Inventor

KAMIYA NAOTAKA

JP3 patents

Patents

3 patents

US5741830AApr 21, 1998

Water-absorptive soft contact lens

MENICON CO LTD30 citations89

US7261844B2Aug 28, 2007

Photochromic contact lens having excellent discoloring characteristic

MENICON CO LTD30 citations88

US5041511AAug 20, 1991

Ocular lens material

MENICON CO LTD19 citations73