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Yoshitomo NAKATA
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Osaka, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Polymer for medical device, medical device material and medical dev...
Patent number
10,391,205
Issue date
Aug 27, 2019
NATIONAL UNIVERSITY CORPORATION YAMAGATA UNIVERSITY
Masaru Tanaka
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Vinylpyrrolidone-based copolymer and a method for production thereof
Patent number
7,851,568
Issue date
Dec 14, 2010
Nippon Shokubai Co., Ltd.
Daisuke Imai
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Hydraulic composition
Patent number
7,345,103
Issue date
Mar 18, 2008
Nippon Shokubai Co., Ltd
Yoshitomo Nakata
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
N-vinyl amide polymer and production method thereof
Patent number
7,214,753
Issue date
May 8, 2007
Nippon Shokubai Co., Ltd.
Yoshitomo Nakata
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Vinylpyrrolidone (co)polymer
Patent number
6,642,333
Issue date
Nov 4, 2003
Nippon Shokubai Co., Ltd.
Yoshitomo Nakata
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Vinylpyrrolidone polymer and its stabilization and preservation pro...
Patent number
6,498,231
Issue date
Dec 24, 2002
Nippon Shokubai Co., Ltd.
Daijo Tomihisa
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Vinylpyrrolidone polymer and its stabilization and preservation pro...
Patent number
6,346,600
Issue date
Feb 12, 2002
Nippon Shokubai Co., Ltd.
Daijo Tomihisa
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Cyclic imino ether group containing polymer and production process...
Patent number
6,100,366
Issue date
Aug 8, 2000
Nippon Shokubai Co., Ltd.
Yoshitomo Nakata
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Patents Applications
last 30 patents
Information
Patent Application
POLYMER FOR MEDICAL DEVICE, MEDICAL DEVICE MATERIAL AND MEDICAL DEV...
Publication number
20170157304
Publication date
Jun 8, 2017
National University Corporation Yamagata University
Masaru TANAKA
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
Low Birefringent Copolymers
Publication number
20100168363
Publication date
Jul 1, 2010
Ken-ichi Ueda
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
POLARIZER PROTECTIVE FILM, POLARIZING PLATE, AND IMAGE DISPLAY APPA...
Publication number
20100020396
Publication date
Jan 28, 2010
Nippon Shokubai Co., Ltd.
Hiroko Izumi
G02 - OPTICS
Information
Patent Application
VINYLPYRROLIDONE POLYMER SOLUTION, PROCESS FOR PRODUCING THE SAME,...
Publication number
20090124775
Publication date
May 14, 2009
NIPPON SHOKUBAI CO., LTD
Takashi Miyai
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Vinylpyrrolidone/Vinyl Acetate Copolymer, Process for Producing the...
Publication number
20080247981
Publication date
Oct 9, 2008
NIPPON SHOKUBAI CO., LTD
Daisuke Imai
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Amorphous Thermoplastic Resin and Extruded Film or Sheet
Publication number
20080220235
Publication date
Sep 11, 2008
Nippon Shokubai Co Ltd
Hiroko Izumi
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Vinylpyrrolidone-based copolymer and a method for production thereof
Publication number
20080154001
Publication date
Jun 26, 2008
Daisuke Imai
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
N-vinyl amide polymer and production method thereof
Publication number
20050215740
Publication date
Sep 29, 2005
Nippon Shokubai Co., Ltd.
Yoshitomo Nakata
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Hydraulic composition
Publication number
20050045070
Publication date
Mar 3, 2005
Nippon Shokubai Co., Ltd.
Yoshitomo Nakata
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
VINYLPYRROLIDONE (CO)POLYMER
Publication number
20030191260
Publication date
Oct 9, 2003
Yoshitomo Nakata
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Curable resin composition and product treated by the same
Publication number
20020156218
Publication date
Oct 24, 2002
NIPPON SHOKUBAI CO., LTD.
Yoshitomo Nakata
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
Vinylpyrrolidone polymer and its stabilization and preservation pro...
Publication number
20020058782
Publication date
May 16, 2002
Daijo Tomihisa
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...