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Kazuaki Watanabe
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Suwa-shi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Ink composition for ink jet printer
Patent number
7,699,921
Issue date
Apr 20, 2010
Seiko Epson Corporation
Kazuaki Watanabe
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Ink composition
Patent number
7,427,641
Issue date
Sep 23, 2008
Seiko Epson Corporation
Shuichi Kataoka
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Ink composition for ink jet printer
Patent number
7,405,245
Issue date
Jul 29, 2008
Seiko Epson Corporation
Kazuaki Watanabe
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Ink composition
Patent number
7,201,794
Issue date
Apr 10, 2007
Seiko Epson Corporation
Hiroshi Ito
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Ink jet recording method, ink set, and recorded matter using them
Patent number
6,877,850
Issue date
Apr 12, 2005
Seiko Epson Corporation
Bunji Ishimoto
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Ink set for ink jet recording, ink jet recording process, and recor...
Patent number
6,877,851
Issue date
Apr 12, 2005
Seiko Epson Corporation
Kazuaki Watanabe
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Processes for producing pigment dispersion and ink composition
Patent number
6,818,054
Issue date
Nov 16, 2004
Seiko Epson Corporation
Tsuyoshi Sano
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Water-based ink composition for ink-jet printing, ink-jet printing...
Patent number
6,806,300
Issue date
Oct 19, 2004
Mikuni Shikiso Kabushiki Kaisha
Minoru Waki
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Ink composition containing copper complex colorant
Patent number
6,514,330
Issue date
Feb 4, 2003
Seiko Epson Corporation
Miharu Kanaya
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Aqueous pigment ink sets for color inkjet recording, color inkjet r...
Patent number
6,491,748
Issue date
Dec 10, 2002
Seiko Epson Corporation
Kazuaki Watanabe
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Ink jet recording ink and recording method
Patent number
6,485,138
Issue date
Nov 26, 2002
Seiko Epson Corporation
Kazuhide Kubota
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Ink composition
Patent number
6,419,733
Issue date
Jul 16, 2002
Seiko Epson Corporation
Tsuyoshi Sano
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Ink jet recording method
Patent number
6,286,953
Issue date
Sep 11, 2001
Seiko Epson Corporation
Kiyohiko Takemoto
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Ink composition capable of realizing print with improved fixation
Patent number
6,274,646
Issue date
Aug 14, 2001
Mikuni Color Ltd.
Kazuaki Watanabe
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Ink jet recording apparatus with tank for reaction solution and met...
Patent number
6,247,804
Issue date
Jun 19, 2001
Seiko Epson Corporation
Kazuaki Watanabe
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Ink jet recording ink
Patent number
6,232,370
Issue date
May 15, 2001
Seiko Epson Corporation
Kazuhide Kubota
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Ink jet recording method
Patent number
6,084,619
Issue date
Jul 4, 2000
Seiko Epson Corporation
Kiyohiko Takemoto
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Reaction solution for ink jet recording method using two liquids
Patent number
6,080,229
Issue date
Jun 27, 2000
Seiko Epson Corporation
Kazuaki Watanabe
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Ink jet recording ink and recording method
Patent number
5,948,512
Issue date
Sep 7, 1999
Seiko Epson Corporation
Kazuhide Kubota
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Ink composition suitable for ink jet recording
Patent number
5,690,723
Issue date
Nov 25, 1997
Seiko Epson Corporation
Yukari Sano
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Patents Applications
last 30 patents
Information
Patent Application
INK COMPOSITION FOR INK JET PRINTER
Publication number
20080255298
Publication date
Oct 16, 2008
Seiko Epson Corporation
Kazuaki Watanabe
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
Ink composition
Publication number
20070282033
Publication date
Dec 6, 2007
Seiko Epson Corporation
Hiroshi Ito
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
Ink composition
Publication number
20050139124
Publication date
Jun 30, 2005
Seiko Epson Corporation
Hiroshi Ito
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
Ink composition
Publication number
20040249018
Publication date
Dec 9, 2004
Shuichi Kataoka
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
Ink set for ink jet recording, ink jet recording process, and recor...
Publication number
20040239738
Publication date
Dec 2, 2004
Seiko Epson Corporation
Kazuaki Watanabe
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
Ink jet recording method, ink set, and recorded matter using them
Publication number
20040032473
Publication date
Feb 19, 2004
Bunji Ishimoto
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
Ink jet recording ink composition containing pigment coated with resin
Publication number
20030236321
Publication date
Dec 25, 2003
Seiko Epson Corporation
Tsuyoshi Sano
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
Processes for producing pigment dispersion and ink composition
Publication number
20030188665
Publication date
Oct 9, 2003
Seiko Epson Corporation
Tsuyoshi Sano
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Ink composition
Publication number
20030097960
Publication date
May 29, 2003
Hiroshi Ito
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
Ink composition for ink jet printer
Publication number
20020120034
Publication date
Aug 29, 2002
Seiko Epson Corporation
Kazuaki Watanabe
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
Ink jet recording ink composition containing pigment coated with resin
Publication number
20020077384
Publication date
Jun 20, 2002
Seiko Epson Corporation
Tsuyoshi Sano
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
Water-based ink composition for ink-jet printing, ink-jet printing...
Publication number
20020035172
Publication date
Mar 21, 2002
Mikuni Shikiso Kabushiki Kaisha
Minoru Waki
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
Aqueous pigment ink sets for color inkjet recording, color inkjet r...
Publication number
20010025586
Publication date
Oct 4, 2001
Seiko Epson Corporation
Kazuaki Watanabe
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...