Shigeru Nakayama

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Chiba, JP

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Patents Grantslast 30 patents

Information Patent Grant
Constricting nozzle and TIG welding torch using this nozzle
- Patent number 9,597,745
- Issue date Mar 21, 2017
- Akihisa Murata
- Akihisa Murata
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
CONSTRICTING NOZZLE AND TIG WELDING TORCH USING THIS NOZZLE
- Publication number 20130277337
- Publication date Oct 24, 2013
- Akihisa Murata
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR