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Yoshiyuki Kosaka
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Shiga-ken, JP
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last 30 patents
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Patent Grant
Toner resin composition and a method of manufacturing it as well as...
Patent number
5,849,848
Issue date
Dec 15, 1998
Sekisui Chemical Co., Ltd.
Yoshiyuki Kosaka
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Toner resin composition and a method of manufacturing it, as well a...
Patent number
5,658,991
Issue date
Aug 19, 1997
Sekisui Chemical Co., Ltd.
Yoshiyuki Kosaka
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Resin composition for toners and a toner containing the same
Patent number
5,492,787
Issue date
Feb 20, 1996
Sekisui Kagaku Kogyo Kabushiki Kaisha
Takayoshi Matsunaga
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Resin composition for toner, method of preparing the same and toner
Patent number
5,422,217
Issue date
Jun 6, 1995
Sekisui Kagaku Kogyo Kabushiki Kaisha
Takashi Ueyama
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Resin composition for toners and a toner containing the same
Patent number
5,262,265
Issue date
Nov 16, 1993
Sekisui Kagaku Kogyo Kabushiki Kaisha
Takayoshi Matsunaga
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY