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Shinji Kanome
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Nagoya, JP
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Patents Grants
last 30 patents
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Patent Grant
Contact lens and process for preparing the same
Patent number
4,451,629
Issue date
May 29, 1984
Toyo Contact Lens Co., Ltd.
Kyoichi Tanaka
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Copolymer for soft contact lens, its preparation and soft contact l...
Patent number
4,139,513
Issue date
Feb 13, 1979
Toyo Contact Lens Co., Ltd.
Kyoichi Tanaka
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...