P

Inventor

TANAKA KYOICHI

13 patents
⚠️ This page may combine multiple inventors who share the name “TANAKA KYOICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

TOYO CONTACT LENS CO LTD

8 patents
US4139513AFeb 13, 1979

Copolymer for soft contact lens, its preparation and soft contact lens made thereof

TOYO CONTACT LENS CO LTD275 citations97
US4139692AFeb 13, 1979

Copolymer for contact lens, its preparation and contact lens made thereof

TOYO CONTACT LENS CO LTD199 citations97
US4235985ANov 25, 1980

Polymer for contact lens and contact lens made thereof

TOYO CONTACT LENS CO LTD117 citations95
US4139548AFeb 13, 1979

Methyldi(trimethylsiloxy)sylylpropylglycerol methacrylate

TOYO CONTACT LENS CO LTD71 citations95
US4259202AMar 31, 1981

Cleaning and preservative solution for contact lenses

TOYO CONTACT LENS CO LTD50 citations92
US4451629AMay 29, 1984

Contact lens and process for preparing the same

TOYO CONTACT LENS CO LTD42 citations91
US4500441AFeb 19, 1985

Contact lens cleaning and storage composition

TOYO CONTACT LENS CO LTD46 citations90
US3992563ANov 16, 1976

High toughness synthetic high polymers for soft contact lenses and a process for manufacturing the same

TOYO CONTACT LENS CO LTD26 citations81

MENICON CO LTD

2 patents
US5422687AJun 6, 1995

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

MENICON CO LTD99 citations94
US5284348AFeb 8, 1994

Apparatus for cutting ocular lens materials

MENICON CO LTD26 citations91

FUJISAWA PHARMACEUTICAL CO

2 patents
US5009713AApr 23, 1991

Cement composition and a process for preparation thereof

FUJISAWA PHARMACEUTICAL CO10 citations68
US5443635AAug 22, 1995

Cement compositions

FUJISAWA PHARMACEUTICAL CO0 citations51

MIO TAKESHI

1 patent
US4157892AJun 12, 1979

Method of coloring water-absorbable plastics and colored water-absorbable plastics

MIO TAKESHI46 citations88