Akihiro SHOJI

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Glass lens blank for polishing, manufacturing method therefore, and...
- Patent number 9,868,661
- Issue date Jan 16, 2018
- Hoya Corporation
- Mikio Ikenishi
- B24 - GRINDING POLISHING

Patents Applicationslast 30 patents

Information Patent Application
GLASS LENS BLANK FOR POLISHING, MANUFACTURING METHOD THEREFORE, AND...
- Publication number 20160039703
- Publication date Feb 11, 2016
- HOYA CORPORATION
- Mikio IKENISHI
- C03 - GLASS MINERAL OR SLAG WOOL