Hiroharu Kato

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Koganehara, Matsudo-shi, Chiba-ken, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method for analyzing friction reduction effects of bubbles in frict...
- Patent number 6,324,480
- Issue date Nov 27, 2001
- Ishikawajima-Harima Heavy Industries Co., Ltd.
- Yoshiaki Takahashi
- B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
Information Patent Grant
Method for reducing frictional resistance of hull, frictional resis...
- Patent number 6,186,085
- Issue date Feb 13, 2001
- Ishikawajima-Harima Heavy Industries Co., Ltd.
- Hiroharu Kato
- B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
Information Patent Grant
Generation of bubbles for friction-reducing ship and method for red...
- Patent number 6,092,480
- Issue date Jul 25, 2000
- Ishikawajima-Harima Heavy Industries Co., Ltd.
- Yoshiaki Takahashi
- B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
Information Patent Grant
Method for analyzing bubble jet from a ship
- Patent number 6,026,758
- Issue date Feb 22, 2000
- Ishikawajima-Harima Heavy Industries Co., Ltd.
- Yoshiaki Takahashi
- B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
Information Patent Grant
Method and device for reducing friction on a navigating vehicle
- Patent number 5,575,232
- Issue date Nov 19, 1996
- Kato; Hiroharu
- Hiroharu Kato
- B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT