Ryogo Koba

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Working liquid ejector of wire electric discharge machine
- Patent number 7,078,645
- Issue date Jul 18, 2006
- Mitsubishi Denki Kabushiki Kaisha
- Hisashi Yamada
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Working-fluid storing device of electric discharge machining apparatus
- Patent number 6,914,186
- Issue date Jul 5, 2005
- Mitsubishi Denki Kabushiki Kaisha
- Ryogo Koba
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Wire electric discharge machining device
- Patent number 6,831,245
- Issue date Dec 14, 2004
- Mitsubishi Denki Kabushiki Kaisha
- Ryogo Koba
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
Working liquid ejector of wire electric discharge machine
- Publication number 20050072759
- Publication date Apr 7, 2005
- Hisashi Yamada
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
Working-fluid storing device of electric discharge machining apparatus
- Publication number 20040045732
- Publication date Mar 11, 2004
- Ryogo Koba
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR