Tsutomu Nishizawa

Person

Ohmuta, JP

People

Patents Grantslast 30 patents

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
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
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
Anthraquinonic colorant and polarizing film containing the colorant
- Patent number 5,382,465
- Issue date Jan 17, 1995
- Mitsui Toatsu Chemicals, Incorporated
- Tsutami Misawa
- G02 - OPTICS
Information Patent Grant
Polarizing film
- Patent number 5,354,513
- Issue date Oct 11, 1994
- Mitsui Toatsu Chemicals, Incorporated
- Katsuji Nakamura
- G02 - OPTICS
Information Patent Grant
Polarizing film
- Patent number 5,286,418
- Issue date Feb 15, 1994
- Mitsui Toatsu Chemicals, Incorporated
- Katsuji Nakamura
- G02 - OPTICS
Information Patent Grant
Anthraquinonic colorant and polarizing film containing the colorant
- Patent number 5,252,769
- Issue date Oct 12, 1993
- Mitsui Toatsu Chemicals, Incorporated
- Tsutami Misawa
- G02 - OPTICS
Information Patent Grant
Hydrazones and electrophotographic photoreceptors comprising them
- Patent number 5,235,104
- Issue date Aug 10, 1993
- Mitsui Toatsu Chemicals, Incorporated
- Yasuyuki Yamada
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Hydrozones and electrophotographic photoreceptors comprising them
- Patent number 5,132,190
- Issue date Jul 21, 1992
- Mitsui Toatsu Chemicals Incorporated
- Yasuyuki Yamada
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Optically active naphthalene derivatives
- Patent number 5,072,021
- Issue date Dec 10, 1991
- Mitsui Toatsu Chemicals, Inc.
- Masakatsu Nakatsuka
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Polarizing film
- Patent number 5,059,356
- Issue date Oct 22, 1991
- Mitsui Toatsu Chemicals, Incorporated
- Katsuji Nakamura
- G02 - OPTICS
Information Patent Grant
Alkylphthalocyanine near-infrared absorbers and recording/display m...
- Patent number 5,024,926
- Issue date Jun 18, 1991
- Mitsui Toatsu Chemicals, Incorporated
- Hisato Itoh
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
P-amino substituted tetraphenylthiophenes and electrophotographic p...
- Patent number 5,023,343
- Issue date Jun 11, 1991
- Mitsui Toatsu Chemicals, Incorporated
- Eishi Tanaka
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Phthalocyanine compounds and utility thereof
- Patent number 4,970,021
- Issue date Nov 13, 1990
- Mitsui Toatsu Chemicals, Incorporated
- Masakatsu Nakatsuka
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
P-amino substituted tetraphenylthiophenes and electrophotographic p...
- Patent number 4,963,449
- Issue date Oct 16, 1990
- Mitsui Toatsu Chemicals, Incorporated
- Eishi Tanaka
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
1,2-naphthalocyanine near-infrared absorbent and recording/display...
- Patent number 4,960,538
- Issue date Oct 2, 1990
- Mitsui Toatsu Chemicals, Inc.
- Hisato Itoh
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Colored polarizing film and method of making same
- Patent number 4,842,781
- Issue date Jun 27, 1989
- Mitsui Toatsu Chemicals, Inc.
- Tsutomu Nishizawa
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polarizing film
- Patent number 4,824,882
- Issue date Apr 25, 1989
- Mitsui Toatsu Chemicals, Incorporated
- Katsuji Nakamura
- G02 - OPTICS
Information Patent Grant
Electrophotographic receptors with charge generating azo-substitute...
- Patent number 4,808,503
- Issue date Feb 28, 1989
- Mitsui Toatsu Chemicals, Incorporated
- Yasuyuki Yamada
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic photoreceptor 2-Phenyl-benzooxazole bisazo based
- Patent number 4,808,507
- Issue date Feb 28, 1989
- Mitsui Toatsu Chemicals, Incorporated
- Yasuyuki Yamada
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Dichroic azo dyestuffs and liquid crystal composition containing sa...
- Patent number 4,734,218
- Issue date Mar 29, 1988
- Mitsui Toatsu Chemicals, Incorporated
- Keisuke Takuma
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Composition for liquid crystal color display
- Patent number 4,555,355
- Issue date Nov 26, 1985
- Mitsui Toatsu Chemicals, Inc.
- Yasuyuki Yamada
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Dichroic dye and liquid crystalline composition for color display
- Patent number 4,552,684
- Issue date Nov 12, 1985
- Mitsui Toatsu Chemicals, Inc.
- Yasuyuki Yamada
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Nematic liquid crystalline composition
- Patent number 4,536,320
- Issue date Aug 20, 1985
- Mitsui Toatsu Chemicals, Inc.
- Tsutomu Nishizawa
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Composition for liquid crystal color display elements
- Patent number 4,473,486
- Issue date Sep 25, 1984
- Mitsui Toatsu Chemicals, Inc.
- Ryoichi Morinaka
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Composition for liquid crystal color display
- Patent number 4,459,218
- Issue date Jul 10, 1984
- Mitsui Toatsu Chemicals, Inc.
- Yasuyuki Yamada
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Composition for liquid crystal color display elements
- Patent number 4,360,447
- Issue date Nov 23, 1982
- Mitsui Toatsu Chemicals, Inc.
- Ryoichi Morinaka
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Composition for liquid crystal color display element
- Patent number 4,304,683
- Issue date Dec 8, 1981
- Mitsui Toatsu Chemicals, Inc.
- Ryoichi Morinaka
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Chlorinated 4-methylphthalic anhydrides
- Patent number 4,302,396
- Issue date Nov 24, 1981
- Mitsui Toatsu Chemicals, Incorporated
- Michihiro Tsujimoto
- C07 - ORGANIC CHEMISTRY

Tsutomu Nishizawa

Person

Patents Grantslast 30 patents

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

Compact disk-write once type optical recording media

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

Anthraquinonic colorant and polarizing film containing the colorant

Polarizing film

Polarizing film

Anthraquinonic colorant and polarizing film containing the colorant

Hydrazones and electrophotographic photoreceptors comprising them

Hydrozones and electrophotographic photoreceptors comprising them

Optically active naphthalene derivatives

Polarizing film

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

P-amino substituted tetraphenylthiophenes and electrophotographic p...

Phthalocyanine compounds and utility thereof

P-amino substituted tetraphenylthiophenes and electrophotographic p...

1,2-naphthalocyanine near-infrared absorbent and recording/display...

Colored polarizing film and method of making same

Polarizing film

Electrophotographic receptors with charge generating azo-substitute...

Electrophotographic photoreceptor 2-Phenyl-benzooxazole bisazo based

Dichroic azo dyestuffs and liquid crystal composition containing sa...

Composition for liquid crystal color display

Dichroic dye and liquid crystalline composition for color display

Nematic liquid crystalline composition

Composition for liquid crystal color display elements

Composition for liquid crystal color display

Composition for liquid crystal color display elements

Composition for liquid crystal color display element

Chlorinated 4-methylphthalic anhydrides