Kentaro Ohkubo

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Hitachinaka-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Train detector and train security device for dual gauge track circuit
- Patent number 8,505,855
- Issue date Aug 13, 2013
- Hitachi, Ltd.
- Kenji Kikuchi
- B61 - RAILWAYS

Patents Applicationslast 30 patents

Information Patent Application
TRAIN DETECTOR AND TRAIN SECURITY DEVICE FOR DUAL GAUGE TRACK CIRCUIT
- Publication number 20110174934
- Publication date Jul 21, 2011
- Hitachi, Ltd.
- Kenji KIKUCHI
- B61 - RAILWAYS