Inventor
FURUYA MASAYUKI
JP37 patents
⚠️ This page may combine multiple inventors who share the name “FURUYA MASAYUKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MITSUI CHEMICALS INC
20 patentsUS6579829B2Jun 17, 2003
Developer composition and heat sensitive recording material
MITSUI CHEMICALS INC25 citations92
US6392090B1May 21, 2002
Process for preparing hydroxybenzoic acids
MITSUI CHEMICALS INC7 citations73
US12269913B2Apr 8, 2025
Polythiol composition and applications thereof
MITSUI CHEMICALS INC0 citations62
US12448470B2Oct 21, 2025
Polymerizable composition for optical material, molded product, optical material, and plastic lens and method for manufacturing same
MITSUI CHEMICALS INC0 citations52
US12384870B2Aug 12, 2025
Method for setting polymerization condition and method for manufacturing optical material
MITSUI CHEMICALS INC0 citations52
US12379367B2Aug 5, 2025
Method for setting polymerization condition and method for manufacturing optical material
MITSUI CHEMICALS INC0 citations52
US12252586B2Mar 18, 2025
Method for setting conditions for use of polymerization catalyst, polymerization condition setting method, and method for manufacturing optical material
MITSUI CHEMICALS INC0 citations52
US12234315B2Feb 25, 2025
Molded product and uses thereof
MITSUI CHEMICALS INC0 citations52
US11840599B2Dec 12, 2023
Thiol-containing composition for optical material and polymerizable composition for optical material
MITSUI CHEMICALS INC0 citations52
US11474280B2Oct 18, 2022
Polymerizable composition for optical material and optical material and plastic lens obtained from same composition
MITSUI CHEMICALS INC0 citations52
US10696627B2Jun 30, 2020
Process for producing pentaerythritol mercaptocarboxylic acid ester, polymerizable composition, resin, optical material, and lens
MITSUI CHEMICALS INC0 citations52
US11845828B2Dec 19, 2023
Polymerizable composition for optical material, optical material, and producing method thereof
MITSUI CHEMICALS INC0 citations51
US11358354B2Jun 14, 2022
Process for producing plastic lens and apparatus for producing plastic lens
MITSUI CHEMICALS INC0 citations51
US7622563B2Nov 24, 2009
Process for producing glycoside
MITSUI CHEMICALS INC1 citations51
US10399930B2Sep 3, 2019
Purification method of aldehyde compound
MITSUI CHEMICALS INC0 citations50
US10399929B2Sep 3, 2019
Purification method of aldehyde compound
MITSUI CHEMICALS INC0 citations50
US9809533B2Nov 7, 2017
Purification method of aldehyde compound
MITSUI CHEMICALS INC0 citations50
US11414515B2Aug 16, 2022
Polymerizable composition for optical material and optical material and plastic lens obtainable from same composition
MITSUI CHEMICALS INC0 citations49
US9206119B2Dec 8, 2015
Process for preparing β-mercaptocarboxylic acid
MITSUI CHEMICALS INC0 citations42
US9133112B2Sep 15, 2015
Process for preparing β-mercaptocarboxylic acid
MITSUI CHEMICALS INC0 citations42
MITSUI TOATSU CHEMICALS
8 patentsUS5525686AJun 11, 1996
Polyvalent metal salt of salicyclic acid resin and process for preparing it
MITSUI TOATSU CHEMICALS9 citations72
US4877907AOct 31, 1989
Preparation process of 4,4'-biphenol, precursor of same and preparation process of precursor
MITSUI TOATSU CHEMICALS4 citations72
US4894487AJan 16, 1990
Preparation process of 4-(4-hydroxyphenyl)-cyclohexanol
MITSUI TOATSU CHEMICALS3 citations63
US4939306AJul 3, 1990
Preparation process of 4,4'-biphenol, precursor of same and preparation process of precursor
MITSUI TOATSU CHEMICALS2 citations61
US4873374AOct 10, 1989
Preparation process of 4,4'-biphenol, precursor of same and preparation process of precursor
MITSUI TOATSU CHEMICALS3 citations61
US5545751AAug 13, 1996
Process for the preparation of 4-methoxy-2,2',6'-Trimethyldiphenylamine
MITSUI TOATSU CHEMICALS0 citations51
US4970323ANov 13, 1990
Preparation process of N-substituted monochlorosuccinimides
MITSUI TOATSU CHEMICALS0 citations48
US4851590AJul 25, 1989
Method of purifying 2,4-xylenol
MITSUI TOATSU CHEMICALS0 citations48