Inventor · disambiguated record
Katsuhisa Kumazawa
Also filed as: KUMAZAWA KATSUHISA
7 granted patents·1 pending application·34 citations·filing 2006–2022
83Inventor score
Top patents by PatentIndex Score
8 records- 0194US10870727B2Biomass-resource-derived polyester and production process thereofMITSUBISHI CHEM CORP·Filed 2019·Granted Dec 22, 2020·3 cites·15 claims
- 0294US7985566B2Biomass-resource-derived polyester and production process thereofMITSUBISHI CHEM CORP·Filed 2006·Granted Jul 26, 2011·21 cites·31 claims
- 0391US8021864B2Biomass-resource-derived polyester and production process thereofMITSUBISHI CHEM CORP·Filed 2010·Granted Sep 20, 2011·9 cites·18 claims
- 0486US11732087B2Biomass-resource-derived polyester and production process thereofMITSUBISHI CHEM CORP·Filed 2022·Granted Aug 22, 2023·0 cites·13 claims
- 0578US11560449B2Biomass-resource-derived polyester and production process thereofMITSUBISHI CHEM CORP·Filed 2020·Granted Jan 24, 2023·0 cites·10 claims
- 0675US9080009B2Biomass-resource-derived polyester and production process thereofAOSHIMA TAKAYUKI·Filed 2011·Granted Jul 14, 2015·1 cites·12 claims
- 0770US10287393B2Biomass-resource-derived polyester and production process thereofAOSHIMA TAKAYUKI·Filed 2017·Granted May 14, 2019·0 cites·10 claims
- 0862US2013030145A1Biomass-resource-derived polyester and production process thereofMITSUBISHI CHEM CORP·Filed 2012·Application pending·0 cites
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →