Inventor
ISOBE TAKEHIKO
JP27 patents
⚠️ This page may combine multiple inventors who share the name “ISOBE TAKEHIKO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MITSUBISHI GAS CHEMICAL CO
23 patentsUS12202786B2Jan 21, 2025
Method for producing aromatic nitrile compound and method for producing carbonate ester
MITSUBISHI GAS CHEMICAL CO2 citations72
US12129230B2Oct 29, 2024
Dialkyl carbonate production method
MITSUBISHI GAS CHEMICAL CO2 citations72
US11161816B2Nov 2, 2021
Method for producing aromatic nitrile compound and method for producing carbonic acid ester
MITSUBISHI GAS CHEMICAL CO2 citations72
US10793524B2Oct 6, 2020
Method for producing aromatic nitrile compound and method for producing carbonic acid ester
MITSUBISHI GAS CHEMICAL CO4 citations72
US9546249B2Jan 17, 2017
Process for preparing highly polymerized aromatic polycarbonate resin
MITSUBISHI GAS CHEMICAL CO2 citations72
US9499661B2Nov 22, 2016
Process for producing highly polymerized aromatic polycarbonate resin
MITSUBISHI GAS CHEMICAL CO3 citations72
US11970442B2Apr 30, 2024
Method for producing carbonic ester
MITSUBISHI GAS CHEMICAL CO2 citations71
US11596936B2Mar 7, 2023
Method for regenerating catalyst and method for producing carbonate ester
MITSUBISHI GAS CHEMICAL CO2 citations71
US6521781B2Feb 18, 2003
Production of 2-hydrocarbyl-2-adamantyl acrylate compounds
MITSUBISHI GAS CHEMICAL CO2 citations62
US9428608B2Aug 30, 2016
Aromatic polycarbonate resin composition
MITSUBISHI GAS CHEMICAL CO2 citations61
US11673856B2Jun 13, 2023
Method for producing aromatic nitrile compound and method for producing carbonate ester
MITSUBISHI GAS CHEMICAL CO0 citations60
US11021571B2Jun 1, 2021
Manufacturing method for high molecular weight aromatic polycarbonate resin
MITSUBISHI GAS CHEMICAL CO0 citations51
US11014869B2May 25, 2021
Method for producing dialkyl carbonate
MITSUBISHI GAS CHEMICAL CO0 citations51
US10927216B2Feb 23, 2021
Manufacturing method for high molecular weight aromatic polycarbonate resin
MITSUBISHI GAS CHEMICAL CO0 citations51
US10894860B2Jan 19, 2021
High molecular weight aromatic polycarbonate resin manufacturing method
MITSUBISHI GAS CHEMICAL CO0 citations51
US10053537B2Aug 21, 2018
High-fluidity polycarbonate copolymer, process for production highly polymerized aromatic polycarbonate resin and aromatic polycarbonate compound
MITSUBISHI GAS CHEMICAL CO1 citations51
US9822218B2Nov 21, 2017
Process for producing a high molecular-weight aromatic polycarbonate resin
MITSUBISHI GAS CHEMICAL CO1 citations51
US9701788B2Jul 11, 2017
Method for producing branched aromatic polycarbonate resin
MITSUBISHI GAS CHEMICAL CO0 citations51
US9458290B2Oct 4, 2016
Process for preparing highly polymerized aromatic polycarbonate resin
MITSUBISHI GAS CHEMICAL CO0 citations51
US12359062B2Jul 15, 2025
Polycarbonate resin, method for producing same, polycarbonate resin composition and molded body
MITSUBISHI GAS CHEMICAL CO0 citations50
US12304998B2May 20, 2025
Polycarbonate resin
MITSUBISHI GAS CHEMICAL CO0 citations49
US9243106B2Jan 26, 2016
Method for continuous production of high molecular weight polycarbonate resin
MITSUBISHI GAS CHEMICAL CO0 citations40
US7067692B2Jun 27, 2006
Production method of adamantyl acrylate compounds
MITSUBISHI GAS CHEMICAL CO0 citations40
ISAHAYA YOSHINORI
2 patentsUS9353216B2May 31, 2016
High-fluidity polycarbonate copolymer, process for production highly polymerized aromatic polycarbonate resin and aromatic polycarbonate compound
ISAHAYA YOSHINORI3 citations71
US8969505B2Mar 3, 2015
Process for manufacturing branched aromatic polycarbonate resin with desired degree of branching
ISAHAYA YOSHINORI6 citations71