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Shigeaki Kobayashi
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Yokohama-shi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Method of producing a microporous polyolefin membrane
Patent number
8,075,818
Issue date
Dec 13, 2011
Toray Tonen Specialty Separator Godo Kaisha
Hidehiko Funaoka
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Microporous polyolefin membrane, and method of producing the same
Patent number
7,815,825
Issue date
Oct 19, 2010
Tonen Chemical Corporation
Hidehiko Funaoka
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Microporous composite membrane and its producing method and use
Patent number
7,785,735
Issue date
Aug 31, 2010
Tonen Chemical Corporation
Norimitsu Kaimai
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Microporous polyolefin membrane, and method of producing the same
Patent number
7,479,243
Issue date
Jan 20, 2009
Tonen Chemical Corporation
Hidehiko Funaoka
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Microporous polyolefin film and process for producing the same
Patent number
6,824,865
Issue date
Nov 30, 2004
Tonen Chemical Corporation
Hidehiko Funaoka
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Microporous polyolefin film and process for producing the same
Patent number
6,666,969
Issue date
Dec 23, 2003
Tonen Chemical Corporation
Hidehiko Funaoka
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Polyolefin microporous film and method for preparing the same
Patent number
6,566,012
Issue date
May 20, 2003
Tonen Chemical Corporation
Kotaro Takita
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Polyolefin microporous film and method for preparing the same
Patent number
6,245,272
Issue date
Jun 12, 2001
Tonen Chemical Corporation
Kotaro Takita
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Patents Applications
last 30 patents
Information
Patent Application
Microporous polyolefin membrane, and method of producing the same
Publication number
20090098449
Publication date
Apr 16, 2009
Tonen Chemical Corporation
Hidehiko Funaoka
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
Microporous composite membrane and its producing method and use
Publication number
20070128512
Publication date
Jun 7, 2007
Norimitsu Kaimai
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Microporous polyolefin membrane, and method of producing the same
Publication number
20050098913
Publication date
May 12, 2005
Tonen Chemical Corporation
Hidehiko Funaoka
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
Method of producing a microporous polyolefin membrane
Publication number
20050058823
Publication date
Mar 17, 2005
Tonen Chemical Corporation
Hidehiko Funaoka
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL