Keiji Hatayama

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Yokohama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Turning control system for a hydro-mechanical transmission
- Patent number 4,519,275
- Issue date May 28, 1985
- Kabushiki Kaisha Komatsu Seisakusho
- Ryoichi Maruyama
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information Patent Grant
Automatic speed range change-over system for a hydro-mechanical tra...
- Patent number 4,519,274
- Issue date May 28, 1985
- Kabushiki Kaisha Komatsu Seisakusho
- Ryoichi Maruyama
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Engine speed control system for a hydro-mechanical transmission
- Patent number 4,497,223
- Issue date Feb 5, 1985
- Kabushiki Kaisha Komatsu Seisakusho
- Ryoichi Maruyama
- B60 - VEHICLES IN GENERAL