Inventor
OHNISHI MASAMI
JP31 patents
⚠️ This page may combine multiple inventors who share the name “OHNISHI MASAMI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
RENESAS TECH CORP
18 patentsUS6943624B2Sep 13, 2005
Radio frequency power amplifier
RENESAS TECH CORP61 citations96
US6674323B2Jan 6, 2004
High frequency power amplifier, high frequency power amplifier module, and portable telephone
RENESAS TECH CORP40 citations93
US7756494B2Jul 13, 2010
RF power amplifier
RENESAS TECH CORP44 citations92
US7589588B2Sep 15, 2009
High-frequency power amplifier and radio communication equipment using the same
RENESAS TECH CORP15 citations84
US7482875B2Jan 27, 2009
High frequency power amplifier
RENESAS TECH CORP11 citations84
US7102427B2Sep 5, 2006
Amplifier and radio frequency power amplifier using the same
RENESAS TECH CORP17 citations84
US6949974B2Sep 27, 2005
Radio frequency power amplifier
RENESAS TECH CORP12 citations84
US7408405B2Aug 5, 2008
High-frequency power amplifier module
RENESAS TECH CORP8 citations74
US7248118B2Jul 24, 2007
Radio frequency power amplifier module
RENESAS TECH CORP9 citations74
US7132892B2Nov 7, 2006
Radio frequency power amplifier module
RENESAS TECH CORP5 citations74
US6943387B2Sep 13, 2005
Semiconductor device, manufacturing thereof and power amplifier module
RENESAS TECH CORP7 citations74
US7368996B2May 6, 2008
High frequency power amplifier
RENESAS TECH CORP6 citations63
US7123087B2Oct 17, 2006
Radio frequency power amplifier
RENESAS TECH CORP4 citations63
US6956438B2Oct 18, 2005
Radio frequency power amplifier module
RENESAS TECH CORP2 citations63
US7221228B2May 22, 2007
Radio frequency power amplifier module
RENESAS TECH CORP0 citations52
US6972627B2Dec 6, 2005
High frequency power amplifier module
RENESAS TECH CORP1 citations52
US6842076B2Jan 11, 2005
Radio frequency power amplifier module
RENESAS TECH CORP0 citations52
US6741135B2May 25, 2004
Radio frequency power amplifier module
RENESAS TECH CORP0 citations52
HITACHI LTD
7 patentsUS6396349B2May 28, 2002
Traveling wave power combiner and radio base station
HITACHI LTD18 citations93
US5559524ASep 24, 1996
Antenna system including a plurality of meander conductors for a portable radio apparatus
HITACHI LTD48 citations93
US5298910AMar 29, 1994
Antenna for radio apparatus
HITACHI LTD36 citations93
US6566956B2May 20, 2003
High frequency power amplifier
HITACHI LTD50 citations91
US5274341ADec 28, 1993
High-frequency power amplifier
HITACHI LTD84 citations91
US6236272B1May 22, 2001
Traveling wave power combiner and radio base station
HITACHI LTD15 citations84
US9407166B2Aug 2, 2016
Inverter device
HITACHI LTD0 citations42