Inventor · disambiguated record
Masaru Kawaguchi
Also filed as: KAWAGUCHI MASARU
21 granted patents·14 pending applications·43 citations·filing 2002–2023
92Inventor score
Top patents by PatentIndex Score
35 records- 0194US9777103B2Polythiol composition, polymerizable composition for optical material and use thereofMITSUI CHEMICALS INC·Filed 2013·Granted Oct 3, 2017·6 cites·8 claims
- 0293US8044165B2Process for producing resin for optical materialMITSUI CHEMICALS INC·Filed 2007·Granted Oct 25, 2011·14 cites·7 claims
- 0386US10266636B2Process for producing episulfide compound for optical material, episulfide-containing composition, and polymerizable composition for optical material including the same compositionMITSUI CHEMICALS INC·Filed 2015·Granted Apr 23, 2019·2 cites·3 claims
- 0485US9181179B2Method for producing polythiol compound, polymerizable composition for optical material, and uses thereofMITSUI CHEMICALS INC·Filed 2013·Granted Nov 10, 2015·2 cites·2 claims
- 0582US12064908B2Injection molding apparatus, injection molding method and production method of molded product using injection molding apparatus, and laminated lensMITSUI CHEMICALS INC·Filed 2020·Granted Aug 20, 2024·1 cites·19 claims
- 0680US9637584B2Method for producing polythiol compound, polymerizable composition for optical material, and uses thereofMITSUI CHEMICALS INC·Filed 2015·Granted May 2, 2017·1 cites·4 claims
- 0780US9605105B2Method for producing polythiol compound, polymerizable composition for optical material, and uses thereofMITSUI CHEMICALS INC·Filed 2015·Granted Mar 28, 2017·1 cites·4 claims
- 0879US8434866B2Polymerizable composition for optical material, optical material, and method for preparing the optical materialHAYASHI HIDETOSHI·Filed 2009·Granted May 7, 2013·4 cites·13 claims
- 0978US9181180B2Method for producing polythiol compound, polymerizable composition for optical material, and uses thereofMITSUI CHEMICALS INC·Filed 2013·Granted Nov 10, 2015·1 cites·2 claims
- 1076US10858472B2Polythiol composition, polymerizable composition for optical material and use thereofMITSUI CHEMICALS INC·Filed 2018·Granted Dec 8, 2020·0 cites·14 claims
- 1175US10858473B2Polythiol composition, polymerizable composition for optical material and use thereofMITSUI CHEMICALS INC·Filed 2018·Granted Dec 8, 2020·0 cites·14 claims
- 1271US8076478B2Polyamine derivative and polyol derivativeMITA NARUYOSHI·Filed 2006·Granted Dec 13, 2011·6 cites·8 claims
- 1371US2017349692A1Polythiol composition, polymerizable composition for optical material and use thereofMITSUI CHEMICALS INC·Filed 2017·Application pending·0 cites
- 1469US2024101753A1Polythiol composition, polymerizable composition, resin, molded article, optical material, and lensMITSUI CHEMICALS INC·Filed 2023·Application pending·0 cites
- 1569US2024084105A1Polythiol composition, polymerizable composition, resin, molded body, optical material, and lensMITSUI CHEMICALS INC·Filed 2023·Application pending·0 cites
- 1665US11248077B2Polymerizable composition for optical material and molded productMITSUI CHEMICALS INC·Filed 2017·Granted Feb 15, 2022·1 cites·14 claims
- 1762US2023166883A1Xylylene diisocyanate-containing container, method for storing xylylene diisocyanate, and method for transporting xylylene diisocyanateMITSUI CHEMICALS INC·Filed 2021·Application pending·0 cites
- 1862US2023340183A1Xylylene diisocyanate composition, xylylene diisocyanate modified composition, polymerizable composition, resin, molded article, optical element, and lensMITSUI CHEMICALS INC·Filed 2021·Application pending·0 cites
- 1961US11753367B2Xylylene diisocyanate composition, polymerizable composition for optical material, resin, molded article, optical element, and lensMITSUI CHEMICALS INC·Filed 2022·Granted Sep 12, 2023·0 cites·11 claims
- 2058US6933411B2Aromatic diamine and polyimide thereofMITSUI CHEMICALS INC·Filed 2003·Granted Aug 23, 2005·3 cites·3 claims
- 2158US2009082544A1Process for producing polythiol compound for optical materials, and polymerizable composition containing polythiol compoundMITSUI CHEMICALS INC·Filed 2007·Application pending·0 cites
- 2257US8354529B2Polyamine derivative and polyol derivativeBASF SE·Filed 2011·Granted Jan 15, 2013·0 cites·7 claims
- 2357US2011176220A1Process for Producing Polythiol Compound for Optical Materials, and Polymerizable Composition Containing Polythiol CompoundMITSUI CHEMICALS INC·Filed 2011·Application pending·0 cites
- 2457US2022289945A1Polymerizable composition for optical material, optical material, and use thereofMITSUI CHEMICALS INC·Filed 2020·Application pending·0 cites
- 2556US11827736B2Polythiol composition, polymerizable composition, resin, molded body, optical material, and lensMITSUI CHEMICALS INC·Filed 2021·Granted Nov 28, 2023·0 cites·9 claims
- 2656US2010280213A1Process for producing polythiol compound for optical materials, and polymerizable composition containing polythiol compoundMITSUI CHEMICALS INC·Filed 2010·Application pending·0 cites
- 2755US12486239B2Benzotriazole compound, light absorber, and resin compositionMITSUI CHEMICALS INC·Filed 2020·Granted Dec 2, 2025·0 cites·11 claims
- 2848US6737503B2Aromatic diamine and polyimide thereofMITSUI CHEMICALS INC·Filed 2002·Granted May 18, 2004·1 cites·6 claims
- 2947US2024294695A1Polyisocyanate composition, polymerizable composition, resin, molded article, optical element, and lensMITSUI CHEMICALS INC·Filed 2022·Application pending·0 cites
- 3046US2020148856A1Polymerizable composition for optical material, and molded productMITSUI CHEMICALS INC·Filed 2018·Application pending·0 cites
- 3145US10844010B2Process for producing (poly)sulfide compound and process for producing episulfide compoundMITSUI CHEMICALS INC·Filed 2017·Granted Nov 24, 2020·0 cites·8 claims
- 3245US2022153963A1Method of producing optical material, and polymerizable composition for optical materialMITSUI CHEMICALS INC·Filed 2020·Application pending·0 cites
- 3344US2021171682A1Polymerizable composition for optical material and molded productMITSUI CHEMICALS INC·Filed 2018·Application pending·0 cites
- 3438US10921489B2Polymerizable composition for optical material, optical material obtained from the composition, and plastic lensMITSUI CHEMICALS INC·Filed 2016·Granted Feb 16, 2021·0 cites·8 claims
- 3538US2019211258A1Photochromic lens and polymerizable compositionMITSUI CHEMICALS INC·Filed 2017·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →