Ei Tsukahara

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Shizuoka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Four-cylinder engine and method of operating four-cylinder engine
- Patent number 10,054,061
- Issue date Aug 21, 2018
- Yamaha Hatsudoki Kabushiki Kaisha
- Ei Tsukahara
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Six-stroke engine and method of operating six-stroke engine
- Patent number 9,945,296
- Issue date Apr 17, 2018
- Yamaha Hatsudoki Kabushiki Kaisha
- Ei Tsukahara
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Six-stroke cycle engine having scavenging stroke
- Patent number 9,284,892
- Issue date Mar 15, 2016
- Yamaha Hatsudoki Kabushiki Kaisha
- Ei Tsukahara
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Six-stroke cycle engine having scavenging stroke
- Patent number 9,284,883
- Issue date Mar 15, 2016
- Yamaha Hatsudoki Kabushiki Kaisha
- Ei Tsukahara
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Six-stroke engine
- Patent number 9,010,288
- Issue date Apr 21, 2015
- Yamaha Hatsudoki Kabushiki Kaisha
- Ei Tsukahara
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...

Patents Applicationslast 30 patents

Information Patent Application
FOUR-CYLINDER ENGINE AND METHOD OF OPERATING FOUR-CYLINDER ENGINE
- Publication number 20160333801
- Publication date Nov 17, 2016
- YAMAHA HATSUDOKI KABUSHIKI KAISHA
- Ei TSUKAHARA
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
SIX-STROKE ENGINE AND METHOD OF OPERATING SIX-STROKE ENGINE
- Publication number 20160169125
- Publication date Jun 16, 2016
- YAMAHA HATSUDOKI KABUSHIKI KAISHA
- Ei Tsukahara
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
SIX-STROKE CYCLE ENGINE HAVING SCAVENGING STROKE
- Publication number 20150040847
- Publication date Feb 12, 2015
- YAMAHA HATSUDOKI KABUSHIKI KAISHA
- Ei Tsukahara
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
SIX-STROKE CYCLE ENGINE HAVING SCAVENGING STROKE
- Publication number 20140366819
- Publication date Dec 18, 2014
- Ei Tsukahara
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
SIX-STROKE ENGINE
- Publication number 20140224195
- Publication date Aug 14, 2014
- YAMAHA HATSUDOKI KABUSHIKI KAISHA
- Ei Tsukahara
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS