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Kohichi Yamamoto
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Minami-ashigara, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Titanyl phthalocyanine crystal and electrophotographic photorecepto...
Patent number
6,268,096
Issue date
Jul 31, 2001
Fuji Xerox Co., Ltd.
Hidemi Nukada
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Shape steel material having high strength, high toughness and excel...
Patent number
5,985,051
Issue date
Nov 16, 1999
Nippon Steel Corporation
Kohichi Yamamoto
C21 - METALLURGY OF IRON
Information
Patent Grant
Method for producing low carbon equivalent rolled steel shapes by c...
Patent number
5,738,739
Issue date
Apr 14, 1998
Nippon Steel Corporation
Kohichi Yamamoto
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Electrophotographic photoreceptor
Patent number
5,456,997
Issue date
Oct 10, 1995
Fuji Xerox Co., Ltd.
Hiroaki Moriyama
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Titanyl phthalocyanine crystal
Patent number
5,440,029
Issue date
Aug 8, 1995
Fuji Xerox Co., Ltd.
Hidemi Nukada
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Process for producing rolled shape steel material having high stren...
Patent number
5,421,920
Issue date
Jun 6, 1995
Nippon Steel Corporation
Kohichi Yamamoto
C21 - METALLURGY OF IRON
Information
Patent Grant
Refractory shape steel material containing oxide and process for pr...
Patent number
5,336,339
Issue date
Aug 9, 1994
Nippon Steel Corporation
Kohichi Yamamoto
C21 - METALLURGY OF IRON
Information
Patent Grant
Titanyl phthalocyanine crystal and electrophotographic photorecepto...
Patent number
5,252,417
Issue date
Oct 12, 1993
Fuji Xerox Co., Ltd.
Akihiko Tokida
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Inorganic-organic or semiconductive inorganic-organic composite mat...
Patent number
5,168,024
Issue date
Dec 1, 1992
Fuji Xerox Corporation, Ltd.
Kohichi Yamamoto
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Electrophotographic photoreceptor comprising a squarylium compound...
Patent number
5,104,758
Issue date
Apr 14, 1992
Fuji Xerox Co, Ltd.
Kiyokazu Mashimo
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrophotographic member with metallocene containing overlayer
Patent number
4,315,980
Issue date
Feb 16, 1982
Fuji Xerox Co., Ltd.
Shigeru Sadamatsu
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Patents Applications
last 30 patents
Information
Patent Application
FIRE RESISTANT STEEL AND METHOD OF PRODUCTION OF SAME
Publication number
20090087335
Publication date
Apr 2, 2009
Teruhisa Okumura
C21 - METALLURGY OF IRON
Information
Patent Application
Fire Resistant High Strength Rolled Steel Material and Method of Pr...
Publication number
20090020190
Publication date
Jan 22, 2009
Teruhisa Okumura
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...