Inventor
SHIMUTA MASANORI
JP9 patents
Patents
9 patentsUS6117923ASep 12, 2000
Resin for optical material
MITSUBISHI GAS CHEMICAL CO100 citations96
US5945504AAug 31, 1999
Episulfide compound
MITSUBISHI GAS CHEMICAL CO115 citations96
US7169845B2Jan 30, 2007
Polymerization regulators and compositions for resin
MITSUBISHI GAS CHEMICAL CO7 citations74
US7309794B1Dec 18, 2007
Method of storing episulfide compound
MITSUBISHI GAS CHEMICAL CO7 citations73
US6225439B1May 1, 2001
Compositions for a resin
MITSUBISHI GAS CHEMICAL CO12 citations72
US5543482AAug 6, 1996
Composition for high refractive index lens comprising copolymer of vinylbenzylthio compound and a monomer copolymerizable therewith
MITSUBISHI GAS CHEMICAL CO8 citations71
US4836859AJun 6, 1989
Method for treating contact lenses
MITSUBISHI GAS CHEMICAL CO17 citations71
US5395909AMar 7, 1995
Composition for high refractive index lens comprising a copolymer of a vinylbenzylthio compound
MITSUBISHI GAS CHEMICAL CO3 citations60
US7446163B2Nov 4, 2008
Polymerization regulator and composition for resin
MITSUBISHI GAS CHEMICAL CO0 citations52