Sadao Takehara

Person

Chiba, JP

People

Patents Grantslast 30 patents

Information Patent Grant
1,7,8-Trifluoronaphthalene-2-naphthol, and method for producing liq...
- Patent number 7,214,835
- Issue date May 8, 2007
- Dainippon Ink and Chemicals, Inc.
- Tetsuo Kusumoto
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Naphthalene derivative and liquid crystal composition comprising th...
- Patent number 7,145,047
- Issue date Dec 5, 2006
- Dainippon Ink and Chemicals, Inc.
- Sadao Takehara
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Fused ring compound
- Patent number 7,067,179
- Issue date Jun 27, 2006
- Dainippon Ink and Chemicals, Inc.
- Shinji Ogawa
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Decahydronaphthalene derivative
- Patent number 6,913,797
- Issue date Jul 5, 2005
- Dainippon Ink and Chemicals, Inc.
- Shinji Ogawa
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Compound having tetrahydronaphthalene skeleton and liquid crystal c...
- Patent number 6,746,728
- Issue date Jun 8, 2004
- Dainippon Ink and Chemicals, Inc.
- Tetsuo Kusumoto
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Fluorine-substituted-4-alkenylbenzoic acid and derivatives thereof,...
- Patent number 6,693,223
- Issue date Feb 17, 2004
- Dainippon Ink and Chemicals, Inc.
- Kiyofumi Takeuchi
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Polymerizable compound, polymerizable liquid crystal composition co...
- Patent number 6,582,626
- Issue date Jun 24, 2003
- Dainippon Ink and Chemicals, Inc.
- Hiroshi Hasebe
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Naphthalene derivative and liquid crystal composition comprising th...
- Patent number 6,468,607
- Issue date Oct 22, 2002
- Dainippon Ink and Chemicals, Inc.
- Sadao Takehara
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Fluorine-substituted-4-alkenylbenzoic acid and derivatives thereof,...
- Patent number 6,287,646
- Issue date Sep 11, 2001
- Dainippon Ink and Chemicals, Inc.
- Kiyofumi Takeuchi
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Azine derivative, process for the preparation thereof, nematic liqu...
- Patent number 6,010,642
- Issue date Jan 4, 2000
- Dainippon Ink and Chemicals, Inc.
- Haruyoshi Takatsu
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Cyclic hydrocarbon derivative and liquid crystal composition contai...
- Patent number 5,536,443
- Issue date Jul 16, 1996
- Dainippon Ink and Chemicals, Inc.
- Haruyoshi Takatsu
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Cyclic hydrocarbon derivative and liquid crystal composition contai...
- Patent number 5,474,707
- Issue date Dec 12, 1995
- Dainippon Ink and Chemicals, Inc.
- Haruyoshi Takatsu
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Lactic acid derivatives and liquid crystal compositions containing...
- Patent number 5,324,451
- Issue date Jun 28, 1994
- Dainippon Ink and Chemicals, Inc.
- Sadao Takehara
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
2,5-disubstituted pyrazine derivatives, pyrimidine derivatives, and...
- Patent number 5,128,472
- Issue date Jul 7, 1992
- Dainippon Ink and Chemicals, Inc.
- Masashi Osawa
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Optically active compound, intermediate therefor, process for produ...
- Patent number 5,064,564
- Issue date Nov 12, 1991
- Dainippon Ink and Chemicals, Inc.
- Sadao Takehara
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Optically active lactone derivative, intermediate therefor, process...
- Patent number 5,061,398
- Issue date Oct 29, 1991
- Dainippon Ink and Chemicals, Inc.
- Sadao Takehara
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
2,4-disubstituted pyrazine derivatives, pyrimidine derivatives, and...
- Patent number 4,997,942
- Issue date Mar 5, 1991
- Dainippon Ink & Chemical, Inc.
- Masashi Osawa
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Liquid crystalline compounds having substituents
- Patent number 4,943,386
- Issue date Jul 24, 1990
- Dainippon Ink and Chemicals, Inc.
- Sadao Takehara
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Optically active carboxylic acid derivatives and liquid crystalline...
- Patent number 4,914,224
- Issue date Apr 3, 1990
- Dainippon Ink and Chemicals, Inc.
- Tadao Shoji
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Optically active carboxylic acid derivatives and liquid crystalline...
- Patent number 4,911,862
- Issue date Mar 27, 1990
- