Inventor
KIYONO SHINJI
JP30 patents
⚠️ This page may combine multiple inventors who share the name “KIYONO SHINJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MITSUI CHEMICALS INC
21 patentsUS5990352ANov 23, 1999
Phosphazenium salt and preparation process thereof, and process for producing poly(alkylene oxide)
MITSUI CHEMICALS INC21 citations92
US10011677B2Jul 3, 2018
Polycarbodiimide composition, method for producing polycarbodiimide composition, aqueous dispersion composition, solution composition, resin composition, and cured resin
MITSUI CHEMICALS INC14 citations83
US9475903B2Oct 25, 2016
1,4-bis(isocyanatomethyl)cyclohexane, polyisocyanate composition, polyurethane resin, molded article, eyewear material, eyewear frame, and lens
MITSUI CHEMICALS INC5 citations83
US6255537B1Jul 3, 2001
Process for preparing poly(alkylene oxide)
MITSUI CHEMICALS INC17 citations83
US6153794ANov 28, 2000
Phosphine sulfide, a manufacturing process therefor and use thereof
MITSUI CHEMICALS INC9 citations73
US6130346AOct 10, 2000
Process for preparing an organic compound from an oxirane-containing compound in the presence of a tris(triaminophosphoranylideneamino)phosphine oxide
MITSUI CHEMICALS INC11 citations73
US6077930AJun 20, 2000
Preparation process of polymer
MITSUI CHEMICALS INC11 citations73
US10392528B2Aug 27, 2019
Polyisocyanate composition, polyurethane resin, and coating
MITSUI CHEMICALS INC3 citations72
US9720137B2Aug 1, 2017
Eyewear material, eyewear frame, and eyewear
MITSUI CHEMICALS INC2 citations72
US6469224B1Oct 22, 2002
Process for preparation of substituted aromatic compound
MITSUI CHEMICALS INC11 citations72
US11390751B2Jul 19, 2022
Polycarbodiimide composition, method for producing a polycarbodiimide composition, water-dispersed composition, solution composition, resin composition, and cured resin
MITSUI CHEMICALS INC0 citations62
US9477012B2Oct 25, 2016
1,4-bis(isocyanatomethyl)cyclohexane, polyisocyanate composition, polyurethane resin, molded article, eyewear material, eyewear frame, and lens
MITSUI CHEMICALS INC2 citations62
US6528599B1Mar 4, 2003
Method for preparing living polymer in the presence of phosphazenium salt
MITSUI CHEMICALS INC5 citations62
US6177593B1Jan 23, 2001
[Tris(dimethylamino)phosphonioamino]tris[tris(dimethylamino)phosphoranylideneamino]phosphonium dichloride and preparation process thereof
MITSUI CHEMICALS INC2 citations62
US6090980AJul 18, 2000
Preparation process of iminotris ( Dimethylamino) phosphorane
MITSUI CHEMICALS INC4 citations62
US6762259B2Jul 13, 2004
Process for the production of living (co)polymers and use of the (co)polymers
MITSUI CHEMICALS INC3 citations60
US10865269B2Dec 15, 2020
Polyisocyanate composition, polyurethane resin, two-component curable polyurethane composition, coating material, and adhesive material
MITSUI CHEMICALS INC0 citations51
US10689477B2Jun 23, 2020
Polyisocyanate composition, polyurethane resin, two-component curable polyurethane composition, and coating material
MITSUI CHEMICALS INC0 citations51
US10689481B2Jun 23, 2020
Polyisocyanate composition, polyurethane resin, two-component curable polyurethane composition, and coating material
MITSUI CHEMICALS INC0 citations51
US6444847B2Sep 3, 2002
Process for preparing phosphine oxides and process for purifying the same
MITSUI CHEMICALS INC0 citations51
US6303815B1Oct 16, 2001
Process for preparing phosphine oxides and process for purifying the same
MITSUI CHEMICALS INC0 citations51
MITSUI TOATSU CHEMICALS
5 patentsUS4831158AMay 16, 1989
Preparation process indoles
MITSUI TOATSU CHEMICALS7 citations73
US6936684B2Aug 30, 2005
Poly (alkylene oxide) prepared in the presence of a phosphazenium salt or compound
MITSUI TOATSU CHEMICALS2 citations63
US4937353AJun 26, 1990
Preparation process for indoles
MITSUI TOATSU CHEMICALS3 citations62
US4916236AApr 10, 1990
Preparation of indoles by cyclization
MITSUI TOATSU CHEMICALS3 citations62
US4825003AApr 25, 1989
Production process of 2-chloropropionaldehyde
MITSUI TOATSU CHEMICALS1 citations50