Inventor · disambiguated record
Ippei Kokubun
Also filed as: KOKUBUN Ippei
3 granted patents·0 citations·filing 2017–2022
38Inventor score
Top patents by PatentIndex Score
3 records- 0156US12253134B2Coil spring deviceNHK SPRING CO LTD·Filed 2022·Granted Mar 18, 2025·0 cites·2 claims
- 0249US12473955B2Coil spring deviceNHK SPRING CO LTD·Filed 2022·Granted Nov 18, 2025·0 cites·4 claims
- 0339US10982140B2Nitride phosphor particle dispersion-type sialon ceramic, fluorescent member, and method for producing nitride phosphor particle dispersion-type sialon ceramicKANAGAWA INSTITUTE OF INDUSTRIAL SCIENCE AND TECH·Filed 2017·Granted Apr 20, 2021·0 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →