Inventor
AKAMINE HITOSHI
JP36 patents
⚠️ This page may combine multiple inventors who share the name “AKAMINE HITOSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
RENESAS TECH CORP
16 patentsUS6765268B2Jul 20, 2004
Multiple transistors having a common gate pad between first group of drains and second group of drains
RENESAS TECH CORP51 citations96
US7352244B2Apr 1, 2008
Electronics parts for high frequency power amplifier
RENESAS TECH CORP15 citations92
US6992528B2Jan 31, 2006
Semiconductor device
RENESAS TECH CORP14 citations92
US6989600B2Jan 24, 2006
Integrated circuit device having reduced substrate size and a method for manufacturing the same
RENESAS TECH CORP45 citations92
US6919762B2Jul 19, 2005
High frequency power amplifier electric parts and radio telecommunication system
RENESAS TECH CORP22 citations92
US6900694B2May 31, 2005
High frequency power amplifier module and wireless communication apparatus
RENESAS TECH CORP34 citations92
US7139538B2Nov 21, 2006
Electronic component for amplifying high frequency power and radio communication system
RENESAS TECH CORP25 citations90
US7395036B2Jul 1, 2008
Semiconductor integrated circuit for high frequency power amplifier and electric components with the semiconductor integrated circuit
RENESAS TECH CORP14 citations84
US7271662B2Sep 18, 2007
High frequency power amplifier circuit and electric component for high frequency power amplifier
RENESAS TECH CORP18 citations84
US7050769B2May 23, 2006
Electronic apparatus and design method
RENESAS TECH CORP16 citations84
US7439622B2Oct 21, 2008
Semiconductor device
RENESAS TECH CORP5 citations74
US7141876B2Nov 28, 2006
Semiconductor device
RENESAS TECH CORP8 citations74
US7595694B2Sep 29, 2009
Electronics parts for high frequency power amplifier
RENESAS TECH CORP6 citations73
US6731167B2May 4, 2004
High frequency power amplifier module and wireless communication apparatus
RENESAS TECH CORP3 citations63
US7650133B2Jan 19, 2010
Semiconductor integrated circuit device and high frequency power amplifier module
RENESAS TECH CORP6 citations62
US6972627B2Dec 6, 2005
High frequency power amplifier module
RENESAS TECH CORP1 citations52
HITACHI LTD
8 patentsUS6605999B2Aug 12, 2003
High-frequency power amplifier, wireless communication apparatus and wireless communication system
HITACHI LTD57 citations96
US6483398B2Nov 19, 2002
Directional coupler, high frequency circuit module and wireless communication system
HITACHI LTD77 citations96
US6433639B1Aug 13, 2002
High frequency power amplifier module and wireless communication system
HITACHI LTD40 citations96
US6617927B2Sep 9, 2003
High frequency power amplifier module, and wireless communications system
HITACHI LTD20 citations92
US6329879B1Dec 11, 2001
High frequency power amplifier system and wireless communication system
HITACHI LTD45 citations92
US5075803ADec 24, 1991
Signal discriminating device for vtr having expanded dynamic range
HITACHI LTD11 citations73
US6658243B2Dec 2, 2003
High frequency power amplifying apparatus having amplifying stages with gain control signals of lower amplitudes applied to earlier preceding stages
HITACHI LTD7 citations71
US6463267B1Oct 8, 2002
High frequency power amplifying apparatus having amplifying stages with gain control signals of lower amplitudes applied to earlier preceding stages
HITACHI LTD13 citations71
MURATA MANUFACTURING CO
4 patentsUS11626899B2Apr 11, 2023
Radio-frequency signal sending/receiving circuit and radio-frequency signal sending/receiving device
MURATA MANUFACTURING CO0 citations63
US11050455B2Jun 29, 2021
Radio-frequency signal sending/receiving circuit and radio-frequency signal sending/receiving device
MURATA MANUFACTURING CO0 citations63
US12294338B2May 6, 2025
Output matching circuit and power amplifier circuit
MURATA MANUFACTURING CO0 citations62
US12407304B2Sep 2, 2025
Power amplifier module
MURATA MANUFACTURING CO0 citations52