Akio Karasawa

Person

Kanagawa-ken, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Color filters
- Patent number 6,306,550
- Issue date Oct 23, 2001
- Mitsui Chemicals, Inc.
- Hisato Itoh
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Low-birefringent organic optical component and a spirobiindan polymer
- Patent number 6,080,833
- Issue date Jun 27, 2000
- Mitsui Chemicals, Inc.
- Atsuo Otsuji
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Dyestuffs and resin compositions
- Patent number 6,051,360
- Issue date Apr 18, 2000
- Mitsui Chemicals, Inc.
- Akio Karasawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Aromatic hydroxycarboxylic acid resins and their use
- Patent number 6,040,111
- Issue date Mar 21, 2000
- Mitsui Chemicals, Inc.
- Akio Karasawa
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Dyes for color filters and photosensitive resist resin composition...
- Patent number 5,948,597
- Issue date Sep 7, 1999
- Mitsui Chemicals, Inc.
- Hisato Itoh
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Aromatic hydroxycarboxylic acid resins and their use
- Patent number 5,798,422
- Issue date Aug 25, 1998
- Mitsui Toatsu Chemicals, Inc.
- Akio Karasawa
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Dyes for color filters and photosensitive resist resin composition...
- Patent number 5,789,137
- Issue date Aug 4, 1998
- Mitsui Chemicals, Inc.
- Hisato Itoh
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Color filter having novel dyestuff
- Patent number 5,773,172
- Issue date Jun 30, 1998
- Mitsui Toatsu Chemicals, Inc.
- Akio Karasawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Optical recording medium
- Patent number 5,695,911
- Issue date Dec 9, 1997
- Mitsui Toatsu Chemicals, Incorporated
- Hisato Itoh
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Epoxy acrylate resins and their uses
- Patent number 5,677,398
- Issue date Oct 14, 1997
- Mitsui Toatsu Chemicals, Inc.
- Toshihiro Motoshima
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polyimide intermediates
- Patent number 5,631,377
- Issue date May 20, 1997
- Mitsui Toatsu Chemicals, Inc.
- Mitsunori Matsuo
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Dyes for color filters, and photosensitive resist resin composition...
- Patent number 5,578,419
- Issue date Nov 26, 1996
- Mitsui Toatsu Chemicals, Incorporated
- Hisato Itoh
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Resin composition for color filter
- Patent number 5,482,804
- Issue date Jan 9, 1996
- Mitsui Toatsu Chemicals, Incorporated
- Hisato Itoh
- G02 - OPTICS
Information Patent Grant
Phthalocyanine compounds and usage thereof
- Patent number 5,380,842
- Issue date Jan 10, 1995
- Mitsui Toatsu Chemicals, Incorporated
- Hisato Itoh
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Dye compositions for dyeing denim cotton yarn in a range of colors...
- Patent number 5,034,016
- Issue date Jul 23, 1991
- Mitsui Toatsu Chemicals, Incorporated
- Hitoshi Koshida
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...

Akio Karasawa

Person

Patents Grantslast 30 patents

Color filters

Low-birefringent organic optical component and a spirobiindan polymer

Dyestuffs and resin compositions

Aromatic hydroxycarboxylic acid resins and their use

Dyes for color filters and photosensitive resist resin composition...

Aromatic hydroxycarboxylic acid resins and their use

Dyes for color filters and photosensitive resist resin composition...

Color filter having novel dyestuff

Optical recording medium

Epoxy acrylate resins and their uses

Polyimide intermediates

Dyes for color filters, and photosensitive resist resin composition...

Resin composition for color filter

Phthalocyanine compounds and usage thereof

Dye compositions for dyeing denim cotton yarn in a range of colors...