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Hidetoshi Hayashi
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Omuta-shi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Polymerizable composition for polythiourethane optical material
Patent number
9,290,656
Issue date
Mar 22, 2016
Mitsui Chemicals, Inc.
Hidetoshi Hayashi
G11 - INFORMATION STORAGE
Information
Patent Grant
Polymerizable composition, and resin and optical part using the same
Patent number
8,637,633
Issue date
Jan 28, 2014
Mitsui Chemicals, Inc.
Mitsuo Nakamura
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Method for producing 3-mercaptopropionic acid or salt thereof
Patent number
8,637,277
Issue date
Jan 28, 2014
Mitsui Chemicals, Inc.
Tadashi Araki
C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information
Patent Grant
Polymerization catalyst for polythiourethane optical material, poly...
Patent number
8,586,695
Issue date
Nov 19, 2013
Mitsui Chemicals, Inc.
Nobuo Kawato
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Polymerization catalyst for polythiourethane-based optical material...
Patent number
8,586,694
Issue date
Nov 19, 2013
Mitsui Chemicals, Inc.
Masanori Iwazumi
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Polymerizable composition for optical material, optical material, a...
Patent number
8,434,866
Issue date
May 7, 2013
Mitsui Chemicals, Inc.
Hidetoshi Hayashi
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Metal thietane compound, polymerizable composition containing the c...
Patent number
8,426,551
Issue date
Apr 23, 2013
Mitsui Chemicals, Inc.
Masakazu Murakami
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Thietane compound, polymerizable composition containing the same, r...
Patent number
8,362,280
Issue date
Jan 29, 2013
Mitsui Chemicals, Inc.
Hironori Kuboi
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Metal thietane compound, polymerizable composition containing the c...
Patent number
8,293,864
Issue date
Oct 23, 2012
Mitsui Chemicals, Inc.
Masakazu Murakami
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for production of isocyanate, isocyanate produced by the pr...
Patent number
8,183,407
Issue date
May 22, 2012
Mitsui Chemicals, Inc.
Chitoshi Shimakawa
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Internal mold release agent for production of polythiourethane opti...
Patent number
8,022,163
Issue date
Sep 20, 2011
Mitsui Chemicals, Inc.
Masanori Iwazumi
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for producing α, α-difluorocycloalkane compound
Patent number
6,686,509
Issue date
Feb 3, 2004
Mitsui Chemicals, Inc.
Kouki Fukumura
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for producing 1,3-bis(3-aminophenoxy)benzene
Patent number
6,664,425
Issue date
Dec 16, 2003
Mitsui Chemicals, Inc.
Naoki Tomoshige
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Halogenating agents
Patent number
6,632,949
Issue date
Oct 14, 2003
Mitsui Chemicals, Inc.
Hiroshi Sonoda
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Nitrogen-based halogenating agents and process for preparing haloge...
Patent number
6,458,990
Issue date
Oct 1, 2002
Mitsui Chemicals, Inc.
Hiroshi Sonoda
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Fluorination agent and preparation and use of same
Patent number
6,417,361
Issue date
Jul 9, 2002
Mitsui Chemicals, Inc.
Hidetoshi Hayashi
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for producing fluorinated silicon compound
Patent number
6,344,579
Issue date
Feb 5, 2002
Mitsui Chemicals, Inc.
Kouki Fukumura
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Nitrogen-based halogenating agents and process for preparing haloge...
Patent number
6,329,529
Issue date
Dec 11, 2001
Mitsui Chemicals, Inc.
Hiroshi Sonoda
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Preparation process of fluorine substituted aromatic compound
Patent number
6,242,654
Issue date
Jun 5, 2001
Mitsui Chemicals, Inc.
Kenichi Goto
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Tetraalkylfluoroformamidinium trifluoroacetate and preparation proc...
Patent number
6,222,046
Issue date
Apr 24, 2001
Mitsui Chemicals, Inc.
Hidetoshi Hayashi
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for preparing acetylene derivative from a ketone compound
Patent number
6,127,583
Issue date
Oct 3, 2000
Mitsui Chemicals, Inc.
Hiroshi Sonoda
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Preparation process of acyl halide or sulfonyl halide
Patent number
5,750,779
Issue date
May 12, 1998
Mitsui Toatsu Chemicals, Inc.
Teruyuki Nagata
C07 - ORGANIC CHEMISTRY
Patents Applications
last 30 patents
Information
Patent Application
Metal Thietane Compound, Polymerizable Composition Containing the C...
Publication number
20130018169
Publication date
Jan 17, 2013
MITSUI CHEMICALS, INC.
Masakazu Murakami
G02 - OPTICS
Information
Patent Application
Polymerizable Composition, and Resin and Optical Part Using the Same
Publication number
20130005934
Publication date
Jan 3, 2013
MITSUI CHEMICALS, INC.
Mitsuo Nakamura
G02 - OPTICS
Information
Patent Application
METHOD FOR PRODUCING 3-MERCAPTOPROPIONIC ACID OR SALT THEREOF
Publication number
20120040418
Publication date
Feb 16, 2012
MITSUI CHEMICALS INC.
Tadashi Araki
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
POLYMERIZABLE COMPOSITION FOR POLYTHIOURETHANE OPTICAL MATERIAL
Publication number
20110190466
Publication date
Aug 4, 2011
Hidetoshi Hayashi
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
THIETANE COMPOUND, POLYMERIZABLE COMPOSITION CONTAINING THE SAME, R...
Publication number
20110118412
Publication date
May 19, 2011
MITSUI CHEMICALS, INC.
Hironori Kuboi
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
POLYMERIZATION CATALYST FOR POLYTHIOURETHANE OPTICAL MATERIAL, POLY...
Publication number
20110065884
Publication date
Mar 17, 2011
MITSUI CHEMICALS, INC.
Nobuo Kawato
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
POLYMERIZABLE COMPOSITION, AND RESIN AND OPTICAL PART USING THE SAME
Publication number
20100298519
Publication date
Nov 25, 2010
MITSUI CHEMICALS, INC.
Mitsuo Nakamura
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
METAL THIETANE COMPOUND, POLYMERIZABLE COMPOSITION CONTAINING THE C...
Publication number
20100240862
Publication date
Sep 23, 2010
MITSUI CHEMICALS, INC.
Masakazu Murakami
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
INTERNAL MOLD RELEASE AGENT FOR PRODUCTION OF POLYTHIOURETHANE OPTI...
Publication number
20100234498
Publication date
Sep 16, 2010
Mitsui Chemicals, Inc.
Masanori Iwazumi
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
POLYMERIZABLE COMPOSITION FOR OPTICAL MATERIAL, OPTICAL MATERIAL, A...
Publication number
20100075154
Publication date
Mar 25, 2010
MITSUI CHEMICALS, INC.
Hidetoshi HAYASHI
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
POLYMERIZABLE COMPOSITION, RESIN USING THE SAME, OPTICAL COMPONENT...
Publication number
20100063246
Publication date
Mar 11, 2010
MITSUI CHEMICALS, INC.
Shinichi Usugi
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
POLYMERIZATION CATALYST FOR POLYTHIOURETHANE OPTICAL MATERIAL, POLY...
Publication number
20100029890
Publication date
Feb 4, 2010
Mitsui Chemicals, Inc.
Nobuo Kawato
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
POLYMERIZATION CATALYST FOR POLYTHIOURETHANE-BASED OPTICAL MATERIAL...
Publication number
20100016517
Publication date
Jan 21, 2010
MITSUI CHEMICALS, INC.
Masanori Iwazumi
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Process for production of isocyanate, isocyanate produced by the pr...
Publication number
20090124785
Publication date
May 14, 2009
MITSUI CHEMICALS, INC.
Chitoshi Shimakawa
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Process for producing 1,3-bis (3-aminophenoxy) benzene
Publication number
20030078454
Publication date
Apr 24, 2003
Naoki Tomoshige
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Process for producing alpha, alpha-difluorocycloalkane compound
Publication number
20030078460
Publication date
Apr 24, 2003
Kouki Fukumura
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Halogenating agents
Publication number
20030004348
Publication date
Jan 2, 2003
Hiroshi Sonoda
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Nitrogen-based halogenating agents and process for preparing haloge...
Publication number
20020042521
Publication date
Apr 11, 2002
Hiroshi Sonoda
C07 - ORGANIC CHEMISTRY