Yukiaki Sunagawa

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method of manufacturing plastic lens, gasket for molding plastic le...
- Patent number 7,919,020
- Issue date Apr 5, 2011
- Hoya Corporation
- Akira Hamanaka
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
MANUFACTURING METHOD AND MANUFACTURING APPARATUS OF PLASTIC LENS
- Publication number 20110278747
- Publication date Nov 17, 2011
- HOYA CORPORATION
- Yasuhisa Okamoto
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
Method Of Manufacturing Plastic Lens, Gasket For Molding Plastic Le...
- Publication number 20080018005
- Publication date Jan 24, 2008
- Hoya Corporation
- Akira Hamanaka
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL