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Kunio Sasaki
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Akishima, JP
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last 30 patents
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Patent Grant
Coating composition and method for preparing the same, and scuff-re...
Patent number
6,680,125
Issue date
Jan 20, 2004
Hoya Corporation
Kunio Sasaki
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Lens dyeing method and lens dyeing aparatus: dyeing lenses to give...
Patent number
5,096,457
Issue date
Mar 17, 1992
Hoya Corporation
Masahiro Nakagawa
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Process for producing polyurethane lens
Patent number
4,975,328
Issue date
Dec 4, 1990
Hoya Corporation
Yoshiro Hirose
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Method for marking an indication to the lens
Patent number
4,329,378
Issue date
May 11, 1982
Kabushiki Kaisha Hoya Lens (Hoya Lens Corporation)
Niro Tarumi
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL