Masakatsu Nakatsuka

Person

Chiba, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Organic transistor
- Patent number 8,294,144
- Issue date Oct 23, 2012
- Yamamoto Chemicals, Inc.
- Takahiro Fujiyama
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Hydrocarbon compounds, materials for organic electroluminescent ele...
- Patent number 7,166,240
- Issue date Jan 23, 2007
- Mitsui Chemicals, Inc.
- Tsutomu Ishida
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Hydrocarbon compounds, materials for organic electroluminescent ele...
- Patent number 6,929,870
- Issue date Aug 16, 2005
- Mitsui Chemicals, Inc.
- Tsutomu Ishida
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Color developer composition, aqueous dispersion, recording sheet an...
- Patent number 6,383,982
- Issue date May 7, 2002
- Mitsui Chemicals, Inc.
- Jotaro Kida
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Acetylene compound, liquid crystal composition and liquid crystal e...
- Patent number 6,217,793
- Issue date Apr 17, 2001
- Mitsui Chemicals, Inc.
- Yoshiyuki Totani
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Naphthalene compound, and liquid crystal composition and liquid cry...
- Patent number 5,861,108
- Issue date Jan 19, 1999
- Mitsui Chemicals, Inc.
- Tsutomu Ishida
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Pyrimidine compound and liquid crystal composition and liquid cryst...
- Patent number 5,770,108
- Issue date Jun 23, 1998
- Mitsui Toatsu Chemicals, Inc.
- Yoshiyuki Totani
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Color-developing agents and color-developing sheets
- Patent number 5,647,896
- Issue date Jul 15, 1997
- Mitsui Toatsu Chemicals, Inc.
- Takeshi Nishimura
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Polyvalent metal salt of salicyclic acid resin and process for prep...
- Patent number 5,525,686
- Issue date Jun 11, 1996
- Mitsui Toatsu Chemicals, Inc.
- Yoshimitsu Tanabe
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Salicylic acid derivatives
- Patent number 5,476,957
- Issue date Dec 19, 1995
- Mitsui Toatsu Chemicals, Inc.
- Yoshimitsu Tanabe
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for preparing an aromatic polycarbonate
- Patent number 5,426,170
- Issue date Jun 20, 1995
- Mitsui Toatsu Chemicals, Inc.
- Motokazu Hirao
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Heat-sensitive recording materials and phenol compounds
- Patent number 5,391,806
- Issue date Feb 21, 1995
- Mitsui Toatsu Chemicals, Incorporated
- Atsuo Otsuji
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Aromatic polycarbonate and process for production thereof
- Patent number 5,380,814
- Issue date Jan 10, 1995
- Mitsui Toatsu Chemicals, Inc.
- Yoshiyuki Totani
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Processes for producing aromatic polycarbonate oligomer and aromati...
- Patent number 5,359,117
- Issue date Oct 25, 1994
- Mitsui Toatsu Chemicals, Inc.
- Yoshiyuki Totani
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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
Ferroelectric liquid crystal composition
- Patent number 5,348,685
- Issue date Sep 20, 1994
- Fujitsu Limited
- Akihiro Mochizuki
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Recording material
- Patent number 5,346,878
- Issue date Sep 13, 1994
- Mitsui Toatsu Chemicals, Inc.
- Masakatsu Nakatsuka
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Fluoran compounds, crystalline toluene adducts thereof, recording m...
- Patent number 5,324,704
- Issue date Jun 28, 1994
- Mitsui Toatsu Chemicals, Inc.
- Masakatsu Nakatsuka
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Salicylic acid derivatives, the process for preparing the same and...
- Patent number 5,306,688
- Issue date Apr 26, 1994
- Mitsui Toatsu Chemicals, Inc.
- Yoshimitsu Tanabe
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Crystals of fluoran compound, crystalline solvates thereof, process...
- Patent number 5,302,571
- Issue date Apr 12, 1994
- Mitsui Toatsu Chemicals, Inc.
- Atsuo Otsuji
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Recording material comprising crystal of fluoran compound
- Patent number 5,300,473
- Issue date Apr 5, 1994
- Mitsui Toatsu Chemicals, Inc.
- Masakatsu Nakatsuka
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Process for preparation of a recording material comprising a novel...
- Patent number 5,300,661
- Issue date Apr 5, 1994
- Mitsui Toatsu Chemicals, Inc.
- Masakatsu Nakatsuka
- C07 - ORGANIC CHEMISTRY
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
Recording material comprising novel crystalline fluoran and process...
- Patent number 5,283,222
- Issue date Feb 1, 1994
- Mitsui Toatsu Chemicals, Inc.
- Masakatsu Nakatsuka
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Thermochromic materials
- Patent number 5,281,570
- Issue date Jan 25, 1994
- Mitsui Toatsu Chemicals, Incorporated
- Kiyoharu Hasegawa
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Heat-sensitive recording materials and phenol compounds
- Patent number 5,270,281
- Issue date Dec 14, 1993
- Mitsui Toatsu Chemicals, Incorporated
- Atsuo Otsuji
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Crystals of fluoran compound, crystalline solvates thereof and proc...
- Patent number 5,245,049
- Issue date Sep 14, 1993
- Mitsui Toatsu Chemicals, Inc.
- Atsuo Otsuji
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Fluoran compound, heat sensitive recording materials comprising flu...
- Patent number 5,231,069
- Issue date Jul 27, 1993
- Mitsui Toatsu Chemicals Inc.
- Masakatsu Nakatsuka
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Fluoran compounds, crystalline toluene adducts thereof, recording m...
- Patent number 5,220,038
- Issue date Jun 15, 1993
- Mitsui Toatsu Chemicals, Inc.
- Masakatsu Nakatsuka
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Crystal of fluoran compound and preparation process of the crystal
- Patent number 5,210,221
- Issue date May 11, 1993
- Mitsui Toatsu Chemicals, Inc.
- Masakatsu Nakatsuka
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS

