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Yoshikazu Hosoda
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Kawasaki, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Composite metal material and method for manufacturing the same, etc...
Patent number
6,855,408
Issue date
Feb 15, 2005
Showa Denko K.K.
Masatsugu Shimomura
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Decolorizable toner and process for preparing the same
Patent number
5,814,427
Issue date
Sep 29, 1998
Bando Chemical Industries, Ltd.
Katsumi Murofushi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Decolorizable toner and a decolorizable toner production process
Patent number
5,607,803
Issue date
Mar 4, 1997
Showa Denko K.K.
Katsumi Murofushi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Apparatus for decolorizing toner images and an image forming apparatus
Patent number
5,572,311
Issue date
Nov 5, 1996
Bando Chemical Industries, Ltd.
Yuki Abe
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Method of making decolorizable toner
Patent number
5,449,583
Issue date
Sep 12, 1995
Showa Denko, K.K.
Katsumi Murofushi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Method for producing ceramics using crosslinked N-vinylcarboxylic a...
Patent number
5,407,996
Issue date
Apr 18, 1995
Showa Denko K.K.
Toshiyuki Aizawa
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Method and apparatus for decolorization, and image forming apparatus
Patent number
5,405,726
Issue date
Apr 11, 1995
Bando Chemical Industries. Ltd.
Yuki Abe
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Decolorizable toner
Patent number
5,362,592
Issue date
Nov 8, 1994
Showa Denko K.K.
Katsumi Murofushi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Liquid absorption agent
Patent number
5,300,606
Issue date
Apr 5, 1994
Showa Denko K.K.
Toshiyuki Aizawa
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Near infrared ray-decolorizable recording material
Patent number
5,166,041
Issue date
Nov 24, 1992
Showa Denko K.K.
Katsumi Murofushi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Water-soluble microcapsules
Patent number
4,898,781
Issue date
Feb 6, 1990
Showa Denko K.K.
Takashi Onouchi
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Aqueous dispersion of water-soluble polymer composition
Patent number
4,380,600
Issue date
Apr 19, 1983
Showa Denko K.K.
Yoshikazu Hosoda
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for the production of highly water-absorbing but less water...
Patent number
4,351,922
Issue date
Sep 28, 1982
Showa Denko Kabushiki Kaisha
Tooru Yoshida
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Patents Applications
last 30 patents
Information
Patent Application
Composite metal material and method for manufacturing the same, etc...
Publication number
20040076795
Publication date
Apr 22, 2004
SHOWA DENKO K.K.
Masatsugu Shimomura
H01 - BASIC ELECTRIC ELEMENTS