Inventor · disambiguated record
Kazumasa Sakai
Also filed as: OKUMA TATSUHIKO · SAKAI KAZUMASA
7 granted patents·62 citations·filing 1977–2017
83Inventor score
Top patents by PatentIndex Score
7 records- 0174US4158179AAmplifier circuitKENWOOD CORP·Filed 1977·Granted Jun 12, 1979·16 cites·11 claims
- 0270US4331930ABias circuit for power amplifierKENWOOD CORP·Filed 1980·Granted May 25, 1982·20 cites·7 claims
- 0363US4194166ADifferential amplifier with a current mirror circuitKENWOOD CORP·Filed 1978·Granted Mar 18, 1980·10 cites·9 claims
- 0449US4472688AAmplifier circuitKENWOOD CORP·Filed 1982·Granted Sep 18, 1984·9 cites·4 claims
- 0543US10907745B2Pressure regulator valveKAWASAKI HEAVY IND LTD·Filed 2017·Granted Feb 2, 2021·0 cites·4 claims
- 0643US4288755AProtective circuit for a direct-coupled amplifierKENWOOD CORP·Filed 1979·Granted Sep 8, 1981·5 cites·6 claims
- 0733US4152662APreamplifier having integrated circuitryKENWOOD CORP·Filed 1978·Granted May 1, 1979·2 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →