Hiroshi Koshi

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Osaka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method for cutting mother rod lens
- Patent number 6,796,145
- Issue date Sep 28, 2004
- Nippon Sheet Glass Co., Ltd.
- Hiroshi Koshi
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Method, jig, and apparatus for machining rod lenses
- Patent number 6,634,933
- Issue date Oct 21, 2003
- Nippon Sheet Glass Co., Ltd.
- Hiroshi Koshi
- B24 - GRINDING POLISHING

Patents Applicationslast 30 patents

Information Patent Application
Method, jig, and apparatus for machining rod lenses
- Publication number 20020098781
- Publication date Jul 25, 2002
- Hiroshi Koshi
- B24 - GRINDING POLISHING
Information Patent Application
Method for cutting mother rod lens and lens block for supporting mo...
- Publication number 20020078806
- Publication date Jun 27, 2002
- Hiroshi Koshi
- B28 - WORKING CEMENT, CLAY, OR STONE