Takashi Numao

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Tochigi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method for cutting optical lens and/or molding die therefor
- Patent number 6,887,405
- Issue date May 3, 2005
- PENTAX Corporation
- Takashi Tohara
- B24 - GRINDING POLISHING

Patents Applicationslast 30 patents

Information Patent Application
Method for cutting optical lens and/or molding die therefor
- Publication number 20030034574
- Publication date Feb 20, 2003
- ASAHI KOGAKU KOGYO KABUSHIKI KAISHA
- Takashi Tohara
- B24 - GRINDING POLISHING