Isao Okamoto

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Musashino, JP

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Patents Grantslast 30 patents

Information Patent Grant
Wheelset steering apparatus and method for the truck of railway veh...
- Patent number 4,802,418
- Issue date Feb 7, 1989
- Hitachi, Ltd.
- Isao Okamoto
- B61 - RAILWAYS
Information Patent Grant
Truck for railway vehicle
- Patent number 4,776,283
- Issue date Oct 11, 1988
- Hitachi, Ltd.
- Takao Shozi
- B61 - RAILWAYS
Information Patent Grant
Vibration control apparatus for vehicles
- Patent number 4,746,143
- Issue date May 24, 1988
- Japanese National Railways
- Isao Okamoto
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Apparatus for controlling vibration of vehicle
- Patent number 4,715,289
- Issue date Dec 29, 1987
- Japan National Railway
- Isao Okamoto
- B61 - RAILWAYS