Yoshio Hamamoto

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Kanagawa-Ken, JP

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Patents Grantslast 30 patents

Information Patent Grant
Underwater welding apparatus and underwater welding method
- Patent number 10,052,717
- Issue date Aug 21, 2018
- Kabushiki Kaisha Toshiba
- Tatsuya Ishigaki
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Reactor bottom repairing method
- Patent number 9,136,026
- Issue date Sep 15, 2015
- Kabushiki Kaisha Toshiba
- Yoshio Hamamoto
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Surface crack sealing method
- Patent number 8,378,256
- Issue date Feb 19, 2013
- Kabushiki Kaisha Toshiba
- Masataka Tamura
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
UNDERWATER WELDING APPARATUS AND UNDERWATER WELDING METHOD
- Publication number 20140231394
- Publication date Aug 21, 2014
- KABUSHIKI KAISHA TOSHIBA
- Tatsuya Ishigaki
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
REACTOR BOTTOM REPAIRING METHOD
- Publication number 20110274229
- Publication date Nov 10, 2011
- Kabushiki Kaisha Toshiba
- Yoshio Hamamoto
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
SURFACE CRACK SEALING METHOD
- Publication number 20100258540
- Publication date Oct 14, 2010
- KABUSHIKI KAISHA TOSHIBA
- Masataka Tamura
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR