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Patents Grantslast 30 patents

Information Patent Grant
Circuit system for railroad vehicle
- Patent number 11,097,620
- Issue date Aug 24, 2021
- Kabushiki Kaisha Toshiba
- Kohei Yamamoto
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Over-voltage prevention device and current rectifying circuit
- Patent number 9,548,685
- Issue date Jan 17, 2017
- Kabushiki Kaisha Toshiba
- Ryuta Hasegawa
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

Information Patent Application
CIRCUIT SYSTEM FOR RAILROAD VEHICLE
- Publication number 20190299789
- Publication date Oct 3, 2019
- KABUSHIKI KAISHA TOSHIBA
- Kohei Yamamoto
- B60 - VEHICLES IN GENERAL
Information Patent Application
OVER-VOLTAGE PREVENTION DEVICE AND CURRENT RECTIFYING CIRCUIT
- Publication number 20150214870
- Publication date Jul 30, 2015
- KABUSHIKI KAISHA TOSHIBA
- Ryuta HASEGAWA
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER