Ryoji Negi

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Kobe-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Railcar
- Patent number 10,029,709
- Issue date Jul 24, 2018
- Kawasaki Jukogyo Kabushiki Kaisha
- Go Tateishi
- B61 - RAILWAYS
Information Patent Grant
Connection structure between main transformer and high-voltage devi...
- Patent number 9,831,644
- Issue date Nov 28, 2017
- Kawasaki Jukogyo Kabushiki Kaisha
- Hiroyuki Kawasaki
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Circuit breaking unit and railcar including the same
- Patent number 9,352,653
- Issue date May 31, 2016
- Kawasaki Jukogyo Kabushiki Kaisha
- Hiroyuki Kawasaki
- B60 - VEHICLES IN GENERAL
Information Patent Grant
High voltage device system of railcar and railcar
- Patent number 9,225,075
- Issue date Dec 29, 2015
- Kawasaki Jukogyo Kabushiki Kaisha
- Hiroyuki Kawasaki
- B60 - VEHICLES IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
RAILCAR
- Publication number 20160297452
- Publication date Oct 13, 2016
- KAWASAKI JUKOGYO KABUSHIKI KAISHA
- Go TATEISHI
- B61 - RAILWAYS
Information Patent Application
CONNECTION STRUCTURE BETWEEN MAIN TRANSFORMER AND HIGH-VOLTAGE DEVI...
- Publication number 20150171604
- Publication date Jun 18, 2015
- KAWASAKI JUKOGYO KABUSHIKI KAISHA
- Hiroyuki Kawasaki
- B61 - RAILWAYS
Information Patent Application
CIRCUIT BREAKING UNIT AND RAILCAR INCLUDING THE SAME
- Publication number 20140020999
- Publication date Jan 23, 2014
- SWCC SHOWA CABLE SYSTEMS CO., LTD.
- Hiroyuki Kawasaki
- B60 - VEHICLES IN GENERAL
Information Patent Application
HIGH VOLTAGE DEVICE SYSTEM OF RAILCAR AND RAILCAR
- Publication number 20140008169
- Publication date Jan 9, 2014
- SWCC SHOWA CABLE SYSTEMS CO., LTD.
- Hiroyuki Kawasaki
- B60 - VEHICLES IN GENERAL