Yoshiyuki Katayama

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Osaka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Pivotal movement control device for boom-equipped working machine
- Patent number 5,088,020
- Issue date Feb 11, 1992
- Kubota Ltd.
- Tetsuya Nishida
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Work-vehicle with rolling-control mechanism
- Patent number 4,553,605
- Issue date Nov 19, 1985
- Kubota, Ltd.
- Yoshiyuki Katayama
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Grant
Tractor with a traction load sensing device
- Patent number 4,315,548
- Issue date Feb 16, 1982
- Kubota, Ltd.
- Norimi Nakamura
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Grant
Automatic position control apparatus for ground working vehicle
- Patent number 4,300,638
- Issue date Nov 17, 1981
- Kubota, Ltd.
- Yoshiyuki Katayama
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING