Osamu TSUNEISHI

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Patents Grantslast 30 patents

Information Patent Grant
Hollow poppet valve
- Patent number 9,920,663
- Issue date Mar 20, 2018
- Nittan Valve Co., Ltd.
- Osamu Tsuneishi
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Hollow poppet valve
- Patent number 9,790,822
- Issue date Oct 17, 2017
- Nittan Valve Co., Ltd.
- Osamu Tsuneishi
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Hollow poppet valve
- Patent number 9,611,953
- Issue date Apr 4, 2017
- Nittan Valve Co., Ltd.
- Osamu Tsuneishi
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
HOLLOW POPPET VALVE
- Publication number 20160356186
- Publication date Dec 8, 2016
- NITTAN VALVE CO., LTD.
- Osamu Tsuneishi
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
HOLLOW POPPET VALVE
- Publication number 20160053641
- Publication date Feb 25, 2016
- NITTAN VALVE CO., LTD.
- Osamu TSUNEISHI
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
HOLLOW POPPET VALVE
- Publication number 20150354727
- Publication date Dec 10, 2015
- NITTAN VALVE CO., LTD.
- Osamu TSUNEISHI
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...