Inventor
OKA KOICHIRO
25 patents
⚠️ This page may combine multiple inventors who share the name “OKA KOICHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TORAY INDUSTRIES
13 patentsUS5612390AMar 18, 1997
Thiol Methacrylate or acrylate resin and a method of making same
TORAY INDUSTRIES25 citations92
US5294690AMar 15, 1994
Thiol methacrylate or acrylate resin
TORAY INDUSTRIES26 citations92
US4989955AFeb 5, 1991
Liquid crystal electro-optical element and process for preparation thereof
TORAY INDUSTRIES28 citations92
US4588617AMay 13, 1986
Process for producing cured epoxy resin spherical particles
TORAY INDUSTRIES49 citations92
US4963417AOct 16, 1990
Pressure-sensitive tablet
TORAY INDUSTRIES31 citations89
US5247041ASep 21, 1993
Thiol methacrylate or acrylate resin obtained by polymerizing a thiol methacrylate or acrylate compound
TORAY INDUSTRIES15 citations82
US4752528AJun 21, 1988
Modified fine particles and a process for their production
TORAY INDUSTRIES23 citations82
US5502141AMar 26, 1996
Method of making thiol methacrylate or acrylate and a lens made therefrom
TORAY INDUSTRIES5 citations74
US5399735AMar 21, 1995
Thiol methacrylate or acrylate, method of making same and a lens made therefrom
TORAY INDUSTRIES5 citations74
US4732961AMar 22, 1988
Epoxy type spherical particulate adhesive and process for preparation thereof
TORAY INDUSTRIES14 citations74
US3963821AJun 15, 1976
Method for producing synthetic fiber for paper
TORAY INDUSTRIES9 citations72
US4959398ASep 25, 1990
Powdery adhesive and process for preparation thereof
TORAY INDUSTRIES17 citations71
US5767212AJun 16, 1998
Method of producing sulfur containing color-free transparent (metha) acrylate polymer having high visible light transmittance
TORAY INDUSTRIES5 citations57
YAMAMOTO KOGAKU
8 patentsUS6613433B2Sep 2, 2003
Polarizing optical composite and polarizing lens
YAMAMOTO KOGAKU109 citations97
US7901074B2Mar 8, 2011
Lens for safety glasses
YAMAMOTO KOGAKU26 citations92
US7891025B2Feb 22, 2011
Protective device for eyes
YAMAMOTO KOGAKU26 citations92
US6659608B2Dec 9, 2003
Polarizing optical article
YAMAMOTO KOGAKU40 citations92
US6455163B1Sep 24, 2002
Transparent optical article
YAMAMOTO KOGAKU25 citations92
US7318960B2Jan 15, 2008
Polarizing molded article and process for preparing the same
YAMAMOTO KOGAKU11 citations79
US6814902B2Nov 9, 2004
Method for continuously manufacturing optical article
YAMAMOTO KOGAKU6 citations62
US7891806B2Feb 22, 2011
Eyeglasses
YAMAMOTO KOGAKU0 citations31