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Keiichi Sakashita
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Otake, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Partially cyclized polyacrylonitrile polymer, polyacrylonitrile fla...
Patent number
10,087,075
Issue date
Oct 2, 2018
Mitsubishi Chemical Corporation
Hikaru Nakayama
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Chain transfer agent and emulsion polymerization using the same
Patent number
9,676,888
Issue date
Jun 13, 2017
Mitsubishi Chemical Corporation
Tetsuya Noda
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Molding material and molding
Patent number
9,534,065
Issue date
Jan 3, 2017
Mitsubishi Rayon Co., Ltd.
Fuminori Nakaya
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Chain transfer agent and emulsion polymerization using the same
Patent number
9,452,978
Issue date
Sep 27, 2016
Mitsubishi Rayon Co., Ltd.
Tetsuya Noda
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method for producing polymer using monomer having piperidine skelet...
Patent number
8,912,287
Issue date
Dec 16, 2014
Mitsubishi Rayon Co., Ltd.
Fuminori Nakaya
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Polymer composition, plastic optical fiber, plastic optical fiber c...
Patent number
7,512,309
Issue date
Mar 31, 2009
Mitsubishi Rayon Co, Ltd.
Amane Aoyagi
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Optically active .alpha.-substituted carboxylic acid derivatives an...
Patent number
5,773,240
Issue date
Jun 30, 1998
Mitsubishi Rayon Co., Ltd.
Eiji Ozaki
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Optically active compound having a .delta.-valerolactone ring and l...
Patent number
5,480,580
Issue date
Jan 2, 1996
Mitsubishi Rayon Company Ltd.
Keiichi Sakashita
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the stereoselective esterification of ascorbic or eryth...
Patent number
5,455,174
Issue date
Oct 3, 1995
Mitsubishi Rayon Company, Ltd.
Keiichi Sakashita
C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information
Patent Grant
Process for producing L-amino acids
Patent number
5,215,897
Issue date
Jun 1, 1993
Nitto Chemical Industries Co., Ltd.
Keiichi Sakashita
C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information
Patent Grant
Optical active compound and liquid crystal composition
Patent number
5,164,113
Issue date
Nov 17, 1992
Mitsubishi Rayon Co., Ltd.
Tetsuya Ikemoto
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Optically active compound
Patent number
5,149,462
Issue date
Sep 22, 1992
Mitsubishi Rayon Company Ltd.
Keiichi Sakashita
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Optically active substance and liquid crystal composition comprisin...
Patent number
5,124,069
Issue date
Jun 23, 1992
Mitsubishi Rayon Company Ltd.
Jun Nakauchi
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Optically active compound and liquid crystal composition
Patent number
5,098,599
Issue date
Mar 24, 1992
Mitsubishi Rayon Company Ltd.
Seiji Hayashi
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Optically active compound having XI-valerolactone ring and liquid c...
Patent number
5,045,228
Issue date
Sep 3, 1991
Mitsubishi Rayon Company Ltd.
Jun Nakauchi
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Mesomorphic compound having .beta.-hydroxycarboxyl group as chiral...
Patent number
4,925,591
Issue date
May 15, 1990
Mitsubishi Rayon Co., Ltd.
Jun Nakauchi
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Production of acrylamide using immobilized cells
Patent number
4,421,855
Issue date
Dec 20, 1983
Nitto Chemical Industry Co., Ltd.
Ichiro Watanabe
C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Patents Applications
last 30 patents
Information
Patent Application
NOVEL CHAIN TRANSFER AGENT AND EMULSION POLYMERIZATION USING THE SAME
Publication number
20170233502
Publication date
Aug 17, 2017
MITSUBISHI CHEMICAL CORPORATION
Tetsuya NODA
C07 - ORGANIC CHEMISTRY
Information
Patent Application
PARTIALLY CYCLIZED POLYACRYLONITRILE POLYMER, POLYACRYLONITRILE FLA...
Publication number
20160376151
Publication date
Dec 29, 2016
Mitsubishi Rayon Co., Ltd.
HIKARU NAKAYAMA
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information
Patent Application
NOVEL CHAIN TRANSFER AGENT AND EMULSION POLYMERIZATION USING THE SAME
Publication number
20160319063
Publication date
Nov 3, 2016
Mitsubishi Rayon Co., Ltd.
Tetsuya NODA
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
MOLDING MATERIAL AND MOLDING
Publication number
20140100345
Publication date
Apr 10, 2014
Mitsubishi Rayon Co., Ltd.
Fuminori Nakaya
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
NOVEL CHAIN TRANSFER AGENT AND EMULSION POLYMERIZATION USING THE SAME
Publication number
20120309900
Publication date
Dec 6, 2012
Mitsubishi Rayon Co., Ltd.
Tetsuya Noda
C07 - ORGANIC CHEMISTRY
Information
Patent Application
METHOD FOR PRODUCING POLYMER USING MONOMER HAVING PIPERIDINE SKELET...
Publication number
20120245318
Publication date
Sep 27, 2012
MITSUBISHI RAYON CO., LTD.
Fuminori Nakaya
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Polymer Composition, Plastic Optical Fiber, Plastic Optical Fiber C...
Publication number
20080166091
Publication date
Jul 10, 2008
Mitsubishi Rayon Co., Ltd.
Amane Aoyagi
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...