Inventor · disambiguated record
Eugene Matsuda
Also filed as: MATSUDA EUGENE · MATSUDA EUGENE S
5 granted patents·85 citations·filing 1981–1986
82Inventor score
Top patents by PatentIndex Score
5 records- 0158US4724866ASpeed control valveNL INDUSTRIES INC·Filed 1986·Granted Feb 16, 1988·19 cites·12 claims
- 0255US4461448AWell blowout preventer, and packing elementHYDRIL CO·Filed 1981·Granted Jul 24, 1984·25 cites·62 claims
- 0351US4447037AWell blowout preventer, and packing elementHYDRIL CO·Filed 1982·Granted May 8, 1984·21 cites·30 claims
- 0443US4674920ASubsea well template levelling systemHUGHES TOOL CO·Filed 1985·Granted Jun 23, 1987·10 cites·5 claims
- 0536US4452421AWell blowout preventer, and packing elementHYDRIL CO·Filed 1982·Granted Jun 5, 1984·10 cites·24 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →