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Shun-Ichiro Yamanaka
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Osaka, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Charge control agent and toner for developing electrostatic images
Patent number
6,762,004
Issue date
Jul 13, 2004
Orient Chemical Industries, Ltd.
Shun-ichiro Yamanaka
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Process for preparing a monoazo metal complex salt compound for cha...
Patent number
6,756,485
Issue date
Jun 29, 2004
Orient Chemical Industries, Ltd.
Masashi Yasumatsu
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Process for preparing a monoazo metal complex salt compound for cha...
Patent number
6,548,648
Issue date
Apr 15, 2003
Orient Chemical Industries, Ltd.
Masashi Yasumatsu
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Charge control agent and toner for developing electrostatic images
Patent number
6,534,231
Issue date
Mar 18, 2003
Orient Chemical Industries, Ltd.
Shun-ichiro Yamanaka
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Charge control agent manufacturing process thereof and toner for de...
Patent number
6,326,113
Issue date
Dec 4, 2001
Chukyo Yushi Co., Ltd.
Toshiyuki Okuda
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Charge control agent, manufacturing process therefor and toner
Patent number
6,197,467
Issue date
Mar 6, 2001
Orient Chemical Industries
Shun-ichiro Yamanaka
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Monoazo metal compound, composition thereof, charge control agent,...
Patent number
6,153,735
Issue date
Nov 28, 2000
Orient Chemical Industries, Ltd.
Kazuaki Sukata
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Metal compound of aromatic hydroxycarboxylic acid, charge control a...
Patent number
5,990,332
Issue date
Nov 23, 1999
Orient Chemical Industries, Ltd.
Kazuaki Sukata
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Metal compound of aromatic hydroxycarboxylic acid, charge control a...
Patent number
5,976,749
Issue date
Nov 2, 1999
Orient Chemical Industries, Ltd.
Kazuaki Sukata
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Calix arene charge control agent and toner for developing electrost...
Patent number
5,952,145
Issue date
Sep 14, 1999
Orient Chemical Industries, Ltd.
Shun-ichiro Yamanaka
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Monoazo metal compound, composition thereof, charge control agent,...
Patent number
5,843,611
Issue date
Dec 1, 1998
Orient Chemical Industries, Ltd.
Kazuaki Sukata
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Toner for developing electrostatic images
Patent number
5,736,289
Issue date
Apr 7, 1998
Orient Chemical Industries, Ltd.
Kazuaki Sukata
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Negative charge control agent and toner for developing electrostati...
Patent number
5,518,852
Issue date
May 21, 1996
Orient Chemical Industries, Ltd.
Kazuaki Sukata
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Chargeable resin powder
Patent number
5,501,934
Issue date
Mar 26, 1996
Orient Chemical Industries, Ltd.
Kazuaki Sukata
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Charge control agent and toner for developing electrostatic images
Patent number
5,501,932
Issue date
Mar 26, 1996
Orient Chemical Industries, Ltd.
Shuji Sugawara
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Toner for developing electrostatic images
Patent number
5,470,685
Issue date
Nov 28, 1995
Orient Chemical Industries, Ltd.
Shuji Sugawara
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Charge control agent and positively chargeable toner for developing...
Patent number
5,407,774
Issue date
Apr 18, 1995
Orient Chemical Industries, Ltd.
Chiemi Matsushima
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Patents Applications
last 30 patents
Information
Patent Application
Process for preparing a monoazo metal complex salt compound for cha...
Publication number
20030187234
Publication date
Oct 2, 2003
ORIENT CHEMICAL INDUSTRIES, LTD.
Masashi Yasumatsu
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
Charge control agent and toner for developing electrostatic images
Publication number
20030104298
Publication date
Jun 5, 2003
ORIENT CHEMICAL INDUSTRIES, LTD.
Shun-ichiro Yamanaka
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY