Masashi Nishioka

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Device and method for measuring and machining spectacle lens, spect...
- Patent number 8,387,224
- Issue date Mar 5, 2013
- Hoya Corporation
- Michio Arai
- B24 - GRINDING POLISHING
Information Patent Grant
Spectacle lens manufacturing method
- Patent number 7,980,920
- Issue date Jul 19, 2011
- Hoya Corporation
- Hisanori Akiyama
- B24 - GRINDING POLISHING

Patents Applicationslast 30 patents

Information Patent Application
Device and method for measuring and machining spectacle lens, spect...
- Publication number 20090067940
- Publication date Mar 12, 2009
- Michio Arai
- B24 - GRINDING POLISHING
Information Patent Application
Spectacle Lens Manufacturing Method
- Publication number 20080051012
- Publication date Feb 28, 2008
- HOYA CORPORATION
- Hisanori Akiyama
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL