Koji Iwai

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Sakaishi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Water-cooling system for a water-cooled horizontal cylinder engine
- Patent number 5,007,383
- Issue date Apr 16, 1991
- Kubota Limited
- Ryoichi Ito
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Air-cooled type cooling system for engine working machine assembly
- Patent number 4,907,546
- Issue date Mar 13, 1990
- Kubota Ltd.
- Akira Ishii
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Water-cooling system for a water-cooled horizontal cylinder engine
- Patent number 4,883,024
- Issue date Nov 28, 1989
- Kubota Limited
- Ryoichi Ito
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES