Inventor
SHIRAI KENJI
JP40 patents
⚠️ This page may combine multiple inventors who share the name “SHIRAI KENJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TOYOTA MOTOR CO LTD
20 patentsUS6270172B1Aug 7, 2001
Electrically operated braking system having a device for operating electric motor of brake to obtain relationship between motor power and braking torque
TOYOTA MOTOR CO LTD83 citations97
US6158822ADec 12, 2000
Method and apparatus for diagnosing electrically operated brake without manual operation of brake operating member
TOYOTA MOTOR CO LTD120 citations97
US6139117AOct 31, 2000
Electrically operated parking brake apparatus having braking force changing device operable while drive power source switch is off
TOYOTA MOTOR CO LTD93 citations97
US6425643B2Jul 30, 2002
Electrically operated braking system having a device for operating electric motor of brake to obtain relationship between motor power and braking torque
TOYOTA MOTOR CO LTD74 citations96
US4812777AMar 14, 1989
Manually/electrically operated brake system
TOYOTA MOTOR CO LTD102 citations96
US6138801AOct 31, 2000
Electrically operated brake including two electric motors connected to planetary gear device, and braking system including such brake or brakes
TOYOTA MOTOR CO LTD60 citations95
US6305506B1Oct 23, 2001
Braking system including motor-driven disc brake equipped with self-servo mechanism
TOYOTA MOTOR CO LTD90 citations94
US6199670B1Mar 13, 2001
Electric brake apparatus for controlling a current provided to a brake motor
TOYOTA MOTOR CO LTD39 citations92
US6186599B1Feb 13, 2001
Electric brake apparatus having a brake motor prevented from being excessively moved in a reverse direction
TOYOTA MOTOR CO LTD28 citations92
US5658057AAug 19, 1997
Hydraulic braking apparatus having hydraulic pressure control valve and electrically controlled device to control the pressure control valve
TOYOTA MOTOR CO LTD27 citations92
US4333550AJun 8, 1982
Brake shoe and support structure for a disc brake
TOYOTA MOTOR CO LTD54 citations92
US4289216ASep 15, 1981
Disc brake
TOYOTA MOTOR CO LTD37 citations92
US6040665AMar 21, 2000
Electric brake device
TOYOTA MOTOR CO LTD42 citations91
US4773224ASep 27, 1988
Portless type master cylinder device with non return valve and restricted passage in parallel between pressure chamber and fluid reservoir
TOYOTA MOTOR CO LTD31 citations88
US5333944AAug 2, 1994
Electrically controlled vehicle brake system having means for controlling braking based on detected actual braking effect and determined target value
TOYOTA MOTOR CO LTD38 citations87
US6412885B1Jul 2, 2002
Brake system for vehicles
TOYOTA MOTOR CO LTD13 citations74
US4876853AOct 31, 1989
Tandem master cylinder with booster piston at pedal-remote end of master cylinder and with booster-pressure responsive reservoir valve for forward brake circuit
TOYOTA MOTOR CO LTD16 citations74
US4299311ANov 10, 1981
Disc brake
TOYOTA MOTOR CO LTD17 citations74
US4421362ADec 20, 1983
Anti-skid brake control system for wheeled vehicles
TOYOTA MOTOR CO LTD18 citations73
US4800724AJan 31, 1989
Brake booster device providing pressure to both pressure chambers of tandem brake master cylinder device
TOYOTA MOTOR CO LTD3 citations54
AISIN SEIKI
6 patentsUS4736768AApr 12, 1988
Relief valve of hydraulic devices
AISIN SEIKI24 citations82
US4986613AJan 22, 1991
Hydraulic braking system for an automotive vehicle
AISIN SEIKI12 citations73
US4887869ADec 19, 1989
Hydraulic braking system
AISIN SEIKI10 citations73
US4848853AJul 18, 1989
Hydraulic brake system
AISIN SEIKI11 citations73
US5052182AOct 1, 1991
Hydraulic brake booster system with check valve in brake fluid reservoir line
AISIN SEIKI2 citations62
US5027599AJul 2, 1991
Hydraulic braking system
AISIN SEIKI5 citations60
INAX CORP
2 patentsMATSUSHITA ELECTRIC INDUSTRIAL CO LTD
2 patentsKASHIMA KEIJI
2 patentsUS8064136B2Nov 22, 2011
Optical functional film, retardation film, composition for forming optical functional layer and producing method of optical functional film
KASHIMA KEIJI4 citations59
US8124198B2Feb 28, 2012
Retardation film and method for producing the same, optical functional film, polarizing film, and display device
KASHIMA KEIJI2 citations58