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Toshiaki Narusawa
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Kawasaki, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Peropyrene compound, organic electroluminescent element and organic...
Patent number
7,083,867
Issue date
Aug 1, 2006
Fuji Photo Film Co., Ltd.
Wataru Sotoyama
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Condensed eight-ring aromatic compound, and organic EL element and...
Patent number
6,805,977
Issue date
Oct 19, 2004
Fujitsu Limited
Wataru Sotoyama
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Organic EL element and organic EL display
Patent number
6,803,126
Issue date
Oct 12, 2004
Fujitsu Limited
Wataru Sotoyama
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Dinaphtopyrene compound, and organic EL element and organic EL disp...
Patent number
6,783,872
Issue date
Aug 31, 2004
Fujitsu Limited
Wataru Sotoyama
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Liquid crystal display device and its fabricating method
Patent number
5,943,112
Issue date
Aug 24, 1999
Fujitsu Limited
Akihiro Mochizuki
G02 - OPTICS
Information
Patent Grant
Image forming device
Patent number
5,698,320
Issue date
Dec 16, 1997
Fujitsu Limited
Katsuji Ebisu
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Cleanerless electrographic imaging device
Patent number
5,587,774
Issue date
Dec 24, 1996
Fujitsu Limited
Akira Nagahara
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Process for preparing ink for ink jet printer
Patent number
4,948,427
Issue date
Aug 14, 1990
Fujitsu Limited
Yasuo Yamagishi
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Magnetic brush developer for electrophotography
Patent number
4,849,317
Issue date
Jul 18, 1989
Fujitsu Limited
Norio Sawatari
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrophotographic flash fixation process employing toner having i...
Patent number
4,699,863
Issue date
Oct 13, 1987
Fujitsu Limited
Norio Sawatari
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Developer comprising a carrier coated with Fe.sub.3 O.sub.4 dispers...
Patent number
4,555,466
Issue date
Nov 26, 1985
Fujitsu Limited
Seiji Okada
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Storage-type liquid crystal composition
Patent number
4,547,309
Issue date
Oct 15, 1985
Fujitsu Limited
Akihiro Mochizuki
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Process for preparing electrostatic developer
Patent number
4,522,909
Issue date
Jun 11, 1985
Fujitsu Limited
Toshiaki Narusawa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Developer materials for electrostatic images
Patent number
4,513,075
Issue date
Apr 23, 1985
Fujitsu Limited
Toshiaki Narusawa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Process for preparing developer materials for electrostatic images
Patent number
4,455,361
Issue date
Jun 19, 1984
Fujitsu Limited
Toshiaki Narusawa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Organic photosensitive material for electrophotography
Patent number
4,454,213
Issue date
Jun 12, 1984
Fujitsu Limited
Teruo Yagishita
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Copper phthalocyanine photosensitive material for electrophotograph...
Patent number
4,362,801
Issue date
Dec 7, 1982
Fujitsu Limited
Teruo Yagishita
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrophotographic developing process using flash fixation and ton...
Patent number
4,352,877
Issue date
Oct 5, 1982
Fujitsu Limited
Toshiaki Narusawa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Patents Applications
last 30 patents
Information
Patent Application
Peropyrene compound, organic electroluminescent element and organic...
Publication number
20050202281
Publication date
Sep 15, 2005
FUJITSU LIMITED
Wataru Sotoyama
C07 - ORGANIC CHEMISTRY
Information
Patent Application
1,3,6,8-Tetrasubstituted pyrene compound, organic EL element using...
Publication number
20040053069
Publication date
Mar 18, 2004
FUJITSU LIMITED
Wataru Sotoyama
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Organic el element and organic el display
Publication number
20030186081
Publication date
Oct 2, 2003
FUJITSU LIMITED
Wataru Sotoyama
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Dinaphthopyrene compound, and organic EL element and organic EL dis...
Publication number
20030113579
Publication date
Jun 19, 2003
FUJITSU LIMITED
Wataru Sotoyama
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Condensed eight-ring aromatic compound, and organic EL element and...
Publication number
20030082404
Publication date
May 1, 2003
FUJITSU LIMITED
Wataru Sotoyama
C07 - ORGANIC CHEMISTRY