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Akira KAWAGUCHI
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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Ink composition, inkjet recording method, and colored article
Patent number
10,544,320
Issue date
Jan 28, 2020
Nippon Kayaku Kabushiki Kaisha
Maiko Iuchi
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Ink composition, ink jet recording method, and colored substance
Patent number
10,017,653
Issue date
Jul 10, 2018
Nippon Kayaku Kabushiki Kaisha
Akira Kawaguchi
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Ink set, inkjet recording method, and colored body
Patent number
9,617,441
Issue date
Apr 11, 2017
Nippon Kayaku Kabushiki Kaisha
Maiko Iuchi
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Aqueous ink composition, inkjet recording method, and colored material
Patent number
9,428,661
Issue date
Aug 30, 2016
Nippon Kayaku Kabushiki Kaisha
Akira Kawaguchi
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Azo compound, ink composition, recording method and colored material
Patent number
8,932,393
Issue date
Jan 13, 2015
Nippon Kayaku Kabushiki Kaisha
Takashi Yoshimoto
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Ink composition, inkjet recording method and colored body
Patent number
8,864,891
Issue date
Oct 21, 2014
Nippon Kayaku Kabushiki Kaisha
Akira Kawaguchi
B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
Information
Patent Grant
Ink composition, inkjet recording method and colored body
Patent number
8,741,046
Issue date
Jun 3, 2014
Nippon Kayaku Kabushiki Kaisha
Akira Kawaguchi
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Ink composition, inkjet recording method, and colored material
Patent number
8,741,045
Issue date
Jun 3, 2014
Nippon Kayaku Kabushiki Kaisha
Akira Kawaguchi
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Porphyrazine coloring matter, ink composition, recording method, an...
Patent number
8,657,433
Issue date
Feb 25, 2014
Nippon Kayaku Kabushiki Kaisha
Kenji Ooshima
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Porphyrazine coloring matter, ink composition containing the same a...
Patent number
8,535,431
Issue date
Sep 17, 2013
Nippon Kayaku Kabushiki Kaisha
Takashi Yoneda
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Porphyrazine coloring matter, ink composition containing the same a...
Patent number
8,535,432
Issue date
Sep 17, 2013
Nippon Kayaku Kabushiki Kaisha
Takashi Yoneda
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Azo compounds, ink compositions, and colored bodies
Patent number
8,512,462
Issue date
Aug 20, 2013
Nippon Kayaku Kabushiki Kaisha
Takahiko Matsui
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Porphyrazine coloring matter, ink composition and colored product
Patent number
8,394,186
Issue date
Mar 12, 2013
Nippon Kayaku Kabushiki Kaisha
Takashi Yoneda
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Ink set, recording method, and colored object
Patent number
8,226,222
Issue date
Jul 24, 2012
Nippon Kayaku Kabushiki Kaisha
Noriko Kajiura
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Patents Applications
last 30 patents
Information
Patent Application
INK COMPOSITION, INK JET RECORDING METHOD, AND COLORED SUBSTANCE
Publication number
20170137647
Publication date
May 18, 2017
Nippon Kayaku Kabushiki-Kaisha
Akira KAWAGUCHI
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
INK COMPOSITION, INKJET RECORDING METHOD, AND COLORED ARTICLE
Publication number
20170137652
Publication date
May 18, 2017
Nippon Kayaku Kabushiki-Kaisha
Maiko IUCHI
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
INK SET, INKJET RECORDING METHOD, AND COLORED BODY
Publication number
20170029645
Publication date
Feb 2, 2017
Nippon Kayaku Kabushiki-Kaisha
Maiko IUCHI
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
AQUEOUS COLORING AGENT DISPERSION FOR INKJET, INK COMPOSITION, INKJ...
Publication number
20160160068
Publication date
Jun 9, 2016
Nippon Kayaku Kabushiki-Kaisha
Akira KAWAGUCHI
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
AQUEOUS INK COMPOSITION, INKJET RECORDING METHOD, AND COLORED MATERIAL
Publication number
20160152850
Publication date
Jun 2, 2016
Nippon Kayaku Kabushiki-Kaisha
Akira KAWAGUCHI
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
AQUEOUS COLORING AGENT DISPERSION FOR INKJET, INK COMPOSITION, INKJ...
Publication number
20140363642
Publication date
Dec 11, 2014
Akira Kawaguchi
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
AZO COMPOUND, INK COMPOSITION, RECORDING METHOD AND COLORED MATERIAL
Publication number
20130321523
Publication date
Dec 5, 2013
Nippon Kayaku Kabushiki-Kaisha
Takashi Yoshimoto
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
INK COMPOSITION, INKJET RECORDING METHOD, AND COLORED MATERIAL
Publication number
20130288019
Publication date
Oct 31, 2013
Nippon Kayaku Kabushiki-Kaisha
Akira Kawaguchi
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
INK COMPOSITION, INKJET RECORDING METHOD AND COLORED BODY
Publication number
20130257974
Publication date
Oct 3, 2013
Nippon Kayaku Kabushiki-Kaisha
Akira Kawaguchi
B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
Information
Patent Application
INK COMPOSITION, INKJET RECORDING METHOD AND COLORED BODY
Publication number
20130101811
Publication date
Apr 25, 2013
Nippon Kayaku Kabushiki-Kaisha
Akira Kawaguchi
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
AZO COMPOUNDS, INK COMPOSITIONS, AND COLORED BODIES
Publication number
20120202019
Publication date
Aug 9, 2012
Nippon Kayaku Kabushiki-Kaisha
Takahiko Matsui
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
PORPHYRAZINE COLORING MATTER, INK COMPOSITION, RECORDING METHOD, AN...
Publication number
20120081457
Publication date
Apr 5, 2012
Nippon Kayaku Kabushiki-Kaisha
Kenji Ooshima
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
Porphyrazine Coloring Matter, Ink Composition Containing The Same A...
Publication number
20120013678
Publication date
Jan 19, 2012
NIPPON KAYAKU KABUSHIKI KAISHA
Takashi Yoneda
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
Porphyrazine Coloring Matter, Ink Composition Containing The Same A...
Publication number
20110242198
Publication date
Oct 6, 2011
NIPPON KAYAKU KABUSHIKI KAISHA
Takashi Yoneda
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
WATER-SOLUBLE AZO COMPOUND OR SALT THEREOF, INK COMPOSITION, AND CO...
Publication number
20110216117
Publication date
Sep 8, 2011
Nippon Kayaku Kabushiki-Kaisha
Ryoutarou Morita
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Porphyrazine Coloring Matter, Ink Composition And Colored Product
Publication number
20110090278
Publication date
Apr 21, 2011
NIPPON KAYAKU KABUSHIKI KAISHA
Takashi Yoneda
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
WATER SOLUBLE AZO COMPOUND OR SALT THEREOF, INK COMPOSITION AND COL...
Publication number
20110052885
Publication date
Mar 3, 2011
Nippon Kayaku Kabushiki-Kaisha
Ryoutarou Morita
C07 - ORGANIC CHEMISTRY
Information
Patent Application
INK SET, RECORDING METHOD, AND COLORED OBJECT
Publication number
20110032302
Publication date
Feb 10, 2011
Nippon Kayaku Kabushiki-Kaisha
Noriko Kajiura
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS