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Takashi Ohashi
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Yokohama, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Method for producing polyolefin foam sheet
Patent number
5,198,271
Issue date
Mar 30, 1993
Bridgestone Corporation
Seiji Ishii
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Foamable phenolic resin composition and process for preparation the...
Patent number
5,137,931
Issue date
Aug 11, 1992
Asahi Yukizai Kogyo Co., Ltd.
Syuji Okumura
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Method for producing a low-density flexible polyurethane foam
Patent number
5,130,346
Issue date
Jul 14, 1992
Bridgestone Corporation
Seiji Ishii
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for producing flexible polyurethane foam
Patent number
5,093,378
Issue date
Mar 3, 1992
Bridgestone Corporation
Takumi Ishiwaka
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Method of making an electrically conductive polyurethane foam
Patent number
5,082,870
Issue date
Jan 21, 1992
Bridgestone Corporation
Hiroya Fukuda
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Method for producing phenol resin foams and method of making foamed...
Patent number
5,008,297
Issue date
Apr 16, 1991
Bridgestone Corporation
Akihiro Maruyama
B32 - LAYERED PRODUCTS
Information
Patent Grant
Method of making a composite panel of a foam material
Patent number
4,938,819
Issue date
Jul 3, 1990
Bridgestone Corporation
Seiji Ishii
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Platen roll
Patent number
4,887,923
Issue date
Dec 19, 1989
Bridgestone Corporation
Takumi Ishiwaka
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Laminated product
Patent number
4,842,926
Issue date
Jun 27, 1989
Bridgestone Corporation
Eiji Sawa
B32 - LAYERED PRODUCTS
Information
Patent Grant
Method of manufacturing molded products and laminated structure inc...
Patent number
4,830,916
Issue date
May 16, 1989
Bridgestone Corporation
Hiroya Fukuda
B32 - LAYERED PRODUCTS
Information
Patent Grant
Process for producing asphalt-blended polyurethane foams
Patent number
4,737,524
Issue date
Apr 12, 1988
Bridgestone Corporation
Masayuki Ako
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...