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Masashi Sugiya
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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Method for producing optically active 1,2-bis(dialkylphosphino)benz...
Patent number
8,957,233
Issue date
Feb 17, 2015
Nippon Chemical Industrial Co., Ltd.
Ken Tamura
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
2, 2′-bis (dialkylphosphino) biphenyl compound, production method t...
Patent number
8,198,471
Issue date
Jun 12, 2012
Nippon Chemical Industrial Co., Ltd.
Ken Tamura
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Powdery silica composite particles and process for producing the sa...
Patent number
8,114,212
Issue date
Feb 14, 2012
Nippon Chemical Industrial Co., Ltd.
Hideo Sawada
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Catalyst for curing epoxy resins, method for making the same, epoxy...
Patent number
6,649,728
Issue date
Nov 18, 2003
Nippon Chemical Industrial Co., Ltd.
Hiroshi Kawakabe
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
1,2-bis(methyl(1,1,3,3-tetramethylbutyl)-phosphino)ethane, process...
Patent number
6,603,032
Issue date
Aug 5, 2003
Nippon Chemical Industries Co., Ltd.
Masashi Sugiya
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method of producing bisphosphine oxide
Patent number
6,214,196
Issue date
Apr 10, 2001
Nippon Chemical Industrial Co., Ltd.
Masashi Sugiya
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Grant
Optically active phosphine oxide carboxylic acid and method of prod...
Patent number
6,177,591
Issue date
Jan 23, 2001
Nippon Chemical Industrial Co., Ltd.
Masashi Sugiya
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method of producing optically active vinyl phosphine oxide
Patent number
6,121,494
Issue date
Sep 19, 2000
Nippon Chemical Industrial Co., Ltd.
Masashi Sugiya
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for preparing a phosphonium salt compound having an acryl g...
Patent number
6,080,885
Issue date
Jun 27, 2000
Nippon Chemical Industrial Co., Ltd.
Masashi Sugiya
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Highly pure monoalkylphosphine and method for producing same
Patent number
6,025,525
Issue date
Feb 15, 2000
Nippon Chemical Industrial Co., Ltd.
Masashi Sugiya
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Bis (1,1,3,3-tetramethylbutyl) phosphinic acid compound, a producti...
Patent number
5,925,784
Issue date
Jul 20, 1999
Nippon Chemical Industrial Co., Ltd.
Masashi Sugiya
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Highly pure monoalkylphosphine and method for producing same
Patent number
5,892,120
Issue date
Apr 6, 1999
Nippon Chemical Industrial Co., Ltd.
Masashi Sugiya
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Bis(1,1,3,3-tetramethylbutyl) phosphinic acid compound, a productio...
Patent number
5,872,279
Issue date
Feb 16, 1999
Nippon Chemical Industrial Co., Ltd.
Masashi Sugiya
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method of producing a bis(2-carboxyethyl)alkyl phosphine oxide and...
Patent number
5,679,849
Issue date
Oct 21, 1997
Nippon Chemical Industrial Co., Ltd.
Masashi Sugiya
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Bifunctional alkyl phosphine oxide and production method thereof
Patent number
5,663,419
Issue date
Sep 2, 1997
Nippon Chemical Industrial Co., Ltd.
Masashi Sugiya
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Monoalkylphosphine and method of producing the same
Patent number
5,536,880
Issue date
Jul 16, 1996
Nippon Chemical Industrial Co., Ltd.
Masashi Sugiya
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Highly pure monoalkylphosphine
Patent number
5,354,918
Issue date
Oct 11, 1994
Shin-Etsu Chemical Co., Ltd.
Hiromi Ohsaki
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Agent and method for treating wool fibers wherein the agent is tris...
Patent number
5,147,409
Issue date
Sep 15, 1992
Nippon Chemical Industrial Co., Ltd.
Seiji Shimura
D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Patents Applications
last 30 patents
Information
Patent Application
METHOD FOR PRODUCING OPTICALLY ACTIVE 1,2-BIS(DIALKYLPHOSPHINO)BENZ...
Publication number
20130172597
Publication date
Jul 4, 2013
NIPPON CHEMICAL INDUSTRIAL CO., LTD.
Ken Tamura
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
CURING ACCELERATOR FOR DEEP-ULTRAVIOLET-TRANSMITTING EPOXY RESIN, D...
Publication number
20100267980
Publication date
Oct 21, 2010
NIPPON CHEMICAL INDUSTRIAL CO., LTD.
Katsuhiko Tsunashima
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
2, 2'-BIS (DIALKYLPHOSPHINO) BIPHENYL COMPOUND, PRODUCTION METHOD T...
Publication number
20100234626
Publication date
Sep 16, 2010
NIPPON CHEMICAL INDUSTRIAL CO., LTD.
Ken Tamura
C07 - ORGANIC CHEMISTRY
Information
Patent Application
POWDERY SILICA COMPOSITE PARTICLES AND PROCESS FOR PRODUCING THE SA...
Publication number
20090203820
Publication date
Aug 13, 2009
NIPPON CHEMICAL INDUSTRIAL CO., LTD.
Hideo SAWADA
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
CURING ACCELERATOR FOR DEEP-ULTRAVIOLET-TRANSMITTING EPOXY RESIN, D...
Publication number
20090118442
Publication date
May 7, 2009
NIPPON CHEMICAL INDUSTRIAL CO., LTD.
Katsuhiko Tsunashima
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
ANTISTATIC AGENTS FOR RESINS, ANTISTATIC RESIN COMPOSITIONS, AND AN...
Publication number
20090069472
Publication date
Mar 12, 2009
NIPPON CHEMICAL INDUSTRIAL CO., LTD.
Hiroshi Kawakabe
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
POWDERY SILICA COMPOSITE PARTICLES, PROCESS OF PRODUCING SAME, SILI...
Publication number
20090047518
Publication date
Feb 19, 2009
NIPPON CHEMICAL INDUSTRIAL CO., LTD.
Hideo Sawada
B82 - NANO-TECHNOLOGY
Information
Patent Application
POWDERY THREE-DIMENSIONALLY CROSSLINKED CLATHRATE PARTICLE, PROCESS...
Publication number
20090036599
Publication date
Feb 5, 2009
NIPPON CHEMICAL INDUSTRIAL CO., LTD.
Hideo Sawada
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Antistatic agents for resins, antistatic resin compositions, and mo...
Publication number
20060100326
Publication date
May 11, 2006
NIPPPON CHEMICAL INDUSTRIAL CO., LTD
Hiroshi Kawakabe
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Catalyst for curing epoxy resins, method for making the same, epoxy...
Publication number
20030109378
Publication date
Jun 12, 2003
Hiroshi Kawakabe
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...