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Yoshiaki Kawaida
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Tokyo, JP
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Patents Grants
last 30 patents
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
Information
Patent Grant
Trisazo compound, ink composition, recording method and colored body
Patent number
8,080,100
Issue date
Dec 20, 2011
Nippon Kayaku Kabushiki Kaisha
Takashi Yoshimoto
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Water-soluble azo compound or salt thereof, ink composition and col...
Patent number
7,951,234
Issue date
May 31, 2011
Nippon Kayaku Kabushiki Kaisha
Ryoutarou Morita
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Porphyrazine coloring matter, ink, ink set, and colored product
Patent number
7,854,797
Issue date
Dec 21, 2010
Nippon Kayaku Kabushiki Kaisha
Takafumi Fujii
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Water-soluble azo compound or salt thereof, ink composition and col...
Patent number
7,771,525
Issue date
Aug 10, 2010
Nippon Kayaku Kabushiki Kaisha
Ryoutarou Morita
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Porphyrazine coloring matter, ink, ink set and colored article
Patent number
7,591,888
Issue date
Sep 22, 2009
Nippon Kayaku Kabushiki Kaisha
Takafumi Fujii
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Porphyrazine coloring matter, ink, ink set and colored product
Patent number
7,585,361
Issue date
Sep 8, 2009
Nippon Kayaku Kabushiki Kaisha
Takashi Yoneda
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Water-base black ink composition and colored product
Patent number
7,462,228
Issue date
Dec 9, 2008
Nippon Kayaku Kabushiki Kaisha
Hiroaki Ohno
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Trisazo compound, ink composition, and colored object
Patent number
7,326,288
Issue date
Feb 5, 2008
Nippon Kayaku Kabushiki Kaisha
Takahiko Matsui
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Patents Applications
last 30 patents
Information
Patent Application
TRISAZO COMPOUND, INK COMPOSITION, RECORDING METHOD AND COLORED BODY
Publication number
20110050787
Publication date
Mar 3, 2011
Takashi Yoshimoto
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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
Information
Patent Application
WATER-SOLUBLE AZO COMPOUND OR SALT THEREOF, INK COMPOSITION AND COL...
Publication number
20100233450
Publication date
Sep 16, 2010
Ryoutarou Morita
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
WATER-SOLUBLE AZO COMPOUND OR SALT THEREOF, INK COMPOSITION AND COL...
Publication number
20100118067
Publication date
May 13, 2010
Ryoutarou Morita
C07 - ORGANIC CHEMISTRY
Information
Patent Application
NOVEL PORPHYRAZINE COLORING MATTER, INK, INK SET, AND COLORED PRODUCT
Publication number
20100112218
Publication date
May 6, 2010
Nippon Kayaku Kabushiki-Kaisha
Takafumi Fujii
C07 - ORGANIC CHEMISTRY
Information
Patent Application
WATER-SOLUBLE AZO COMPOUND OR SALT THEREOF, INK COMPOSITION AND COL...
Publication number
20100068475
Publication date
Mar 18, 2010
Ryoutarou Morita
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
Porphyrazine Coloring Matter, Ink, Ink Set and Colored Product
Publication number
20090151599
Publication date
Jun 18, 2009
Takafumi Fujii
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
Novel Porphyrazine Coloring Matter, Ink, Ink Set and Colored Article
Publication number
20090029120
Publication date
Jan 29, 2009
Takafumi Fujii
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
Tetrakisazo Compound, Coloring Matter for Recording, Ink Compositio...
Publication number
20070227388
Publication date
Oct 4, 2007
Hiroaki Ohno
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
Trisazo compound, ink composition, and colored object
Publication number
20070107628
Publication date
May 17, 2007
Takahiko Matsui
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
Water-base black ink composition and colored material
Publication number
20060144288
Publication date
Jul 6, 2006
Hiroaki Ohno
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...