Inventor · disambiguated record
Hirotoshi Ogawa
Also filed as: OGAWA HIROTOSHI
4 granted patents·110 citations·filing 1979–1985
80Inventor score
Technology areasF16K
Top patents by PatentIndex Score
4 records- 0179US4266754AButterfly valve assemblyASAHI ORGANIC CHEM IND·Filed 1979·Granted May 12, 1981·36 cites·5 claims
- 0271US4592534AValve assemblyASAHI YUKISAI KOGYO CO LTD·Filed 1983·Granted Jun 3, 1986·30 cites·4 claims
- 0367US4676479AFlanged valveASAHI ORGANIC CHEM IND·Filed 1985·Granted Jun 30, 1987·26 cites·4 claims
- 0454US4616804AGate valveASAHI ORGANIC CHEM IND·Filed 1984·Granted Oct 14, 1986·18 cites·2 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →