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Yoshinori ISAHAYA
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Ibaraki, JP
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Patents Grants
last 30 patents
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
Diaryl carbonate and method for producing the same, and method for...
Patent number
11,142,506
Issue date
Oct 12, 2021
Mitsubishi Gas Chemical Company, Inc.
Hidefumi Harada
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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-...
Information
Patent Grant
Process for production of highly polymerized aromatic polycarbonate...
Patent number
8,674,053
Issue date
Mar 18, 2014
Mitsubishi Gas Chemical Company, Inc.
Yoshinori Isahaya
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Polycarbonate resin composition and method of producing the same
Patent number
8,026,336
Issue date
Sep 27, 2011
Mitsubishi Gas Chemical Company, Inc.
Noriyuki Kato
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Aromatic-aliphatic copolycarbonate and process for producing the same
Patent number
6,376,641
Issue date
Apr 23, 2002
Mitsubishi Gas Chemical Company, Inc.
Satoshi Nagai
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Aromatic-aliphatic copolycarbonate and process for producing the same
Patent number
6,359,103
Issue date
Mar 19, 2002
Mitsubishi Gas Chemical Company, Inc.
Satoshi Nagai
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for producing aromatic-aliphatic copolycarbonate
Patent number
6,271,336
Issue date
Aug 7, 2001
Mitsubishi Gas Chemical Company, Inc.
Hiromitsu Nagashima
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Copolycarbonate resin and resin composition comprising the same
Patent number
5,910,562
Issue date
Jun 8, 1999
Mitsubishi Gas Chemical Company, Inc.
Mitsuo Miura
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Aliphatic polyester carbonate and process for producing the same
Patent number
5,654,380
Issue date
Aug 5, 1997
Mitsubishi Gas Chemical Company, Inc.
Ryozo Kawai
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Patents Applications
last 30 patents
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
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
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
DIARYL CARBONATE AND METHOD FOR PRODUCING THE SAME, AND METHOD FOR...
Publication number
20200140399
Publication date
May 7, 2020
Mitsubishi Gas Chemical Company, Inc.
Hidefumi HARADA
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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
DIARYL CARBONATE AND METHOD FOR PRODUCING THE SAME, AND METHOD FOR...
Publication number
20180290989
Publication date
Oct 11, 2018
Mitsubishi Gas Chemical Company, Inc.
Hidefumi HARADA
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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-...
Information
Patent Application
PROCESS FOR PRODUCTION OF HIGHLY POLYMERIZED AROMATIC POLYCARBONATE...
Publication number
20130197166
Publication date
Aug 1, 2013
Mitsubishi Gas Chemical Company, Inc.
Yoshinori Isahaya
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
POLYCARBONATE RESIN COMPOSITION AND METHOD OF PRODUCING THE SAME
Publication number
20100210811
Publication date
Aug 19, 2010
Mitsubishi Gas Chemical Company, Inc.
Noriyuki KATO
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Polymerizable Composition
Publication number
20080097045
Publication date
Apr 24, 2008
Yoshinori Isahaya
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Aromatic-aliphatic copolycarbonate resin composition
Publication number
20040063825
Publication date
Apr 1, 2004
Satoshi Nagai
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
AROMATIC-ALIPHATIC COPOLYCARBONATE AND PROCESS FOR PRODUCING THE SAME
Publication number
20020013445
Publication date
Jan 31, 2002
SATOSHI NAGAI
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Process for producing aromatic-aliphatic copolycarbonate
Publication number
20010002418
Publication date
May 31, 2001
Hiromitsu Nagashima
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...