Chikai Kosaka

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Seki-Shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Mold assembly for forming ophthalmic lens or lens blank and method...
- Patent number 6,419,859
- Issue date Jul 16, 2002
- Menicon Co., Ltd.
- Yuki Tanaka
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Ocular lens fabrication method and ocular lens fabrication apparatus
- Patent number 5,737,057
- Issue date Apr 7, 1998
- Menicon Co., Ltd.
- Tosio Kojima
- B24 - GRINDING POLISHING
Information Patent Grant
Marking apparatus for contact lens
- Patent number 5,307,740
- Issue date May 3, 1994
- Menicon Co., Ltd
- Yasuyoshi Yamamoto
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
Mold assembly for forming ophthalmic lens or lens blank and method...
- Publication number 20010008314
- Publication date Jul 19, 2001
- Menicon Co., Ltd.
- Yuki Tanaka
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL