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Yasuo Sakaguchi
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Iwaki, JP
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last 30 patents
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Patent Grant
Electronic device sealing resin compositions and sealed electronic...
Patent number
5,474,828
Issue date
Dec 12, 1995
Kureha Kagaku Kogyo K.K.
Toshitaka Kouyama
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Electronic device sealing resin compositions and sealed electronic...
Patent number
5,332,770
Issue date
Jul 26, 1994
Kureha Kagaku Kogyo K.K.
Toshitaka Kouyama
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Poly(arylene thioether) resin compositions and extruded products th...
Patent number
5,256,743
Issue date
Oct 26, 1993
Kureha Kagaku Kogyo K.K.
Toshio Enoki
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Method for activating infusibilized pitch beads
Patent number
5,236,688
Issue date
Aug 17, 1993
Kureha Kagaku Kogyo Kabushiki Kaisha
Kunio Watanabe
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Electronic device sealing resin compositions and sealed electronic...
Patent number
5,223,557
Issue date
Jun 29, 1993
Kureha Kagaku Kogyo K.K.
Keiichiro Suzuki
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Melt-stable poly(arylene thioether-ketone) prepregs and molded or f...
Patent number
5,110,681
Issue date
May 5, 1992
Kureha Kagaku Kogyo K.K.
Yoshikatsu Satake
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Heat-resistant resin compositions, and heat-resistant molded or for...
Patent number
5,085,819
Issue date
Feb 4, 1992
Kureha Kabaku Kogyo K.K.
Yoshikatsu Satake
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Fluidized-bed reaction apparatus and a fludizing bed reaction proce...
Patent number
4,931,259
Issue date
Jun 5, 1990
Kureha Kagaku Kogyo Kabushiki Kaisha
Tsuneo Okamoto
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Molded product of polyarylene thioether and the use thereof
Patent number
4,921,758
Issue date
May 1, 1990
Kureha Kagaku Kogyo Kabushiki Kaisha
Kiyoshi Tagaya
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Fluidized-bed activation furnace for activated carbon
Patent number
4,898,533
Issue date
Feb 6, 1990
Kureha Kagaku Kogyo Kabushiki Kaisha
Tsuneo Okamoto
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Heat-resistant resin compositions, and heat-resistant molded or for...
Patent number
4,895,893
Issue date
Jan 23, 1990
Kureha Kagaku Kogyo K.K.
Yoshikatsu Satake
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for producing carbon fibers and the carbon fibers produced...
Patent number
4,863,708
Issue date
Sep 5, 1989
Kureha Kagaku Kogyo Kabushiki Kaisha
Ikuo Seo
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information
Patent Grant
Fiber-reinforced cement material and molded article comprising hard...
Patent number
4,781,994
Issue date
Nov 1, 1988
Kureha Kagaku Kogyo Kabushiki Kaisha
Toshio Enoki
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Process for the preparation of carbon fibers having structure refle...
Patent number
4,746,470
Issue date
May 24, 1988
Kureha Kagaku Kogo Kabushiki Kaisha
Hiroto Fujimaki
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING