Inventor
KOKUBU SADAO
JP49 patents
⚠️ This page may combine multiple inventors who share the name “KOKUBU SADAO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TOKAI RIKA CO LTD
44 patentsUS5710421AJan 20, 1998
IC card
TOKAI RIKA CO LTD204 citations99
US6366276B1Apr 2, 2002
Touch operation signal output device
TOKAI RIKA CO LTD67 citations96
US5801614ASep 1, 1998
Vehicle starting control device
TOKAI RIKA CO LTD66 citations96
US5656867AAug 12, 1997
Vehicular starting control device using an ID code to control ignition switch rotation and steering lock operation
TOKAI RIKA CO LTD86 citations96
US5500637AMar 19, 1996
Abnormal condition signal transmitting device for a rotating body
TOKAI RIKA CO LTD54 citations96
US4844138AJul 4, 1989
Automobile tire pneumatic pressure controlling apparatus
TOKAI RIKA CO LTD106 citations96
US4829192AMay 9, 1989
Photo-coupler with delay function using a fluorescent substance as the delay means
TOKAI RIKA CO LTD52 citations96
US6269292B1Jul 31, 2001
Data carrier system
TOKAI RIKA CO LTD47 citations93
US6260651B1Jul 17, 2001
Keyless vehicle starter control device
TOKAI RIKA CO LTD46 citations93
US5886421AMar 23, 1999
Vehicle start-up permission device and identification code registering method
TOKAI RIKA CO LTD41 citations93
US5864302AJan 26, 1999
Transmitting and receiving system
TOKAI RIKA CO LTD19 citations93
US5823028AOct 20, 1998
Cylinder lock and key device
TOKAI RIKA CO LTD31 citations93
US5774043AJun 30, 1998
Vehicular antitheft apparatus using an identification code transmitted from a key to allow engine starting
TOKAI RIKA CO LTD39 citations93
US5745026AApr 28, 1998
Vehicular communication system using an ignition key
TOKAI RIKA CO LTD28 citations93
US5727408AMar 17, 1998
Signal processing device with magnetism antenna and key device with the signal processing device
TOKAI RIKA CO LTD21 citations93
US5555863ASep 17, 1996
Automobile engine starter
TOKAI RIKA CO LTD22 citations93
US5307658AMay 3, 1994
Key cylinder device
TOKAI RIKA CO LTD28 citations93
US4315117AFeb 9, 1982
Electrical switch device
TOKAI RIKA CO LTD73 citations91
US5838254ANov 17, 1998
Transmission-reception time correction system
TOKAI RIKA CO LTD18 citations84
US5138182AAug 11, 1992
Apparatus for controlling power window regulator
TOKAI RIKA CO LTD20 citations82
US4742712AMay 10, 1988
System for monitoring air pressure of motor vehicle
TOKAI RIKA CO LTD22 citations82
US5111010AMay 5, 1992
Switch device
TOKAI RIKA CO LTD21 citations81
US5844990ADec 1, 1998
Transmission-reception system
TOKAI RIKA CO LTD13 citations74
US5777570AJul 7, 1998
Transmit-receive system
TOKAI RIKA CO LTD10 citations74
US5483219AJan 9, 1996
Alarm signal generation device for a vehicle
TOKAI RIKA CO LTD13 citations74
US5309743AMay 10, 1994
Door unlocking device
TOKAI RIKA CO LTD15 citations74
US5128597AJul 7, 1992
Control apparatus for power window regulator
TOKAI RIKA CO LTD17 citations74
US5099091AMar 24, 1992
Three position multiple switch assembly with interlock
TOKAI RIKA CO LTD12 citations74
US5089715AFeb 18, 1992
Multiposition switch device for controlling a driving means
TOKAI RIKA CO LTD18 citations74
US4983794AJan 8, 1991
Snap action switching device
TOKAI RIKA CO LTD11 citations74
US4782256ANov 1, 1988
Electricity generator for wheel detection
TOKAI RIKA CO LTD13 citations74
US4753599AJun 28, 1988
Automotive steering assembly
TOKAI RIKA CO LTD9 citations74
US4564789AJan 14, 1986
Dimmer for use with vehicle
TOKAI RIKA CO LTD17 citations74
US4788474ANov 29, 1988
Dimmer apparatus
TOKAI RIKA CO LTD9 citations73
US4333325AJun 8, 1982
Steering shaft locking device
TOKAI RIKA CO LTD10 citations69
US6212450B1Apr 3, 2001
Data carrier system
TOKAI RIKA CO LTD4 citations63
US6075453AJun 13, 2000
Vehicular door lock control apparatus
TOKAI RIKA CO LTD6 citations63
US5097186AMar 17, 1992
Apparatus for controlling power window regulator
TOKAI RIKA CO LTD6 citations63
US4871909AOct 3, 1989
Optical switch device employing fluorescent substance in combination with a radioactive element as a light source
TOKAI RIKA CO LTD4 citations63
US4833540AMay 23, 1989
Image processing apparatus
TOKAI RIKA CO LTD4 citations63
US4691201ASep 1, 1987
Encoded signal device with self-contained clock generation
TOKAI RIKA CO LTD2 citations63
US4586397AMay 6, 1986
Steering wheel device
TOKAI RIKA CO LTD5 citations63
US4555743ANov 26, 1985
Timer circuit
TOKAI RIKA CO LTD5 citations61
US5612650AMar 18, 1997
Transmitting device for a frequency modulated digital transmission signal
TOKAI RIKA CO LTD0 citations52