Koji Hirota

Person

Tokyo, JP

People

Patents Grantslast 30 patents

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
Water-soluble near-infrared absorbing coloring matters and aqueous...
- Patent number 8,404,036
- Issue date Mar 26, 2013
- Nippon Kayaku Kabushiki Kaisha
- Koji Hirota
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Trisazo compound, ink composition, recording method, and colored ar...
- Patent number 8,167,991
- Issue date May 1, 2012
- Nippon Kayaku Kabushiki Kaisha
- Takahiko Matsui
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Trisazo compound, ink composition, printing method and colored product
- Patent number 7,901,498
- Issue date Mar 8, 2011
- Nippon Kayaku Kabushiki Kaisha
- Koji Hirota
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Water-soluble naphthalocyanine coloring matter and water-based ink...
- Patent number 7,901,497
- Issue date Mar 8, 2011
- Nippon Kayaku Kabushiki Kaisha
- Takaaki Kurata
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS

Patents Applicationslast 30 patents

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
MAGENTA COLORING MATTER, INK COMPOSITION, AND COLORED BODY
- Publication number 20120056931
- Publication date Mar 8, 2012
- Nippon Kayaku Kabushiki-Kaisha
- Daisuke Ono
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
WATER-SOLUBLE NEAR-INFRARED ABSORBING COLORING MATTERS AND AQUEOUS...
- Publication number 20110123784
- Publication date May 26, 2011
- Nippon Kayaku Kabushiki-Kaisha
- Koji Hirota
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
TRISAZO COMPOUND, INK COMPOSITION, PRINTING METHOD AND COLORED PRODUCT
- Publication number 20100309246
- Publication date Dec 9, 2010
- NIPPON KAYAKU KABUSHIKI KAISHA
- Koji Hirota
- C07 - ORGANIC CHEMISTRY
Information Patent Application
WATER-SOLUBLE NAPHTHALOCYANINE COLORING MATTER AND WATER- BASED INK...
- Publication number 20100236448
- Publication date Sep 23, 2010
- NIPPON KAYAKU KABUSHIKI KAISHA
- Takaaki Kurata
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
Trisazo Compound, Ink Composition, Recording Method, and Colored Ar...
- Publication number 20090062545
- Publication date Mar 5, 2009
- Takahiko Matsui
- C07 - ORGANIC CHEMISTRY

Koji Hirota

Person

Patents Grantslast 30 patents

Azo compounds, ink compositions, and colored bodies

Water-soluble near-infrared absorbing coloring matters and aqueous...

Trisazo compound, ink composition, recording method, and colored ar...

Trisazo compound, ink composition, printing method and colored product

Water-soluble naphthalocyanine coloring matter and water-based ink...

Patents Applicationslast 30 patents

AZO COMPOUNDS, INK COMPOSITIONS, AND COLORED BODIES

MAGENTA COLORING MATTER, INK COMPOSITION, AND COLORED BODY

WATER-SOLUBLE NEAR-INFRARED ABSORBING COLORING MATTERS AND AQUEOUS...

TRISAZO COMPOUND, INK COMPOSITION, PRINTING METHOD AND COLORED PRODUCT

WATER-SOLUBLE NAPHTHALOCYANINE COLORING MATTER AND WATER- BASED INK...

Trisazo Compound, Ink Composition, Recording Method, and Colored Ar...