Inventor · disambiguated record

Kazushige Hirao

Also filed as: NAKAYAMA YOSHIKI · SHIMIZU MASAMICHI

2 granted patents·7 citations·filing 1979–1980

52Inventor score

Technology areasC01B C07F

Files withIHARA CHEMICAL IND CO2

Top patents by PatentIndex Score

2 records

0147US4212831AProcess for producing triphenylphosphineIHARA CHEMICAL IND CO·Filed 1979·Granted Jul 15, 1980·2 cites·3 claims
0242US4250156AProcess for preparing carbonyl sulfideIHARA CHEMICAL IND CO·Filed 1980·Granted Feb 10, 1981·5 cites·10 claims

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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →