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Tsuneo IMAMOTO
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Chiba, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Optically active bisphosphinomethane, method for producing the same...
Patent number
11,498,935
Issue date
Nov 15, 2022
Nippon Chemical Industrial Co., Ltd.
Tsuneo Imamoto
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Phosphine transition metal complex, method for producing same, and...
Patent number
11,180,516
Issue date
Nov 23, 2021
Nippon Chemical Industrial Co., Ltd.
Kazuhiro Nakatsui
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
2,3-bisphosphinopyrazine derivative, method for producing same, tra...
Patent number
11,084,835
Issue date
Aug 10, 2021
Nippon Chemical Industrial Co., Ltd.
Hajime Ito
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Optically active substituted 2,3-bisphosphinoquinoxalines and proce...
Patent number
11,053,265
Issue date
Jul 6, 2021
Nippon Chemical Industrial Co., Ltd.
Hajime Ito
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Process for preparing optically active 2,3-bisphosphino-substituted...
Patent number
11,021,500
Issue date
Jun 1, 2021
Nippon Chemical Industrial Co., Ltd.
Tsuneo Imamoto
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Device and method for evaluating organic material for organic solar...
Patent number
9,029,571
Issue date
May 12, 2015
Nippon Chemical Industrial Co., Ltd.
Zhenfeng Zhang
C07 - ORGANIC CHEMISTRY
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
Process of preparing optically active allyl compound
Patent number
8,076,480
Issue date
Dec 13, 2011
National University Corporation Chiba University
Tsuneo Imamoto
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Bis(phosphine) boronium salt, production method of bis(phosphine) b...
Patent number
7,723,548
Issue date
May 25, 2010
Japan Science and Technology Agency
Kentaro Yamaguchi
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process of preparing optically active β-hydroxycarboxylic acid deri...
Patent number
7,649,117
Issue date
Jan 19, 2010
National University Corporation Chiba University
Tsuneo Imamoto
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
2, 3-bis(dialkylphosphino)pyrazine derivative, process of producing...
Patent number
7,608,709
Issue date
Oct 27, 2009
National University Corporation Chiba University
Tsuneo Imamoto
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Optically-active bis(alkynylphosphino) ethane-borane derivative and...
Patent number
7,534,920
Issue date
May 19, 2009
Nippon Chemical Industrial Co., Ltd.
Tsuneo Imamoto
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for producing optically active phosphorus heterocyclic dimer
Patent number
7,411,096
Issue date
Aug 12, 2008
Nippon Chemical Industrial Co., Ltd.
Nobuhiko Oohara
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
1, 2-bis(dialkylphosphino) benzene derivates having optical activit...
Patent number
6,194,593
Issue date
Feb 27, 2001
Nippon Chemical Industrial Co., Ltd.
Tsuneo Imamoto
C07 - ORGANIC CHEMISTRY
Patents Applications
last 30 patents
Information
Patent Application
OPTICALLY ACTIVE BISPHOSPHINOMETHANE, METHOD FOR PRODUCING THE SAME...
Publication number
20220204537
Publication date
Jun 30, 2022
NIPPON CHEMICAL INDUSTRIAL CO., LTD.
Tsuneo Imamoto
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
PHOSPHINE TRANSITION METAL COMPLEX, METHOD FOR PRODUCING SAME, AND...
Publication number
20210253612
Publication date
Aug 19, 2021
NIPPON CHEMICAL INDUSTRIAL CO., LTD.
Kazuhiro Nakatsui
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
2,3-BISPHOSPHINOPYRAZINE DERIVATIVE, METHOD FOR PRODUCING SAME, TRA...
Publication number
20210047351
Publication date
Feb 18, 2021
NIPPON CHEMICAL INDUSTRIAL CO., LTD.
Hajime Ito
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
OPTICALLY ACTIVE 2,3-BISPHOSPHINOPYRAZINE DERIVATIVE, METHOD FOR PR...
Publication number
20200377536
Publication date
Dec 3, 2020
NIPPON CHEMICAL INDUSTRIAL CO., LTD.
Hajime Ito
C07 - ORGANIC CHEMISTRY
Information
Patent Application
METHOD FOR PRODUCING 2,3-BISPHOSPHINOPYRAZINE DERIVATIVE, AND METHO...
Publication number
20200247833
Publication date
Aug 6, 2020
NIPPON CHEMICAL INDUSTRIAL CO., LTD.
Tsuneo Imamoto
C07 - ORGANIC CHEMISTRY
Information
Patent Application
DEVICE AND METHOD FOR EVALUATING ORGANIC MATERIAL FOR ORGANIC SOLAR...
Publication number
20140213800
Publication date
Jul 31, 2014
NIPPON CHEMICAL INDUSTRIAL CO., LTD.
Zhenfeng Zhang
C07 - ORGANIC CHEMISTRY
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
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
BIS(PHOSPHINE) BORONIUM SALT, PRODUCTION METHOD OF BIS(PHOSPHINE) B...
Publication number
20090062567
Publication date
Mar 5, 2009
Japan Science and Technology Agency
Kentaro Yamaguchi
C07 - ORGANIC CHEMISTRY
Information
Patent Application
PROCESS OF PREPARING OPTICALLY ACTIVE B-HYDROXYCARBOXYLIC ACID DERI...
Publication number
20090030231
Publication date
Jan 29, 2009
NATIONAL UNIVERSITY CORPORATION CHIBA UNIVERSITY
Tsuneo IMAMOTO
C07 - ORGANIC CHEMISTRY
Information
Patent Application
PROCESS OF PREPARING OPTICALLY ACTIVE ALLYL COMPOUND
Publication number
20090030200
Publication date
Jan 29, 2009
NATIONAL UNIVERSITY CORPORATION CHIBA UNIVERSITY
Tsuneo IMAMOTO
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Optically-active bis(alkynylphosphino) ethane-borane derivative and...
Publication number
20080221362
Publication date
Sep 11, 2008
NIPPON CHEMICAL INDUSTRIAL CO., LTD.
Tsuneo Imamoto
C07 - ORGANIC CHEMISTRY
Information
Patent Application
2, 3-Bis(dialkylphosphino)pyrazine derivative, process of producing...
Publication number
20070021610
Publication date
Jan 25, 2007
Tsuneo Imamoto
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Process for producing optically active dimer of phosphorus heterocycle
Publication number
20060211888
Publication date
Sep 21, 2006
Nobuhiko Oohara
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Novel optically active phosphorus-chiral diphosphetanes, intermedia...
Publication number
20060189818
Publication date
Aug 24, 2006
Nobuhiko Oohara
C07 - ORGANIC CHEMISTRY