Inventor · disambiguated record

Yasuhiko Hirai

Also filed as: HIRAI YASUHIKO

2 granted patents·25 citations·filing 1987–1990

61Inventor score

Technology areasC25B

Files withTOKUYAMA SODA KK2

Top patents by PatentIndex Score

2 records

0173US4929317AProcess for preparation of perfluoro organic compoundsTOKUYAMA SODA KK·Filed 1987·Granted May 29, 1990·17 cites·10 claims
0251US4983747AProcess for preparation of perfluoro organic compoundsTOKUYAMA SODA KK·Filed 1990·Granted Jan 8, 1991·8 cites·1 claims

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