Inventor
OBARA TOSHIO
JP17 patents
⚠️ This page may combine multiple inventors who share the name “OBARA TOSHIO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD
10 patentsUS7171185B2Jan 30, 2007
Direct conversion receiver and DC offset reducing method
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD56 citations92
US6639471B2Oct 28, 2003
Power amplifier circuit, control method for power amplifier circuit, and portable terminal apparatus for mobile communication
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD54 citations92
US6463264B1Oct 8, 2002
Wireless communication apparatus and transmission power control method in wireless communication apparatus
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD37 citations92
US6304749B1Oct 16, 2001
Radio equipment and transmit power controlling method for the same
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD44 citations92
US7221963B2May 22, 2007
Antenna selection diversity apparatus and reception method
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD20 citations88
US6329875B1Dec 11, 2001
Power amplifier, power control method for power amplifier, and communication equipment
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD17 citations84
US6526266B1Feb 25, 2003
Transmission electric power control device and control method
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD15 citations83
US5987309ANov 16, 1999
Transceiver circuits for TDMA system with variable frequency second local oscillator
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD19 citations83
US6807237B1Oct 19, 2004
Radio apparatus and transmission/reception method
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD10 citations73
US7079817B2Jul 18, 2006
Radio communication device that meets a plurality of frequency bands
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD3 citations63
HODOGAYA CHEMICAL CO LTD
5 patentsUS4749796AJun 7, 1988
Xanthene derivative and a production process of the same
HODOGAYA CHEMICAL CO LTD11 citations71
US4482905ANov 13, 1984
Heat sensitive record material
HODOGAYA CHEMICAL CO LTD7 citations69
US4364999ADec 21, 1982
Heat sensitive record sheet
HODOGAYA CHEMICAL CO LTD4 citations62
US4977249ADec 11, 1990
Metal of hydroxy-phenylaze and hydroxy-naphthylazo compounds as near-red absorbers
HODOGAYA CHEMICAL CO LTD2 citations57
US4594601AJun 10, 1986
Fluoran compounds
HODOGAYA CHEMICAL CO LTD0 citations51