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Shoji Tamai
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Yokohama, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Binder for fuel cell, composition for forming electrode, electrode,...
Patent number
8,288,058
Issue date
Oct 16, 2012
Mitsui Chemicals, Inc.
Masahiro Toriida
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Crosslinkable aromatic resin having protonic acid group, and ion co...
Patent number
7,345,135
Issue date
Mar 18, 2008
Mitsui Chemicals, Inc.
Junichi Ishikawa
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Polyether ketone and method of producing the same
Patent number
7,217,780
Issue date
May 15, 2007
Mitsui Chemicals, Inc.
Masahiro Toriida
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Magnetic core and magnetic core-use adhesive resin composition
Patent number
6,917,275
Issue date
Jul 12, 2005
Mitsui Chemicals, Inc.
Takashi Ono
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for producing polyimide
Patent number
6,916,898
Issue date
Jul 12, 2005
Mitsui Chemicals, Inc.
Takashi Kuroki
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Polyimides and polyamic acids
Patent number
6,599,675
Issue date
Jul 29, 2003
Mitsui Chemicals, Inc.
Jun Kamada
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Polyimide containing crosslinkable group and process for producing...
Patent number
6,531,568
Issue date
Mar 11, 2003
Mitsui Chemicals, Inc.
Atsushi Shibuya
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Crystalline polyimide for melt molding with satisfactory thermal st...
Patent number
6,458,912
Issue date
Oct 1, 2002
Mitsui Chemicals, Inc.
Takashi Kuroki
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Polyimide resin composition
Patent number
6,103,806
Issue date
Aug 15, 2000
Mitsui Chemicals, Inc.
Hiroyasu Kido
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Polyimide resin compositions for optical filters
Patent number
5,916,488
Issue date
Jun 29, 1999
Mitsui Chemicals, Inc.
Keisuke Takuma
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for preparing isoimides
Patent number
5,892,061
Issue date
Apr 6, 1999
Mitsui Chemicals, Inc.
Kan Ikeda
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Polyimide resin compositions for optical filters
Patent number
5,868,968
Issue date
Feb 9, 1999
Mitsui Chemicals, Inc.
Keisuke Takuma
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Liquid crystal polyamide-imide copolymer
Patent number
5,821,319
Issue date
Oct 13, 1998
Mitsui Chemicals, Inc.
Atsushi Shibuya
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Polyimide based resin composition
Patent number
5,763,537
Issue date
Jun 9, 1998
Mitsui Toatsu Chemicals, Inc.
Tomomi Yoshimura
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for preparing polycondensation polymer compound
Patent number
5,719,256
Issue date
Feb 17, 1998
Mitsu Toatsu Chemicals, Inc.
Shoji Tamai
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Linear polyamic acid, linear polyimide and thermoset polyimide
Patent number
5,708,128
Issue date
Jan 13, 1998
Mitsui Toatsu Chemicals, Inc.
Hideaki Oikawa
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Resin forming compositions
Patent number
5,525,704
Issue date
Jun 11, 1996
Mitsui Toatsu Chemicals, Inc.
Shoji Tamai
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Polyimide
Patent number
5,508,377
Issue date
Apr 16, 1996
Mitsui Toatsu Chemicals, Inc.
Wataru Yamashita
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Polyimide resin composition having excellent fatigue resistance and...
Patent number
5,506,291
Issue date
Apr 9, 1996
Mitsui Toatsu Chemicals, Inc.
Yuichi Okawa
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Polyimides, process for the preparation thereof and polyimide resin...
Patent number
5,506,311
Issue date
Apr 9, 1996
Mitsui Toatsu Chemicals, Inc.
Shoji Tamai
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Polyimide resin composition
Patent number
5,494,996
Issue date
Feb 27, 1996
Mitsui Toatsu Chemicals Inc.
Shoji Tamai
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Bismaleimide compounds
Patent number
5,484,948
Issue date
Jan 16, 1996
Mitsui Toatsu Chemicals, Inc.
Keizaburo Yamaguchi
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Polyimide
Patent number
5,484,880
Issue date
Jan 16, 1996
Mitsui Toatsu Chemicals, Inc.
Wataru Yamashita
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Readily soluble, amorphous polyimide, and preparation process of same
Patent number
5,480,965
Issue date
Jan 2, 1996
Mitsui Toatsu Chemicals, Inc.
Wataru Yamashita
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Polyimide
Patent number
5,470,943
Issue date
Nov 28, 1995
Mitsui Toatsu Chemicals, Inc.
Yoshihiro Sakata
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Polyimides, process for the preparation thereof and polyimide resin...
Patent number
5,459,233
Issue date
Oct 17, 1995
Mitsui Toatsu Chemicals, Incorporated
Shoji Tamai
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Polyimides, process for the preparation thereof and polyimide resin...
Patent number
5,380,805
Issue date
Jan 10, 1995
Mitsui Toatsu Chemicals, Inc.
Shoji Tamai
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Formed polyimide article
Patent number
5,374,708
Issue date
Dec 20, 1994
Mitsui Toatsu Chemicals, Incorporated
Shoji Tamai
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information
Patent Grant
Amorphous polyimide powder, preparation process of the powder, and...
Patent number
5,371,168
Issue date
Dec 6, 1994
Mitsui Toatsu Chemicals, Inc.
Wataru Yamashita
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Aromatic diamine compounds, bismalemide compounds, thermosetting re...
Patent number
5,364,967
Issue date
Nov 15, 1994
Mitsui Toatsu Chemicals, Inc.
Keizaburo Yamaguchi
C07 - ORGANIC CHEMISTRY
Patents Applications
last 30 patents
Information
Patent Application
Binder for Fuel Cell, Composition for Forming Electrode, Electrode,...
Publication number
20070292733
Publication date
Dec 20, 2007
Mitsui Chemicals, Inc.
Masahiro Toriida
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Fuel cell and method for producing same
Publication number
20060251951
Publication date
Nov 9, 2006
Takeshi Obata
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
Polyether ketone and method for production thereof
Publication number
20050085597
Publication date
Apr 21, 2005
Masahiro Toriida
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Crosslinkable aromatic resin having protonic acid group, and ion co...
Publication number
20040191602
Publication date
Sep 30, 2004
MITSUI CHEMICALS, INC.
Junichi Ishikawa
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Magnetic core and magnetic core-use adhesive resin composition
Publication number
20040137247
Publication date
Jul 15, 2004
Takashi Ono
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Process for producing polyimide
Publication number
20030158370
Publication date
Aug 21, 2003
Takashi Kuroki
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Optical members made of polymide resins
Publication number
20030064235
Publication date
Apr 3, 2003
Yuichi Okawa
G02 - OPTICS
Information
Patent Application
Polyimides and polyamic acids
Publication number
20020182536
Publication date
Dec 5, 2002
Jun Kamada
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...