Hisato Itoh

Person

Fukuoka, 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
Process for the preparation of N,N′-dialkylalkanediamines
- Patent number 6,242,651
- Issue date Jun 5, 2001
- Mitsui Chemicals, Inc.
- Yasuhiro Takano
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Luminescent compound for controlling traveling and method for contr...
- Patent number 6,203,725
- Issue date Mar 20, 2001
- Mitsui Chemicals, Inc.
- Akira Ogiso
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
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
Azo compound and polarizing film
- Patent number 5,952,477
- Issue date Sep 14, 1999
- Mitsui Chemicals, Inc.
- Tsutami Misawa
- G02 - OPTICS
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
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
Quinophthalone compounds and polarizing films using same
- Patent number 5,750,599
- Issue date May 12, 1998
- Mitsui Toatsu Chemicals, Inc.
- Akira Ogiso
- G02 - OPTICS
Information Patent Grant
Color filter having polarizability
- Patent number 5,751,483
- Issue date May 12, 1998
- Mitsui Toatsu Chemicals, Inc.
- Hisato Itoh
- G02 - OPTICS
Information Patent Grant
Phthalocyanine compound and optical recording medium containing it
- Patent number 5,750,229
- Issue date May 12, 1998
- Mitsui Toatsu Chemicals, Inc.
- Takahisa Oguchi
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Water-soluble azo compounds
- Patent number 5,739,298
- Issue date Apr 14, 1998
- Mitsui Toatsu Chemicals, Inc.
- Tsutami Misawa
- G02 - OPTICS
Information Patent Grant
Azo compounds and polarizing films using the compounds
- Patent number 5,698,682
- Issue date Dec 16, 1997
- Mitsui Toatsu Chemicals, Inc.
- Yoriaki Matsuzaki
- G02 - OPTICS
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
Quinophthalone compounds
- Patent number 5,659,039
- Issue date Aug 19, 1997
- Mitsui Toatsu Chemicals, Inc.
- Akira Ogiso
- G02 - OPTICS
Information Patent Grant
Phthalocyanine compound and optical recording medium containing it
- Patent number 5,646,273
- Issue date Jul 8, 1997
- Mitsui Toatsu Chemicals, Inc.
- Takahisa Oguchi
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Azo compounds and polarizing films using the compounds
- Patent number 5,639,809
- Issue date Jun 17, 1997
- Mitsui Toatsu Chemicals, Inc.
- Yoriaki Matsuzaki
- G02 - OPTICS
Information Patent Grant
Polarizing film of a hydrophilic polymer film containing a novel az...
- Patent number 5,618,868
- Issue date Apr 8, 1997
- Mitsui Toatsu Chemicals, Inc.
- Tsutami Misawa
- G02 - OPTICS
Information Patent Grant
Alkylphthalocyanine near-infrared absorbers and recording/display m...
- Patent number 5,582,774
- Issue date Dec 10, 1996
- Mitsui Toatsu Chemicals, Incorporated
- Hisato Itoh
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
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
Water-soluble azo compounds
- Patent number 5,548,073
- Issue date Aug 20, 1996
- Mitsui Toatsu Chemicals, Inc.
- Tsutami Misawa
- G02 - OPTICS
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
Benzopyran compound and use of the same
- Patent number 5,482,986
- Issue date Jan 9, 1996
- Mitsui Toatsu Chemicals, Inc.
- Akira Ogiso
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Compact disk-write once type optical recording media
- Patent number 5,449,587
- Issue date Sep 12, 1995
- Mitsui Toatsu Chemicals, Incorporated
- Hisato Itoh
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Sulfonyloxy substituted tris-azoaryl dyes and copper complex salts...
- Patent number 5,446,135
- Issue date Aug 29, 1995
- Mitsui Toatsu Chemicals, Inc.
- Tsutami Misawa
- G02 - OPTICS
Information Patent Grant
Alkylphthalocyanine near-infrared absorbers and recording/display m...
- Patent number 5,446,141
- Issue date Aug 29, 1995
- Mitsui Toatsu Chemicals, Incorporated
- Hisato Itoh
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Phthalocyanine and naphthalocyanine light-absorbing compound and op...
- Patent number 5,446,142
- Issue date Aug 29, 1995
- Mitsui Toatsu Chemicals, Inc.
- Hisato Itoh
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Water-soluble azo compounds and polarizing films using the compounds
- Patent number 5,423,100
- Issue date Jun 13, 1995
- Mitsui Toatsu Chemicals, Inc.
- Tsutami Misawa
- G02 - OPTICS
Information Patent Grant
Near infrared absorbers and display/recording materials using the same
- Patent number 5,409,634
- Issue date Apr 25, 1995
- Mitsui Toatsu Chemicals, Incorporated
- Hisato Itoh
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Halogenation process of phthalocyanine and halogenated alkoxyphthal...
- Patent number 5,387,678
- Issue date Feb 7, 1995
- Mitsui Toatsu Chemicals, Incorporated
- Hisato Itoh
- C07 - ORGANIC CHEMISTRY

Hisato Itoh

Person

Patents Grantslast 30 patents

Color filters

Process for the preparation of N,N&#x02032;-dialkylalkanediamines

Luminescent compound for controlling traveling and method for contr...

Dyestuffs and resin compositions

Azo compound and polarizing film

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

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

Color filter having novel dyestuff

Quinophthalone compounds and polarizing films using same

Color filter having polarizability

Phthalocyanine compound and optical recording medium containing it

Water-soluble azo compounds

Azo compounds and polarizing films using the compounds

Optical recording medium

Quinophthalone compounds

Phthalocyanine compound and optical recording medium containing it

Azo compounds and polarizing films using the compounds

Polarizing film of a hydrophilic polymer film containing a novel az...

Alkylphthalocyanine near-infrared absorbers and recording/display m...

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

Water-soluble azo compounds

Resin composition for color filter

Benzopyran compound and use of the same

Compact disk-write once type optical recording media

Sulfonyloxy substituted tris-azoaryl dyes and copper complex salts...

Alkylphthalocyanine near-infrared absorbers and recording/display m...

Phthalocyanine and naphthalocyanine light-absorbing compound and op...

Water-soluble azo compounds and polarizing films using the compounds

Near infrared absorbers and display/recording materials using the same

Halogenation process of phthalocyanine and halogenated alkoxyphthal...

Process for the preparation of N,N′-dialkylalkanediamines