Inventor · disambiguated record
Tatsuhiko Okuma
Also filed as: OKUMA TATSUHIKO · SAKAI KAZUMASA
4 granted patents·39 citations·filing 1977–1997
75Inventor score
Technology areasH03F
Files withKENWOOD CORP4
Top patents by PatentIndex Score
4 records- 0174US4158179AAmplifier circuitKENWOOD CORP·Filed 1977·Granted Jun 12, 1979·16 cites·11 claims
- 0249US4472688AAmplifier circuitKENWOOD CORP·Filed 1982·Granted Sep 18, 1984·9 cites·4 claims
- 0346US6054898ASemiconductor device having SEPP connected NPN and PNP transistorsKENWOOD CORP·Filed 1997·Granted Apr 25, 2000·12 cites·26 claims
- 0431US4199732AAmplifying circuitKENWOOD CORP·Filed 1978·Granted Apr 22, 1980·2 cites·14 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →