Tanaka; Kyoichi

Patent Applications and Registrations

Patent applications and USPTO patent grants for Tanaka; Kyoichi.The latest application filed is for "contact lens wherein central correction region has a center 0.2-2.4mm offset from lens geometric center and a diameter of 0.8-3.5mm".

Company Profile

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Tanaka; Kyoichi - Nagoya JP
Tanaka; Kyoichi - Chikusa-ku JA

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Contact lens wherein central correction region has a center 0.2-2.4mm offset from lens geometric center and a diameter of 0.8-3.5mm Grant 5,422,687 - Tanaka , et al. June 6, 1	1995-06-06
Contact lens cleaning and storage composition Grant 4,500,441 - Tanaka , et al. February 19, 1	1985-02-19
Contact lens and process for preparing the same Grant 4,451,629 - Tanaka , et al. May 29, 1	1984-05-29
Cleaning and preservative solution for contact lenses Grant 4,259,202 - Tanaka , et al. March 31, 1	1981-03-31
Polymer for contact lens and contact lens made thereof Grant 4,235,985 - Tanaka , et al. November 25, 1	1980-11-25
Method of coloring water-absorbable plastics and colored water-absorbable plastics Grant 4,157,892 - Tanaka , et al. June 12, 1	1979-06-12
Copolymer for soft contact lens, its preparation and soft contact lens made thereof Grant 4,139,513 - Tanaka , et al. February 13, 1	1979-02-13
Methyldi(trimethylsiloxy)sylylpropylglycerol methacrylate Grant 4,139,548 - Tanaka , et al. February 13, 1	1979-02-13
Copolymer for contact lens, its preparation and contact lens made thereof Grant 4,139,692 - Tanaka , et al. February 13, 1	1979-02-13
High toughness synthetic high polymers for soft contact lenses and a process for manufacturing the same Grant 3,992,563 - Tanaka November 16, 1	1976-11-16
Protective Holder For Soft Contact Lens Grant 3,804,236 - Tanaka April 16, 1	1974-04-16

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