkingCapital"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CashFlowsFromUsedInOperationsBeforeChangesInWorkingCapital" xlink:to="lab_ifrs-full_CashFlowsFromUsedInOperationsBeforeChangesInWorkingCapital" xlink:type="arc" order="1"/>
    <link:label id="lab_inph_RemboursementsDesPassifsFinanciers_label_fr" xlink:label="lab_inph_RemboursementsDesPassifsFinanciers" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="fr">Remboursements Des Passifs Financiers</link:label>
    <link:label id="lab_inph_RemboursementsDesPassifsFinanciers_documentation_fr" xlink:label="lab_inph_RemboursementsDesPassifsFinanciers" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="fr">Remboursements Des Passifs Financiers</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_inph_RemboursementsDesPassifsFinanciers" xlink:href="inph-2024-12-31.xsd#inph_RemboursementsDesPassifsFinanciers"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_inph_RemboursementsDesPassifsFinanciers" xlink:to="lab_inph_RemboursementsDesPassifsFinanciers" xlink:type="arc" order="1"/>
    <link:label id="lab_inph_DettesSurCollaborationCourantes_label_fr" xlink:label="lab_inph_DettesSurCollaborationCourantes" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="fr">Dettes Sur Collaboration Courantes</link:label>
    <link:label id="lab_inph_DettesSurCollaborationCourantes_documentation_fr" xlink:label="lab_inph_DettesSurCollaborationCourantes" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="fr">Dettes Sur Collaboration Courantes</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_inph_DettesSurCollaborationCourantes" xlink:href="inph-2024-12-31.xsd#inph_DettesSurCollaborationCourantes"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_inph_DettesSurCollaborationCourantes" xlink:to="lab_inph_DettesSurCollaborationCourantes" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_OperatingExpense_636e3f0c-46c2-49a2-b315-4ba326f682a7_totalLabel_fr" xlink:label="lab_ifrs-full_OperatingExpense" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="fr">Charges d’exploitation</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OperatingExpense" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_OperatingExpense"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OperatingExpense" xlink:to="lab_ifrs-full_OperatingExpense" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_IncreaseDecreaseInWorkingCapital_19ff1de1-bef2-4201-a70d-4e3479a70b61_totalLabel_fr" xlink:label="lab_ifrs-full_IncreaseDecreaseInWorkingCapital" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="fr">Augmentation (diminution) du fonds de roulement</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IncreaseDecreaseInWorkingCapital" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_IncreaseDecreaseInWorkingCapital"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IncreaseDecreaseInWorkingCapital" xlink:to="lab_ifrs-full_IncreaseDecreaseInWorkingCapital" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CashFlowsFromUsedInOperatingActivities_cad3ffeb-428f-4499-80fd-df55dc8842d2_totalLabel_fr" xlink:label="lab_ifrs-full_CashFlowsFromUsedInOperatingActivities" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="fr">Flux de trésorerie résultant (utilisés dans le cadre) des activités opérationnelles</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CashFlowsFromUsedInOperatingActivities" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_CashFlowsFromUsedInOperatingActivities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CashFlowsFromUsedInOperatingActivities" xlink:to="lab_ifrs-full_CashFlowsFromUsedInOperatingActivities" xlink:type="arc" order="1"/>
    <link:label id="lab_inph_DettesSurCollaborationNonCourantes_label_fr" xlink:label="lab_inph_DettesSurCollaborationNonCourantes" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="fr">Dettes Sur Collaboration Non Courantes</link:label>
    <link:label id="lab_inph_DettesSurCollaborationNonCourantes_documentation_fr" xlink:label="lab_inph_DettesSurCollaborationNonCourantes" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="fr">Dettes Sur Collaboration Non Courantes</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_inph_DettesSurCollaborationNonCourantes" xlink:href="inph-2024-12-31.xsd#inph_DettesSurCollaborationNonCourantes"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_inph_DettesSurCollaborationNonCourantes" xlink:to="lab_inph_DettesSurCollaborationNonCourantes" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CashFlowsFromUsedInFinancingActivities_a07372e5-abd6-4e98-9966-1bde2168dbdb_totalLabel_fr" xlink:label="lab_ifrs-full_CashFlowsFromUsedInFinancingActivities" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="fr">Flux de trésorerie résultant (utilisés dans le cadre) d’activités de financement</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CashFlowsFromUsedInFinancingActivities" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_CashFlowsFromUsedInFinancingActivities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CashFlowsFromUsedInFinancingActivities" xlink:to="lab_ifrs-full_CashFlowsFromUsedInFinancingActivities" xlink:type="arc" order="1"/>
    <link:label id="lab_inph_BesoinEnFondsDeRoulementApresRetenueDeGarantie._0160a3b7-235f-44c1-bd63-2b7e13da17eb_totalLabel_fr" xlink:label="lab_inph_BesoinEnFondsDeRoulementApresRetenueDeGarantie." xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="fr">Besoin En Fonds De Roulement Apres Retenue De Garantie.</link:label>
    <link:label id="lab_inph_BesoinEnFondsDeRoulementApresRetenueDeGarantie._label_fr" xlink:label="lab_inph_BesoinEnFondsDeRoulementApresRetenueDeGarantie." xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="fr">Besoin En Fonds De Roulement Apres Retenue De Garantie.</link:label>
    <link:label id="lab_inph_BesoinEnFondsDeRoulementApresRetenueDeGarantie._documentation_fr" xlink:label="lab_inph_BesoinEnFondsDeRoulementApresRetenueDeGarantie." xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="fr">Besoin En Fonds De Roulement Apres Retenue De Garantie.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_inph_BesoinEnFondsDeRoulementApresRetenueDeGarantie." xlink:href="inph-2024-12-31.xsd#inph_BesoinEnFondsDeRoulementApresRetenueDeGarantie."/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_inph_BesoinEnFondsDeRoulementApresRetenueDeGarantie." xlink:to="lab_inph_BesoinEnFondsDeRoulementApresRetenueDeGarantie." xlink:type="arc" order="1"/>
    <link:label id="lab_inph_DettesSurCollaborationPartCouranteEtNonCourante_label_fr" xlink:label="lab_inph_DettesSurCollaborationPartCouranteEtNonCourante" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="fr">Dettes Sur Collaboration - Part Courante et Non-Courante</link:label>
    <link:label id="lab_inph_DettesSurCollaborationPartCouranteEtNonCourante_documentation_fr" xlink:label="lab_inph_DettesSurCollaborationPartCouranteEtNonCourante" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="fr">Dettes Sur Collaboration - Part Courante et Non-Courante</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_inph_DettesSurCollaborationPartCouranteEtNonCourante" xlink:href="inph-2024-12-31.xsd#inph_DettesSurCollaborationPartCouranteEtNonCourante"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_inph_DettesSurCollaborationPartCouranteEtNonCourante" xlink:to="lab_inph_DettesSurCollaborationPartCouranteEtNonCourante" xlink:type="arc" order="1"/>
    <link:label id="lab_inph_ProvisionsPourCharges_label_fr" xlink:label="lab_inph_ProvisionsPourCharges" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="fr">Provisions Pour Charges</link:label>
    <link:label id="lab_inph_ProvisionsPourCharges_documentation_fr" xlink:label="lab_inph_ProvisionsPourCharges" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="fr">Provisions Pour Charges</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_inph_ProvisionsPourCharges" xlink:href="inph-2024-12-31.xsd#inph_ProvisionsPourCharges"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_inph_ProvisionsPourCharges" xlink:to="lab_inph_ProvisionsPourCharges" xlink:type="arc" order="1"/>
    <link:label id="lab_inph_RetenuesNettesDeCreditDimpotCIR_label_fr" xlink:label="lab_inph_RetenuesNettesDeCreditDimpotCIR" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="fr">Retenues nettes de crédit d'impôt, CIR</link:label>
    <link:label id="lab_inph_RetenuesNettesDeCreditDimpotCIR_documentation_fr" xlink:label="lab_inph_RetenuesNettesDeCreditDimpotCIR" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="fr">Retenues nettes de crédit d'impôt, CIR</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_inph_RetenuesNettesDeCreditDimpotCIR" xlink:href="inph-2024-12-31.xsd#inph_RetenuesNettesDeCreditDimpotCIR"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_inph_RetenuesNettesDeCreditDimpotCIR" xlink:to="lab_inph_RetenuesNettesDeCreditDimpotCIR" xlink:type="arc" order="1"/>
    <link:label id="lab_inph_CessionDActifsFinanciersNonCourants_label_fr" xlink:label="lab_inph_CessionDActifsFinanciersNonCourants" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="fr">Cession D'Actifs Financiers Non Courants</link:label>
    <link:label id="lab_inph_CessionDActifsFinanciersNonCourants_documentation_fr" xlink:label="lab_inph_CessionDActifsFinanciersNonCourants" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="fr">Cession D'Actifs Financiers Non Courants</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_inph_CessionDActifsFinanciersNonCourants" xlink:href="inph-2024-12-31.xsd#inph_CessionDActifsFinanciersNonCourants"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_inph_CessionDActifsFinanciersNonCourants" xlink:to="lab_inph_CessionDActifsFinanciersNonCourants" xlink:type="arc" order="1"/>
    <link:label id="lab_inph_CreditDimpotBrutDeRetentionCIR_label_fr" xlink:label="lab_inph_CreditDimpotBrutDeRetentionCIR" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="fr">Crédit d'impôt brut de rétention CIR</link:label>
    <link:label id="lab_inph_CreditDimpotBrutDeRetentionCIR_documentation_fr" xlink:label="lab_inph_CreditDimpotBrutDeRetentionCIR" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="fr">Crédit d'impôt brut de rétention CIR</link:label>
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