Inventor
TASHIRO KOREFUMI
24 patents
Patents
24 patentsUS5487516AJan 30, 1996
Train control system
HITACHI LTD147 citations97
US6092217AJul 18, 2000
Logic circuit having error detection function, redundant resource management method and fault tolerant system using it
HITACHI LTD49 citations96
US5805797ASep 8, 1998
Controller having a fail safe function, automatic train controller and system using the same
HITACHI LTD63 citations96
US6604031B2Aug 5, 2003
Train detection system and a train detection method
HITACHI LTD25 citations92
US6513131B1Jan 28, 2003
Logic circuit having error detection function, redundant resource management method, and fault tolerant system using it
HITACHI LTD18 citations92
US5802266ASep 1, 1998
Logic circuit having error detection function, redundant resource management method, and fault tolerant system using it
HITACHI LTD41 citations92
US5422965AJun 6, 1995
Air bag operation device
HITACHI LTD24 citations92
US5346163ASep 13, 1994
Power supply regulation system for a railway
HITACHI LTD55 citations91
US6230086B1May 8, 2001
Railway information transmission method and system
HITACHI LTD16 citations84
US6829526B2Dec 7, 2004
Train detection system and a train detection method cross reference to related application
HITACHI LTD10 citations82
US6317664B2Nov 13, 2001
Train detection system and a train detection method
HITACHI LTD12 citations82
US6230085B1May 8, 2001
Train detection system and a train detection method
HITACHI LTD13 citations82
US4099111AJul 4, 1978
Control apparatus for DC motor
HITACHI LTD27 citations82
US4596013AJun 17, 1986
Data transmission network
HITACHI LTD22 citations81
US7200470B2Apr 3, 2007
Train detection system and a train detection method
HITACHI LTD8 citations74
US7027901B2Apr 11, 2006
Transmitter and receiver device for train detection
HITACHI LTD4 citations74
US6470244B2Oct 22, 2002
Train detection system
HITACHI LTD9 citations74
US6374165B2Apr 16, 2002
Railway information transmission method and system
HITACHI LTD9 citations74
US4618930AOct 21, 1986
Automatic train control apparatus
HITACHI LTD17 citations74
US4651317AMar 17, 1987
Time division multiplex data transmission system
HITACHI LTD14 citations73
US4133018AJan 2, 1979
Thyristor fault-detecting apparatus
HITACHI LTD16 citations73
US4564774AJan 14, 1986
Binary logic device having input and output alternating signals
HITACHI LTD3 citations63
US4007414AFeb 8, 1977
Current transducer arrangement
HITACHI LTD5 citations62
US4041324AAug 9, 1977
Magnetic shield system for electric cars
HITACHI LTD6 citations54