Kazuya MATSUMOTO

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Buzen-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Aluminum alloy propeller shaft and friction welding process thereof
- Patent number 9,364,918
- Issue date Jun 14, 2016
- Hitachi Automotive Systems Kyushu, Ltd.
- Keigo Yoshida
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Aluminum alloy propeller shaft and friction welding process thereof
- Patent number 9,005,039
- Issue date Apr 14, 2015
- Hitachi Automotive Systems Kyushu, Ltd.
- Keigo Yoshida
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
Aluminum Alloy Propeller Shaft and Friction Welding Process Thereof
- Publication number 20150174696
- Publication date Jun 25, 2015
- HITACHI AUTOMOTIVE SYSTEMS KYUSHU, LTD.
- Keigo YOSHIDA
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
Aluminum Alloy Propeller Shaft and Friction Welding Process Thereof
- Publication number 20140018178
- Publication date Jan 16, 2014
- Hitachi Automotive Systems Kyushu, Ltd.
- Keigo YOSHIDA
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR