Inventor
HAYAKAWA Jun-ya
JP13 patents
⚠️ This page may combine multiple inventors who share the name “HAYAKAWA Jun-ya”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MITSUBISHI GAS CHEMICAL CO
11 patentsUS9546249B2Jan 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
US9428608B2Aug 30, 2016
Aromatic polycarbonate resin composition
MITSUBISHI GAS CHEMICAL CO2 citations61
US11021571B2Jun 1, 2021
Manufacturing method for high molecular weight aromatic polycarbonate resin
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
US9243106B2Jan 26, 2016
Method for continuous production of high molecular weight polycarbonate resin
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