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Yousuke SHINKAI
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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Dialkyl carbonate production method
Patent number
12,129,230
Issue date
Oct 29, 2024
Mitsubishi Gas Chemical Company, Inc.
Hongyu Liu
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Method for producing carbonic ester
Patent number
11,970,442
Issue date
Apr 30, 2024
Mitsubishi Gas Chemical Company, Inc.
Hidefumi Harada
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method for regenerating catalyst and method for producing carbonate...
Patent number
11,596,936
Issue date
Mar 7, 2023
Mitsubishi Gas Chemical Company, Inc.
Hidefumi Harada
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Method for producing aromatic nitrile compound and method for produ...
Patent number
11,161,816
Issue date
Nov 2, 2021
Mitsubishi Gas Chemical Company, Inc.
Hidefumi Harada
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Manufacturing method for high molecular weight aromatic polycarbona...
Patent number
11,021,571
Issue date
Jun 1, 2021
Mitsubishi Gas Chemical Company, Inc.
Yoshinori Isahaya
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Manufacturing method for high molecular weight aromatic polycarbona...
Patent number
10,927,216
Issue date
Feb 23, 2021
Mitsubishi Gas Chemical Company, Inc.
Yoshinori Isahaya
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
High molecular weight aromatic polycarbonate resin manufacturing me...
Patent number
10,894,860
Issue date
Jan 19, 2021
Mitsubishi Gas Chemical Company, Inc.
Yoshinori Isahaya
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Method for producing aromatic nitrile compound and method for produ...
Patent number
10,793,524
Issue date
Oct 6, 2020
Mitsubishi Gas Chemical Company, Inc.
Hidefumi Harada
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method for producing aromatic nitrile compound and method for produ...
Patent number
10,584,092
Issue date
Mar 10, 2020
Mitsubishi Gas Chemical Company, Inc.
Yousuke Shinkai
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
High-fluidity polycarbonate copolymer, process for production highl...
Patent number
10,053,537
Issue date
Aug 21, 2018
Mitsubishi Gas Chemical Company, Inc.
Yoshinori Isahaya
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Process for producing a high molecular-weight aromatic polycarbonat...
Patent number
9,822,218
Issue date
Nov 21, 2017
Mitsubishi Gas Chemical Company, Inc.
Yoshinori Isahaya
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Method for producing branched aromatic polycarbonate resin
Patent number
9,701,788
Issue date
Jul 11, 2017
Mitsubishi Gas Chemical Company, Inc.
Yoshinori Isahaya
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for preparing highly polymerized aromatic polycarbonate resin
Patent number
9,546,249
Issue date
Jan 17, 2017
Mitsubishi Gas Chemical Company, Inc.
Yoshinori Isahaya
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Process for producing highly polymerized aromatic polycarbonate resin
Patent number
9,499,661
Issue date
Nov 22, 2016
Mitsubishi Gas Chemical Company, Inc.
Yoshinori Isahaya
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for preparing highly polymerized aromatic polycarbonate resin
Patent number
9,458,290
Issue date
Oct 4, 2016
Mitsubishi Gas Chemical Company, Inc.
Yoshinori Isahaya
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Aromatic polycarbonate resin composition
Patent number
9,428,608
Issue date
Aug 30, 2016
Mitsubishi Gas Chemical Company, Inc.
Yoshinori Isahaya
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
High-fluidity polycarbonate copolymer, process for production highl...
Patent number
9,353,216
Issue date
May 31, 2016
Mitsubishi Gas Chemical Company, Inc.
Yoshinori Isahaya
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Method for continuous production of high molecular weight polycarbo...
Patent number
9,243,106
Issue date
Jan 26, 2016
Mitsubishi Gas Chemical Company, Inc.
Yoshinori Isahaya
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for manufacturing branched aromatic polycarbonate resin wit...
Patent number
8,969,505
Issue date
Mar 3, 2015
Mitsubishi Gas Chemical Company, Inc.
Yoshinori Isahaya
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Patents Applications
last 30 patents
Information
Patent Application
METHOD FOR PRODUCING 2-FURONITRILE AND METHOD FOR PRODUCING CARBONI...
Publication number
20240261730
Publication date
Aug 8, 2024
Mitsubishi Gas Chemical Company, Inc.
Keiichi TOMISHIGE
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
AROMATIC POLYCARBONATE RESIN COMPOSITION AND AROMATIC POLYCARBONATE...
Publication number
20220177646
Publication date
Jun 9, 2022
Mitsubishi Gas Chemical Company, Inc.
Yoshinori ISAHAYA
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
DIALKYL CARBONATE PRODUCTION METHOD
Publication number
20220009873
Publication date
Jan 13, 2022
Mitsubishi Gas Chemical Company, Inc.
Hongyu LIU
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
METHOD FOR PRODUCING CARBONATE ESTERS, AND CATALYTIC STRUCTURE FOR...
Publication number
20210284594
Publication date
Sep 16, 2021
NIPPON STEEL CORPORATION
Kimihito SUZUKI
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
METHOD FOR PRODUCING CARBONIC ESTER
Publication number
20210061749
Publication date
Mar 4, 2021
Mitsubishi Gas Chemical Company, Inc.
Hidefumi HARADA
C07 - ORGANIC CHEMISTRY
Information
Patent Application
METHOD FOR PRODUCING AROMATIC NITRILE COMPOUND AND METHOD FOR PRODU...
Publication number
20200392085
Publication date
Dec 17, 2020
Mitsubishi Gas Chemical Company, Inc.
Hidefumi HARADA
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
METHOD FOR REGENERATING CATALYST AND METHOD FOR PRODUCING CARBONATE...
Publication number
20200282389
Publication date
Sep 10, 2020
Mitsubishi Gas Chemical Company, Inc.
Hidefumi HARADA
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
MANUFACTURING METHOD FOR HIGH MOLECULAR WEIGHT AROMATIC POLYCARBONA...
Publication number
20200216611
Publication date
Jul 9, 2020
Mitsubishi Gas Chemical Company, Inc.
Yoshinori ISAHAYA
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
METHOD FOR PRODUCING AROMATIC NITRILE COMPOUND AND METHOD FOR PRODU...
Publication number
20190382345
Publication date
Dec 19, 2019
Mitsubishi Gas Chemical Company, Inc.
Hidefumi HARADA
C07 - ORGANIC CHEMISTRY
Information
Patent Application
METHOD FOR PRODUCING AROMATIC NITRILE COMPOUND AND METHOD FOR PRODU...
Publication number
20190185408
Publication date
Jun 20, 2019
Mitsubishi Gas Chemical Company, Inc.
Yousuke SHINKAI
C07 - ORGANIC CHEMISTRY
Information
Patent Application
HIGH MOLECULAR WEIGHT AROMATIC POLYCARBONATE RESIN MANUFACTURING ME...
Publication number
20190119441
Publication date
Apr 25, 2019
Mitsubishi Gas Chemical Company, Inc.
Yoshinori ISAHAYA
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
MANUFACTURING METHOD FOR HIGH MOLECULAR WEIGHT AROMATIC POLYCARBONA...
Publication number
20190092901
Publication date
Mar 28, 2019
Mitsubishi Gas Chemical Company, Inc.
Yoshinori ISAHAYA
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
AROMATIC POLYCARBONATE RESIN COMPOSITION AND AROMATIC POLYCARBONATE...
Publication number
20190085123
Publication date
Mar 21, 2019
Mitsubishi Gas Chemical Company, Inc.
Yoshinori ISAHAYA
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
HIGH-FLUIDITY POLYCARBONATE COPOLYMER, PROCESS FOR PRODUCTION HIGHL...
Publication number
20170174833
Publication date
Jun 22, 2017
Mitsubishi Gas Chemical Company, Inc.
Yoshinori ISAHAYA
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
PROCESS FOR PRODUCING A HIGH MOLECULAR-WEIGHT AROMATIC POLYCARBONAT...
Publication number
20160272757
Publication date
Sep 22, 2016
Mitsubishi Gas Chemical Company, Inc.
Yoshinori ISAHAYA
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
HIGH-FLUIDITY POLYCARBONATE COPOLYMER, PROCESS FOR PRODUCTION HIGHL...
Publication number
20160264726
Publication date
Sep 15, 2016
Mitsubishi Gas Chemical Company, Inc.
Yoshinori Isahaya
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
PROCESS FOR PREPARING HIGHLY POLYMERIZED AROMATIC POLYCARBONATE RESIN
Publication number
20150322203
Publication date
Nov 12, 2015
Mitsubishi Gas Chemical Company, Inc.
Yoshinori Isahaya
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
AROMATIC POLYCARBONATE RESIN COMPOSITION
Publication number
20150284509
Publication date
Oct 8, 2015
Mitsubishi Gas Chemical Company, Inc.
Yoshinori Isahaya
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
PROCESS FOR PRODUCING HIGHLY POLYMERIZED AROMATIC POLYCARBONATE RESIN
Publication number
20150274887
Publication date
Oct 1, 2015
Mitsubishi Gas Chemical Company, Inc.
Yoshinori Isahaya
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
PROCESS FOR PREPARING HIGHLY POLYMERIZED AROMATIC POLYCARBONATE RESIN
Publication number
20150267006
Publication date
Sep 24, 2015
Mitsubishi Gas Chemical Company, Inc.
Yoshinori Isahaya
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
METHOD FOR PRODUCING BRANCHED AROMATIC POLYCARBONATE RESIN
Publication number
20150232613
Publication date
Aug 20, 2015
Mitsubishi Gas Chemical Company, Inc.
Yoshinori Isahaya
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
METHOD FOR CONTINUOUS PRODUCTION OF HIGH MOLECULAR WEIGHT POLYCARBO...
Publication number
20150133611
Publication date
May 14, 2015
Mitsubishi Gas Chemical Company, Inc.
Yoshinori Isahaya
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
METHOD FOR CONTINUOUS PRODUCTION OF HIGH-MOLECULAR-WEIGHT POLYCARBO...
Publication number
20140371404
Publication date
Dec 18, 2014
Yoshinori Isahaya
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
HIGH-FLUIDITY POLYCARBONATE COPOLYMER, PROCESS FOR PRODUCTION HIGHL...
Publication number
20140206826
Publication date
Jul 24, 2014
Mitsubishi Gas Chemical Company, Inc.
Yoshinori Isahaya
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
PROCESS FOR MANUFACTURING BRANCHED AROMATIC POLYCARBONATE RESIN WIT...
Publication number
20130317182
Publication date
Nov 28, 2013
Mitsubishi Gas Chemical Company, Inc.
Yoshinori Isahaya
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...