Inventor
KOIZUMI HARUHIKO
JP13 patents
⚠️ This page may combine multiple inventors who share the name “KOIZUMI HARUHIKO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
PANASONIC CORP
6 patentsUS7733187B2Jun 8, 2010
High frequency power amplifier
PANASONIC CORP30 citations92
US8692619B2Apr 8, 2014
High frequency power amplifier
PANASONIC CORP26 citations90
US7990221B2Aug 2, 2011
Detector circuit and system for a wireless communication
PANASONIC CORP8 citations83
US7449957B2Nov 11, 2008
Radio frequency power amplifier
PANASONIC CORP7 citations68
US7679438B2Mar 16, 2010
High frequency circuit, semiconductor device, and high frequency power amplification device
PANASONIC CORP6 citations62
US7692491B2Apr 6, 2010
Radio-frequency power amplifier
PANASONIC CORP6 citations61
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD
5 patentsUS7439808B2Oct 21, 2008
High-frequency power amplifier
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD22 citations88
US7421255B2Sep 2, 2008
Transmission apparatus and mobile communication terminal apparatus
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD9 citations83
US6671505B1Dec 30, 2003
Frequency converter
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD16 citations83
US7245182B2Jul 17, 2007
High frequency amplifier circuit
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD5 citations62
US6871058B2Mar 22, 2005
Frequency conversion circuit
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD5 citations62