Inventor
YAMAGUCHI SEIICHI
JP14 patents
⚠️ This page may combine multiple inventors who share the name “YAMAGUCHI SEIICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD
7 patentsUS6175746B1Jan 16, 2001
Multiband mobile unit communication apparatus
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD86 citations97
US5966666AOct 12, 1999
Multiple-band mobile transceiver having a smaller number of local oscillators
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD84 citations96
US5852784ADec 22, 1998
Multiband mobile unit communication apparatus
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD57 citations96
US6006080ADec 21, 1999
Receiving mixer circuit for mobile radio transceiver designed to operate with multiple modulation modes and multiple frequency bands
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD23 citations92
US6094564AJul 25, 2000
Mobile communication apparatus operable in different formats and pairing I-F band pass filter type with I-F amplifier characteristics
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD22 citations91
US6032032AFeb 29, 2000
Mobile radio communication apparatus
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD15 citations74
US6956432B2Oct 18, 2005
Transmission output correcting apparatus
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD2 citations58