Yoichi Sugita

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Patents Grantslast 30 patents

Information Patent Grant
Railway signalling system and on-board signalling system
- Patent number 8,924,050
- Issue date Dec 30, 2014
- Hitachi, Ltd.
- Keiichi Katsuta
- B61 - RAILWAYS
Information Patent Grant
Signaling system
- Patent number 8,548,654
- Issue date Oct 1, 2013
- Hitachi, Ltd.
- Keiichi Katsuta
- B61 - RAILWAYS
Information Patent Grant
Signaling system
- Patent number 7,756,613
- Issue date Jul 13, 2010
- Hitachi, Ltd.
- Keiichi Katsuta
- B61 - RAILWAYS
Information Patent Grant
Signaling safety system
- Patent number 7,201,350
- Issue date Apr 10, 2007
- Hitachi, Ltd.
- Yoichi Sugita
- B61 - RAILWAYS
Information Patent Grant
Signal safety method, signal safety apparatus and signal safety system
- Patent number 7,099,754
- Issue date Aug 29, 2006
- Hitachi, Ltd.
- Yoichi Sugita
- B61 - RAILWAYS
Information Patent Grant
Train control method and apparatus
- Patent number 6,732,023
- Issue date May 4, 2004
- Hitachi, Ltd.
- Yoichi Sugita
- B61 - RAILWAYS

Patents Applicationslast 30 patents

Information Patent Application
RAILWAY SIGNALLING SYSTEM AND ON-BOARD SIGNALLING SYSTEM
- Publication number 20130024054
- Publication date Jan 24, 2013
- Hitachi, Ltd.
- Keiichi KATSUTA
- B61 - RAILWAYS
Information Patent Application
Signaling system
- Publication number 20070162199
- Publication date Jul 12, 2007
- HITACHI, LTD.
- Keiichi Katsuta
- B61 - RAILWAYS
Information Patent Application
Signaling system
- Publication number 20060195236
- Publication date Aug 31, 2006
- HITACHI, LTD.
- Keiichi Katsuta
- B61 - RAILWAYS
Information Patent Application
Signaling safety system
- Publication number 20050133673
- Publication date Jun 23, 2005
- Hitachi, Ltd
- Yoichi Sugita
- B61 - RAILWAYS
Information Patent Application
Signal safety method, signal safety apparatus and signal safety system
- Publication number 20040193336
- Publication date Sep 30, 2004
- Yoichi Sugita
- B61 - RAILWAYS
Information Patent Application
TRAIN CONTROL METHOD AND APPARATUS
- Publication number 20030105560
- Publication date Jun 5, 2003
- Yoichi Sugita
- B61 - RAILWAYS