Yukihiko Okamoto

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Kawasaki-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Ballast water treatment device and ballast water treatment method
- Patent number 10,669,173
- Issue date Jun 2, 2020
- JFE Engineering Corporation
- Shigeki Fujiwara
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Apparatus for treating ballast water and method for treating ballas...
- Patent number 7,776,224
- Issue date Aug 17, 2010
- JFE Engineering Corporation
- Yukihiko Okamoto
- B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
Information Patent Grant
Ship's rudder
- Patent number 5,231,947
- Issue date Aug 3, 1993
- NKK Corporation
- Yoshikazu Kasahara
- B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT

Patents Applicationslast 30 patents

Information Patent Application
BALLAST WATER TREATMENT DEVICE AND BALLAST WATER TREATMENT METHOD
- Publication number 20190202721
- Publication date Jul 4, 2019
- JFE Engineering Corporation
- Shigeki Fujiwara
- B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
Information Patent Application
Apparatus for treating ballast water and method for treating ballas...
- Publication number 20090127207
- Publication date May 21, 2009
- Yukihiko Okamoto
- B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT