Assignee
TOMEI SANGYO KK
JP·25 granted patents·522 citations·filing 1985–1994
Top patents by PatentIndex Score
25 records- 0185US5206298AGraft copolymer, solution containing the graft copolymer for treating contact lens, and method of treating contact lens with the solution and making hydrophilic lens surfaceTOMEI SANGYO KK·Filed 1990·Granted Apr 27, 1993·45 cites·3 claims
- 0284USD337254SCombined spray bottle and capTOMEI SANGYO KK·Filed 1991·Granted Jul 13, 1993·26 cites·1 claims
- 0381US5409731AMethod for imparting a hydrophilic nature to a contact lensTOMEI SANGYO KK·Filed 1992·Granted Apr 25, 1995·69 cites·20 claims
- 0479US5281277ALiquid composition for contact lenses and method for cleaning a contact lensTOMEI SANGYO KK·Filed 1992·Granted Jan 25, 1994·47 cites·7 claims
- 0578US4940542ALiquid purifying deviceTOMEI SANGYO KK·Filed 1989·Granted Jul 10, 1990·55 cites·16 claims
- 0671US5142009AHard contact lens materialTOMEI SANGYO KK·Filed 1988·Granted Aug 25, 1992·19 cites·20 claims
- 0770US5246552AMethod for cleaning and disinfecting soft contact lens and treating solution for soft contact lensesTOMEI SANGYO KK·Filed 1990·Granted Sep 21, 1993·29 cites·5 claims
- 0869US5314823AMethod for cleaning a contact lensTOMEI SANGYO KK·Filed 1992·Granted May 24, 1994·26 cites·9 claims
- 0966US5460658AMethod for cleaning or preserving a contact lens by means of liquid compositionTOMEI SANGYO KK·Filed 1994·Granted Oct 24, 1995·24 cites·13 claims
- 1062US4904421ASoft ocular lens and method for its preparationTOMEI SANGYO KK·Filed 1987·Granted Feb 27, 1990·20 cites·8 claims
- 1158US5409546AMethod for cleaning, preserving and disinfecting contact lensesTOMEI SANGYO KK·Filed 1993·Granted Apr 25, 1995·20 cites·19 claims
- 1257US4868260AHard contact lens material consisting of alkyl fumarate and silicon-alkyl fumarate copolymersTOMEI SANGYO KK·Filed 1986·Granted Sep 19, 1989·18 cites·4 claims
- 1354US5120438ALiquid purifying device incorporating air pumping means within container lid bodyTOMEI SANGYO KK·Filed 1991·Granted Jun 9, 1992·26 cites·17 claims
- 1451US5181604AContact lens holder and treating deviceTOMEI SANGYO KK·Filed 1991·Granted Jan 26, 1993·27 cites·12 claims
- 1543US5487788AMethod for cleaning and disinfecting contact lensTOMEI SANGYO KK·Filed 1994·Granted Jan 30, 1996·24 cites·4 claims
- 1637US5167323ALens treating device for treating contact lensTOMEI SANGYO KK·Filed 1991·Granted Dec 1, 1992·11 cites·15 claims
- 1736US5314590AMethod for cleaning and disinfecting soft contact lens and treating solution for soft contact lensesTOMEI SANGYO KK·Filed 1993·Granted May 24, 1994·4 cites·3 claims
- 1834US5283053AApparatus for treating contact lenses and contact lens treating vessel for use thereinTOMEI SANGYO KK·Filed 1992·Granted Feb 1, 1994·14 cites·16 claims
- 1933US5279674AMethod of treating contact lensTOMEI SANGYO KK·Filed 1992·Granted Jan 18, 1994·6 cites·6 claims
- 2033US5134213APolymer-type polymerization initiatorTOMEI SANGYO KK·Filed 1991·Granted Jul 28, 1992·1 cites·8 claims
- 2133US5082912APolymer-type polymerization initiatorTOMEI SANGYO KK·Filed 1990·Granted Jan 21, 1992·1 cites·3 claims
- 2225US5302312ADetergent for contact lens comprising a water-soluble compound and a copolymer of polyhydric alcohol and a cross-linked acrylic acid and a method for washing contact lensTOMEI SANGYO KK·Filed 1989·Granted Apr 12, 1994·3 cites·3 claims
- 2324US4788227AContact lens formed from a hydrogel fundamental materialTOMEI SANGYO KK·Filed 1987·Granted Nov 29, 1988·1 cites·10 claims
- 2424US4699946AHydrogel fundamental materialTOMEI SANGYO KK·Filed 1985·Granted Oct 13, 1987·3 cites·6 claims
- 2522US5401431ACleaning-preserving aqueous solution for contact lenses and method for cleaning and disinfecting a contact lens by means thereofTOMEI SANGYO KK·Filed 1993·Granted Mar 28, 1995·3 cites·9 claims
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