Patents Applicationslast 30 patents

Information Patent Application
ORGANIC TRANSISTOR
- Publication number 20110012098
- Publication date Jan 20, 2011
- YAMAMOTO CHEMICALS, INC.
- Takahiro Fujiyama
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Hydrocarbon compounds, materials for organic electroluminescent ele...
- Publication number 20050074631
- Publication date Apr 7, 2005
- Mitsui Chemicals, Inc.
- Tsutomu Ishida
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Hydrocarbon compound, material for organic electroluminescent eleme...
- Publication number 20030087126
- Publication date May 8, 2003
- Tsutomu Ishida
- C07 - ORGANIC CHEMISTRY

Masakatsu Nakatsuka

Person

Patents Grantslast 30 patents

Organic transistor

Hydrocarbon compounds, materials for organic electroluminescent ele...

Hydrocarbon compounds, materials for organic electroluminescent ele...

Color developer composition, aqueous dispersion, recording sheet an...

Acetylene compound, liquid crystal composition and liquid crystal e...

Naphthalene compound, and liquid crystal composition and liquid cry...

Pyrimidine compound and liquid crystal composition and liquid cryst...

Color-developing agents and color-developing sheets

Polyvalent metal salt of salicyclic acid resin and process for prep...

Salicylic acid derivatives

Method for preparing an aromatic polycarbonate

Heat-sensitive recording materials and phenol compounds

Aromatic polycarbonate and process for production thereof

Processes for producing aromatic polycarbonate oligomer and aromati...

Polarizing film

Ferroelectric liquid crystal composition

Recording material

Fluoran compounds, crystalline toluene adducts thereof, recording m...

Salicylic acid derivatives, the process for preparing the same and...

Crystals of fluoran compound, crystalline solvates thereof, process...

Recording material comprising crystal of fluoran compound

Process for preparation of a recording material comprising a novel...

Polarizing film

Recording material comprising novel crystalline fluoran and process...

Thermochromic materials

Heat-sensitive recording materials and phenol compounds

Crystals of fluoran compound, crystalline solvates thereof and proc...

Fluoran compound, heat sensitive recording materials comprising flu...

Fluoran compounds, crystalline toluene adducts thereof, recording m...

Crystal of fluoran compound and preparation process of the crystal

Patents Applicationslast 30 patents

ORGANIC TRANSISTOR

Hydrocarbon compounds, materials for organic electroluminescent ele...

Hydrocarbon compound, material for organic electroluminescent eleme...