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Yoshio Sohda
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Yokohama, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Multifibrous carbon fiber and utilization thereof
Patent number
6,660,383
Issue date
Dec 9, 2003
Nippon Mitsubishi Oil Corporation
Masahiro Toyoda
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Process for producing carbon-fiber-reinforced composite material
Patent number
6,056,912
Issue date
May 2, 2000
Nippon Oil Co., Ltd.
Yoshio Sohda
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for producing carbonaceous preform
Patent number
5,935,359
Issue date
Aug 10, 1999
Nippon Oil Company, Limited
Yoshio Sohda
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Process for producing carbon fiber fabrics
Patent number
5,622,660
Issue date
Apr 22, 1997
Nippon Oil Company, Limited
Seiichi Uemura
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information
Patent Grant
Process for preparing carbon/carbon composite preform and carbon/ca...
Patent number
5,614,134
Issue date
Mar 25, 1997
Nippon Oil Company, Limited
Yoshio Sohda
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Process for producing carbonaceous material
Patent number
5,523,035
Issue date
Jun 4, 1996
Nippon Oil Co., Ltd.
Yoshio Sohda
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Process for producing carbon preform
Patent number
5,433,937
Issue date
Jul 18, 1995
Nippon Oil Company, Ltd.
Yoshio Sohda
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information
Patent Grant
Process of manufacturing carbon fibers with high chemical stability
Patent number
5,399,378
Issue date
Mar 21, 1995
Nippon Oil Co., Ltd.
Seiichi Uemura
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information
Patent Grant
Process for preparing carbon/carbon composite
Patent number
5,192,471
Issue date
Mar 9, 1993
Nippon Oil Company, Limited
Seiichi Uemura
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information
Patent Grant
Process for preparing carbon/carbon composite
Patent number
5,181,979
Issue date
Jan 26, 1993
Nippon Oil Company, Limited
Seiichi Uemura
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Process for producing carbon material and carbon/carbon composites
Patent number
5,114,635
Issue date
May 19, 1992
Kawasaki Heavy Industries, Ltd.
Yoshio Sohda
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Process for preparing carbon material
Patent number
5,093,156
Issue date
Mar 3, 1992
Nippon Oil Company, Limited
Seiichi Uemura
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Process for producing carbon/carbon composites
Patent number
5,057,254
Issue date
Oct 15, 1991
Nippon Oil Company, Limited
Yoshio Sohda
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Process for producing carbon/carbon composite having oxidation resi...
Patent number
5,045,356
Issue date
Sep 3, 1991
Nippon Oil Company, Limited
Seiichi Uemura
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Process for fabricating carbon/carbon composite
Patent number
4,849,200
Issue date
Jul 18, 1989
Nippon Oil Company, Limited
Seiichi Uemura
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information
Patent Grant
Process for producing pitch-based carbon fibers
Patent number
4,788,050
Issue date
Nov 29, 1988
Nippon Oil Company, Limited
Takao Hirose
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information
Patent Grant
Process for producing pitch carbon fibers
Patent number
4,656,022
Issue date
Apr 7, 1987
Nippon Oil Company, Limited
Seiichi Uemura
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information
Patent Grant
Process for producing pitch based graphite fibers
Patent number
4,574,077
Issue date
Mar 4, 1986
Nippon Oil Company Limited
Seiichi Uemura
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information
Patent Grant
Process for producing carbon fibers
Patent number
4,534,950
Issue date
Aug 13, 1985
Nippon Oil Co., Ltd.
Seiichi Uemura
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Patents Applications
last 30 patents
Information
Patent Application
Multifibrous carbon fiber and utilization thereof
Publication number
20010051272
Publication date
Dec 13, 2001
Nippon Mitsubishi Oil Corporation
Masahiro Toyoda
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING