Hiroyuki Tsunekawa

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Shizuoka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Propeller unit for marine vessel propulsion device and marine vesse...
- Patent number 8,419,489
- Issue date Apr 16, 2013
- Yamaha Hatsudoki Kabushiki Kaisha
- Hiroyuki Tsunekawa
- B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
Information Patent Grant
Boat propulsion system
- Patent number 8,087,958
- Issue date Jan 3, 2012
- Yamaha Hatsudoki Kabushiki Kaisha
- Kenji Yukishima
- B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
Information Patent Grant
Fuel system for outboard motor
- Patent number 7,568,470
- Issue date Aug 4, 2009
- Yamaha Hatsudoki Kabushiki Kaisha
- Hidemasa Kamito
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Exhaust system for outboard motor
- Patent number 6,921,307
- Issue date Jul 26, 2005
- Yamaha Marine Kabushiki Kaisha
- Yukinori Kashima
- B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
Information Patent Grant
Air induction system for engine
- Patent number 6,588,388
- Issue date Jul 8, 2003
- Yamaha Marine Kabushiki Kaisha
- Hitoshi Watanabe
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Exhaust arrangement for outboard motor
- Patent number 6,409,557
- Issue date Jun 25, 2002
- Sanshin Kogyo Kabushiki Kaisha
- Hiroyuki Tsunekawa
- B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT

Patents Applicationslast 30 patents

Information Patent Application
PROPELLER UNIT FOR MARINE VESSEL PROPULSION DEVICE AND MARINE VESSE...
- Publication number 20110212657
- Publication date Sep 1, 2011
- YAMAHA HATSUDOKI KABUSHIKI KAISHA
- Hiroyuki TSUNEKAWA
- B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
Information Patent Application
BOAT PROPULSION SYSTEM
- Publication number 20090209147
- Publication date Aug 20, 2009
- YAMAHA HATSUDOKI KABUSHIKI KAISHA
- Kenji YUKISHIMA
- B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
Information Patent Application
FUEL SYSTEM FOR OUTBOARD MOTOR
- Publication number 20070240686
- Publication date Oct 18, 2007
- YAMAHA MARINE KABUSHIKI KAISHA
- Hidemasa Kamito
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
FUEL SYSTEM FOR OUTBOARD MOTOR
- Publication number 20070243778
- Publication date Oct 18, 2007
- YAMAHA MARINE KABUSHIKI KAISHA
- Hidemasa Kamito
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
Exhaust system for outboard motor
- Publication number 20040203299
- Publication date Oct 14, 2004
- Yukinori Kashima
- B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
Information Patent Application
Air induction system for engine
- Publication number 20020073949
- Publication date Jun 20, 2002
- Hitoshi Watanabe
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS