Inventor
YAGUCHI OSAMU
JP11 patents
Patents
11 patentsUS5602448AFeb 11, 1997
Electric powered bicycle
RIKEN KK48 citations95
US5051672ASep 24, 1991
Automatic window/door system
RIKEN KK50 citations95
USRE37443ENov 13, 2001
Electric powered bicycle
RIKEN KK18 citations92
US5603388AFeb 18, 1997
Electric powered bicycle
RIKEN KK31 citations92
US5396118AMar 7, 1995
Pressure detector circuit
RIKEN KK20 citations92
US5166586ANov 24, 1992
Automatic window/door system
RIKEN KK24 citations92
US6190039B1Feb 20, 2001
Heated type sensor with auxiliary heater in bridge circuit for maintaining constant sensor temperature
RIKEN KK16 citations83
US4970446ANov 13, 1990
Motor-powered opening/closing apparatus for a window or door
RIKEN KK20 citations81
US5220634AJun 15, 1993
Control circuit for a dc motor
RIKEN KK16 citations66
US5537012AJul 16, 1996
DC motor control circuit and DC motor
RIKEN KK5 citations62
US6290828B1Sep 18, 2001
Circuit for measuring oxygen concentration
RIKEN KK1 citations51