Haruo OKAMOTO

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Shizuoka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Watercraft and exhaust structure of the watercraft
- Patent number 11,130,556
- Issue date Sep 28, 2021
- Yamaha Hatsudoki Kabushiki Kaisha
- Haruo Okamoto
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES

Patents Applicationslast 30 patents

Information Patent Application
WATERCRAFT AND EXHAUST STRUCTURE OF THE WATERCRAFT
- Publication number 20200255111
- Publication date Aug 13, 2020
- YAMAHA HATSUDOKI KABUSHIKI KAISHA
- Haruo OKAMOTO
- B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
Information Patent Application
WATERCRAFT AND EXHAUST STRUCTURE OF THE WATERCRAFT
- Publication number 20180029683
- Publication date Feb 1, 2018
- YAMAHA HATSUDOKI KABUSHIKI KAISHA
- Haruo OKAMOTO
- B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT