Inventor · disambiguated record
Hiromu Kumagai
Also filed as: KUMAGAI Hiromu
6 granted patents·2 pending applications·0 citations·filing 2016–2023
64Inventor score
Files withIDEMITSU KOSAN CO8
Top patents by PatentIndex Score
8 records- 0174US12098243B2Polyether ether ketone and method for producing polyether ether ketoneIDEMITSU KOSAN CO·Filed 2021·Granted Sep 24, 2024·0 cites·16 claims
- 0268US2025230278A1Aromatic polyether, method for producing aromatic polyether, composition and sheetIDEMITSU KOSAN CO·Filed 2023·Application pending·0 cites
- 0367US12091504B2Polyether ether ketone, composition, and sheetIDEMITSU KOSAN CO·Filed 2021·Granted Sep 17, 2024·0 cites·8 claims
- 0463US12319785B2Method for producing aromatic polyether, and potassium carbonate used in sameIDEMITSU KOSAN CO·Filed 2021·Granted Jun 3, 2025·0 cites·6 claims
- 0562US2024158574A1Polyetheretherketone and method for producing the sameIDEMITSU KOSAN CO·Filed 2022·Application pending·0 cites
- 0659US11542453B2Grease composition, mechanism component, and production method for grease compositionIDEMITSU KOSAN CO·Filed 2019·Granted Jan 3, 2023·0 cites·5 claims
- 0752US10704010B2Grease and method for manufacturing greaseIDEMITSU KOSAN CO·Filed 2016·Granted Jul 7, 2020·0 cites·22 claims
- 0851US10829711B2Grease, mechanical component, and method for producing greaseIDEMITSU KOSAN CO·Filed 2016·Granted Nov 10, 2020·0 cites·11 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →