Inventor · disambiguated record
Yoshihiko Yoshikawa
Also filed as: YOSHIKAWA YOSHIHIKO
5 granted patents·23 citations·filing 1979–1990
74Inventor score
Top patents by PatentIndex Score
5 records- 0136US5154570AVertical shaft pumpHITACHI LTD·Filed 1990·Granted Oct 13, 1992·10 cites·28 claims
- 0235US4683440AHigh-frequency amplifier deviceMITSUBISHI ELECTRIC CORP·Filed 1986·Granted Jul 28, 1987·5 cites·3 claims
- 0334US4384646APressurized preservation containerSUMITOMO RUBBER IND·Filed 1981·Granted May 24, 1983·7 cites·6 claims
- 0425US4408207AAngular error detecting deviceMITSUBISHI ELECTRIC CORP·Filed 1981·Granted Oct 4, 1983·0 cites·7 claims
- 0525US4345255AAntenna feed systemKOKUSAI DENSHIN DENWA CO LTD·Filed 1979·Granted Aug 17, 1982·1 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →