Yohei Takechi

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Hirakata-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Optical component unit, laser joining method and apparatus for join...
- Patent number 7,411,748
- Issue date Aug 12, 2008
- Matsushita Electric Industrial Co., Ltd.
- Seiji Kumazawa
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
Optical component unit, laser joining method and apparatus for join...
- Publication number 20060043622
- Publication date Mar 2, 2006
- Seiji Kumazawa
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR