Inventor · disambiguated record
Masami Ohnishi
Also filed as: OHNISHI MASAMI
31 granted patents·4 pending applications·582 citations·filing 1975–2023
97Inventor score
Files withRENESAS TECH CORP19HITACHI LTD9RENESAS ELECTRONICS CORP2KANEGAFUCHI CHEMICAL IND1NAMBU HIROI1
Top patents by PatentIndex Score
35 records- 0197US7756494B2RF power amplifierRENESAS TECH CORP·Filed 2007·Granted Jul 13, 2010·44 cites·13 claims
- 0294US6943624B2Radio frequency power amplifierRENESAS TECH CORP·Filed 2002·Granted Sep 13, 2005·61 cites·7 claims
- 0390US5274341AHigh-frequency power amplifierHITACHI LTD·Filed 1992·Granted Dec 28, 1993·84 cites·6 claims
- 0489US6566956B2High frequency power amplifierHITACHI LTD·Filed 2001·Granted May 20, 2003·50 cites·16 claims
- 0587US8600321B2Radio transmitter and envelope tracking power supply control methodNAMBU HIROI·Filed 2012·Granted Dec 3, 2013·26 cites·2 claims
- 0687US6674323B2High frequency power amplifier, high frequency power amplifier module, and portable telephoneRENESAS TECH CORP·Filed 2002·Granted Jan 6, 2004·40 cites·20 claims
- 0786US7589588B2High-frequency power amplifier and radio communication equipment using the sameRENESAS TECH CORP·Filed 2006·Granted Sep 15, 2009·15 cites·20 claims
- 0880US7482875B2High frequency power amplifierRENESAS TECH CORP·Filed 2005·Granted Jan 27, 2009·11 cites·2 claims
- 0979US7825731B2RF amplifying deviceRENESAS ELECTRONICS CORP·Filed 2008·Granted Nov 2, 2010·11 cites·20 claims
- 1078US7928802B2RF amplification deviceRENESAS ELECTRONICS CORP·Filed 2007·Granted Apr 19, 2011·10 cites·27 claims
- 1178US7132892B2Radio frequency power amplifier moduleRENESAS TECH CORP·Filed 2005·Granted Nov 7, 2006·5 cites·12 claims
- 1277US7368996B2High frequency power amplifierRENESAS TECH CORP·Filed 2005·Granted May 6, 2008·6 cites·4 claims
- 1376US5559524AAntenna system including a plurality of meander conductors for a portable radio apparatusHITACHI LTD·Filed 1994·Granted Sep 24, 1996·48 cites·11 claims
- 1475US6396349B2Traveling wave power combiner and radio base stationHITACHI LTD·Filed 2001·Granted May 28, 2002·18 cites·14 claims
- 1574US7408405B2High-frequency power amplifier moduleRENESAS TECH CORP·Filed 2005·Granted Aug 5, 2008·8 cites·16 claims
- 1673US7102427B2Amplifier and radio frequency power amplifier using the sameRENESAS TECH CORP·Filed 2004·Granted Sep 5, 2006·17 cites·20 claims
- 1770US6949974B2Radio frequency power amplifierRENESAS TECH CORP·Filed 2004·Granted Sep 27, 2005·12 cites·20 claims
- 1869US5298910AAntenna for radio apparatusHITACHI LTD·Filed 1992·Granted Mar 29, 1994·36 cites·38 claims
- 1966US4917799AFiltering device for blood plateletsNISSHO KK·Filed 1988·Granted Apr 17, 1990·25 cites·3 claims
- 2065US7123087B2Radio frequency power amplifierRENESAS TECH CORP·Filed 2005·Granted Oct 17, 2006·4 cites·7 claims
- 2164US9106184B2High-frequency amplifier, and high-frequency module and wireless transceiver using sameOHNISHI MASAMI·Filed 2011·Granted Aug 11, 2015·4 cites·15 claims
- 2264US3959235AMethod of polymerizing vinyl chlorideKANEGAFUCHI CHEMICAL IND·Filed 1975·Granted May 25, 1976·13 cites·15 claims
- 2361US7248118B2Radio frequency power amplifier moduleRENESAS TECH CORP·Filed 2004·Granted Jul 24, 2007·9 cites·11 claims
- 2459US6236272B1Traveling wave power combiner and radio base stationHITACHI LTD·Filed 1999·Granted May 22, 2001·15 cites·5 claims
- 2557US6943387B2Semiconductor device, manufacturing thereof and power amplifier moduleRENESAS TECH CORP·Filed 2003·Granted Sep 13, 2005·7 cites·4 claims
- 2656US2024106553A1Wireless Communication Environment Evaluation Method and SystemHITACHI LTD·Filed 2023·Application pending·0 cites
- 2755US2023396348A1Radio environment evaluation method and wireless communication characteristic evaluation systemHITACHI LTD·Filed 2023·Application pending·0 cites
- 2852US7221228B2Radio frequency power amplifier moduleRENESAS TECH CORP·Filed 2006·Granted May 22, 2007·0 cites·7 claims
- 2950US6956438B2Radio frequency power amplifier moduleRENESAS TECH CORP·Filed 2004·Granted Oct 18, 2005·2 cites·25 claims
- 3046US9407166B2Inverter deviceHITACHI LTD·Filed 2014·Granted Aug 2, 2016·0 cites·8 claims
- 3144US6972627B2High frequency power amplifier moduleRENESAS TECH CORP·Filed 2003·Granted Dec 6, 2005·1 cites·17 claims
- 3243US6842076B2Radio frequency power amplifier moduleRENESAS TECH CORP·Filed 2004·Granted Jan 11, 2005·0 cites·21 claims
- 3342US6741135B2Radio frequency power amplifier moduleRENESAS TECH CORP·Filed 2002·Granted May 25, 2004·0 cites·7 claims
- 3442US2010301947A1Rf power amplifierRENESAS TECH CORP·Filed 2010·Application pending·0 cites
- 3537US2003060172A1Radio frequency moduleFiled 2002·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →