Hiroshi Ishiwata

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Kanagawa-ken, JP

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Patents Grantslast 30 patents

Information Patent Grant
Small-hole electrical discharge machining device and multiple diesi...
- Patent number 7,202,439
- Issue date Apr 10, 2007
- Elenix, Inc.
- Hiroshi Ishiwata
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Small hole electric discharge machine drill provided with depth-spe...
- Patent number 6,806,435
- Issue date Oct 19, 2004
- Elenix, Inc.
- Hiroshi Ishiwata
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
Small-hole electrical discharge machining device and multiple diesi...
- Publication number 20040262266
- Publication date Dec 30, 2004
- Elenix, Inc.
- Hiroshi Ishiwata
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
Small hole electric discharge machine drill provided with depth-spe...
- Publication number 20020148814
- Publication date Oct 17, 2002
- ELENIX, INC.
- Hiroshi Ishiwata
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR