Inventor
MISAWA TSUTAMI
JP32 patents
⚠️ This page may combine multiple inventors who share the name “MISAWA TSUTAMI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MITSUI TOATSU CHEMICALS
15 patentsUS5751483AMay 12, 1998
Color filter having polarizability
MITSUI TOATSU CHEMICALS26 citations92
US5739298AApr 14, 1998
Water-soluble azo compounds
MITSUI TOATSU CHEMICALS25 citations92
US5446135AAug 29, 1995
Sulfonyloxy substituted tris-azoaryl dyes and copper complex salts thereof and polarizing films dyed therewith
MITSUI TOATSU CHEMICALS27 citations92
US5318856AJun 7, 1994
Water-soluble azo dyes and polarizing films using the dyes
MITSUI TOATSU CHEMICALS38 citations92
US5548073AAug 20, 1996
Water-soluble azo compounds
MITSUI TOATSU CHEMICALS5 citations74
US5482986AJan 9, 1996
Benzopyran compound and use of the same
MITSUI TOATSU CHEMICALS7 citations74
US5423100AJun 13, 1995
Water-soluble azo compounds and polarizing films using the compounds
MITSUI TOATSU CHEMICALS7 citations74
US5658707AAug 19, 1997
Optical recording media
MITSUI TOATSU CHEMICALS10 citations72
US5693396ADec 2, 1997
Phthalocyanine compounds and optical recording media comprising them
MITSUI TOATSU CHEMICALS4 citations63
US5672462ASep 30, 1997
Optical recording medium
MITSUI TOATSU CHEMICALS6 citations63
US5618868AApr 8, 1997
Polarizing film of a hydrophilic polymer film containing a novel azo compound
MITSUI TOATSU CHEMICALS3 citations63
US5382465AJan 17, 1995
Anthraquinonic colorant and polarizing film containing the colorant
MITSUI TOATSU CHEMICALS3 citations63
US5252769AOct 12, 1993
Anthraquinonic colorant and polarizing film containing the colorant
MITSUI TOATSU CHEMICALS2 citations63
US5750599AMay 12, 1998
Quinophthalone compounds and polarizing films using same
MITSUI TOATSU CHEMICALS0 citations52
US5659039AAug 19, 1997
Quinophthalone compounds
MITSUI TOATSU CHEMICALS1 citations52
MITSUI CHEMICALS INC
14 patentsUS6965191B2Nov 15, 2005
Display filter, display apparatus, and method for production of the same
MITSUI CHEMICALS INC95 citations95
US5948593ASep 7, 1999
Optical recording medium
MITSUI CHEMICALS INC36 citations92
US5855979AJan 5, 1999
Optical recording medium
MITSUI CHEMICALS INC48 citations91
US6627288B1Sep 30, 2003
Optical recording medium and porphycene compound
MITSUI CHEMICALS INC13 citations83
US5916488AJun 29, 1999
Polyimide resin compositions for optical filters
MITSUI CHEMICALS INC5 citations73
US5868968AFeb 9, 1999
Polyimide resin compositions for optical filters
MITSUI CHEMICALS INC5 citations73
US6162520ADec 19, 2000
Optical recording medium and dipyrromethene metal chelate compound for use therein
MITSUI CHEMICALS INC6 citations72
US5952477ASep 14, 1999
Azo compound and polarizing film
MITSUI CHEMICALS INC3 citations63
US7094516B2Aug 22, 2006
Benzobisazole compound and optical recording medium containing the compound
MITSUI CHEMICALS INC4 citations62
US6758890B2Jul 6, 2004
Aqueous ink and process for producing dye
MITSUI CHEMICALS INC6 citations62
US6479123B2Nov 12, 2002
Dipyrromethene-metal chelate compound and optical recording medium using thereof
MITSUI CHEMICALS INC3 citations62
US6060606AMay 9, 2000
Dipyrromethene metal chelate compounds
MITSUI CHEMICALS INC4 citations62
US6355327B1Mar 12, 2002
Optical recording medium and dipyrromethene metal chelate compound for use therein
MITSUI CHEMICALS INC0 citations51
US7405030B2Jul 29, 2008
Imide compound and optical recording media made by using the same
MITSUI CHEMICALS INC1 citations50