Kohji Hayakawa

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Nishinomiya, JP

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Patents Grantslast 30 patents

Information Patent Grant
Ship without transverse reinforcing members between the inner and o...
- Patent number 4,674,430
- Issue date Jun 23, 1987
- Hitachi Zosen Corporation
- Seiichiro Murata
- B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
Information Patent Grant
Ship without transverse reinforcing members between the inner and o...
- Patent number 4,573,422
- Issue date Mar 4, 1986
- Hitachi Zosen Corporation
- Seiichiro Murata
- B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT