Kazuki Houzan

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Kanagawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Welding transformer and welding transformer assembly and welding ap...
- Patent number 9,202,622
- Issue date Dec 1, 2015
- KOYO GIKEN INC.
- Koji Kai
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
A WELDING TRANSFORMER
- Publication number 20220293325
- Publication date Sep 15, 2022
- KOYO GIKEN INC.
- Kouji KAI
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
WELDING TRANSFORMER AND WELDING TRANSFORMER ASSEMBLY AND WELDING AP...
- Publication number 20140360994
- Publication date Dec 11, 2014
- KOYO GIKEN INC.
- Koji Kai
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR