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Mikito Nakashima
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Suwa, JP
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last 30 patents
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Patent Grant
Coated synthetic resin lens
Patent number
5,015,523
Issue date
May 14, 1991
Seiko Epson Corporation
Hiroshi Kawashima
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Patent Grant
Surface hard coat for a synthetic resin lens
Patent number
4,525,421
Issue date
Jun 25, 1985
Kabushiki Kaisha Suwa Seikosha
Satoshi Kubota
G02 - OPTICS