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Nagoya, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Method for cleaning and disinfecting contact lens
Patent number
5,487,788
Issue date
Jan 30, 1996
Tomei Sangyo Kabushiki Kaisha
Hideaki Kamiya
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Method for cleaning or preserving a contact lens by means of liquid...
Patent number
5,460,658
Issue date
Oct 24, 1995
Tomei Sangyo Kabushiki Kaisha
Akira Nakagawa
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Method for imparting a hydrophilic nature to a contact lens
Patent number
5,409,731
Issue date
Apr 25, 1995
Tomei Sangyo Kabushiki Kaisha
Akira Nakagawa
G02 - OPTICS
Information
Patent Grant
Method for cleaning, preserving and disinfecting contact lenses
Patent number
5,409,546
Issue date
Apr 25, 1995
Tomei Sangyo Kabushiki Kaisha
Akira Nakagawa
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Cleaning-preserving aqueous solution for contact lenses and method...
Patent number
5,401,431
Issue date
Mar 28, 1995
Tomei Sangyo Kabushiki Kaisha
Akira Nakagawa
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Method for cleaning and disinfecting soft contact lens and treating...
Patent number
5,314,590
Issue date
May 24, 1994
Tomei Sangyo Kabushiki Kaisha
Hideaki Kamiya
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Method for cleaning a contact lens
Patent number
5,314,823
Issue date
May 24, 1994
Tomei Sangyo Kabushiki Kaisha
Akira Nakagawa
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Detergent for contact lens comprising a water-soluble compound and...
Patent number
5,302,312
Issue date
Apr 12, 1994
Tomei Sangyo Kabushiki Kaisha
Atsushi Kawai
C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
Information
Patent Grant
Apparatus for treating contact lenses and contact lens treating ves...
Patent number
5,283,053
Issue date
Feb 1, 1994
Tomei Sangyo Kabushiki Kaisha
Hideaki Kamiya
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Liquid composition for contact lenses and method for cleaning a con...
Patent number
5,281,277
Issue date
Jan 25, 1994
Tomei Sangyo Kabushiki Kaisha
Akira Nakagawa
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Method of treating contact lens
Patent number
5,279,674
Issue date
Jan 18, 1994
Tomei Sangyo Co., Ltd.
Kiyohiko Ohta
G02 - OPTICS
Information
Patent Grant
Method for cleaning and disinfecting soft contact lens and treating...
Patent number
5,246,552
Issue date
Sep 21, 1993
Tomei Sangyo Kabushiki Kaisha
Hideaki Kamiya
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Method for marking a water-absorptive contact lens: dyeing dry lens...
Patent number
5,244,470
Issue date
Sep 14, 1993
Menicon Co., Ltd.
Koji Onda
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Combined spray bottle and cap
Patent number
D337254
Issue date
Jul 13, 1993
Tomei Sangyo Co., Ltd.
Makoto Nakagawa
D09 - Packages and containers for goods
Information
Patent Grant
Graft copolymer, solution containing the graft copolymer for treati...
Patent number
5,206,298
Issue date
Apr 27, 1993
Tomei Sangyo Kabushiki Kaisha
Toru Kawaguchi
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Contact lens holder and treating device
Patent number
5,181,604
Issue date
Jan 26, 1993
Tomei Sangyo Co., Ltd.
Kiyohiko Ohta
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Lens treating device for treating contact lens
Patent number
5,167,323
Issue date
Dec 1, 1992
Tomei Sangyo Co., Ltd.
Kiyohiko Ohta
G02 - OPTICS
Information
Patent Grant
Hard contact lens material
Patent number
5,142,009
Issue date
Aug 25, 1992
Tomei Sangyo Kabushiki Kaisha
Toru Kawaguchi
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Polymer-type polymerization initiator
Patent number
5,134,213
Issue date
Jul 28, 1992
Tomei Sangyo Kabushiki Kaisha
Toru Kawaguchi
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Liquid purifying device incorporating air pumping means within cont...
Patent number
5,120,438
Issue date
Jun 9, 1992
Tomei Sangyo Co., Ltd.
Makoto Nakagawa
B67 - OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS LIQUID...
Information
Patent Grant
Polymer-type polymerization initiator
Patent number
5,082,912
Issue date
Jan 21, 1992
Tomei Sangyo Kabushiki Kaisha
Toru Kawaguchi
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Liquid purifying device
Patent number
4,940,542
Issue date
Jul 10, 1990
Tomei Sangyo Kabushiki Kaisha
Kazuo Simizu
B67 - OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS LIQUID...
Information
Patent Grant
Soft ocular lens and method for its preparation
Patent number
4,904,421
Issue date
Feb 27, 1990
Tomei Sangyo Kabushiki Kaisha
Ichiro Ando
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Hard contact lens material consisting of alkyl fumarate and silicon...
Patent number
4,868,260
Issue date
Sep 19, 1989
Tomei Sangyo Kabushiki Kaisha
Toru Kawaguchi
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Contact lens formed from a hydrogel fundamental material
Patent number
4,788,227
Issue date
Nov 29, 1988
Tomei Sangyo Kabushiki Kaisha
Yasukichi Yanagihara
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Hydrogel fundamental material
Patent number
4,699,946
Issue date
Oct 13, 1987
Tomei Sangyo Kabushiki Kaisha
Yasukichi Yanagihara
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Electrolytic sterilizer for contact lenses
Patent number
4,512,865
Issue date
Apr 23, 1985
Tanica Electric Co., Ltd.
Masakatu Yamauchi
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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last 30 patents
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