Shinichiroo Ishikawa

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Tokuyama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Rolling stock ventilator and its control method
- Patent number 5,439,415
- Issue date Aug 8, 1995
- Hitachi, Ltd.
- Haruo Hirikawa
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Methods and apparatus for ventilating carriages
- Patent number 5,263,894
- Issue date Nov 23, 1993
- Hitachi, Ltd.
- Haruo Hirakawa
- B61 - RAILWAYS