K.K. Yokoyama Zosen Sekkei Jimusho

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Yokohama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus of automatically controlling sailboat
- Patent number 4,671,201
- Issue date Jun 9, 1987
- K.K. Yokoyama Zosen Sekkei Jimusho
- Akira Yokoyama
- B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT