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Takamasa Kawakami
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Ibaraki, JP
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last 30 patents
Information
Patent Grant
Process for producing copper clad laminate
Patent number
5,382,333
Issue date
Jan 17, 1995
Mitsubishi Gas Chemical Company, Inc.
Kazuhiro Ando
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Method of preserving article with an oxygen absorbent composition
Patent number
5,378,428
Issue date
Jan 3, 1995
Mitsubishi Gas Chemical Company, Inc.
Yoshiaki Inoue
A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
Information
Patent Grant
Process for producing multilayered printed board
Patent number
5,252,355
Issue date
Oct 12, 1993
Mitsubishi Gas Chemical Co., Inc.
Kazuhiro Ando
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Process for the production of fine powder
Patent number
5,250,101
Issue date
Oct 5, 1993
Mitsubishi Gas Chemical Company, Inc.
Toshio Hidaka
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Process for shaping ceramic composites
Patent number
5,244,621
Issue date
Sep 14, 1993
Mitsubishi Gas Chemical Company, Inc.
Fumihiro Wakai
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Silicon nitride-silicon carbide composite material and process for...
Patent number
5,134,097
Issue date
Jul 28, 1992
Mitsubishi Gas Chemical Co., Inc.
Koichi Niihara
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Process of producing copper plated resin article
Patent number
5,106,462
Issue date
Apr 21, 1992
Mitsubishi Gas Chemical Co., Inc.
Takamasa Kawakami
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Grant
Process for producing copper fine powder
Patent number
5,094,686
Issue date
Mar 10, 1992
Mitsubishi Gas Chemical Co., Inc.
Takamasa Kawakami
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Process for producing copper formate
Patent number
5,093,510
Issue date
Mar 3, 1992
Mitsubishi Gas Chemical Co., Ltd.
Takamasa Kawakami
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method for producing copper film-formed articles
Patent number
4,913,938
Issue date
Apr 3, 1990
Mitsubishi Gas Chemical Company, Inc.
Takamasa Kawakami
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Silicon nitride-silicon carbide composite material and process for...
Patent number
4,800,182
Issue date
Jan 24, 1989
Mitsubishi Gas Chemical Company, Inc.
Kansei Izaki
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Process for preparing silicon nitride, silicon carbide or fine powd...
Patent number
4,613,490
Issue date
Sep 23, 1986
Mitsubishi Gas Chemical Company, Inc.
Takashi Suzuki
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Fine amorphous powder and process for preparing fine powdery mixtur...
Patent number
4,594,330
Issue date
Jun 10, 1986
Mitsubishi Gas Chemical Company, Inc.
Takashi Suzuki
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Process for producing phthalonitrile
Patent number
4,298,545
Issue date
Nov 3, 1981
Mitsubishi Gas Chemical Company, Inc.
Masao Saito
C07 - ORGANIC CHEMISTRY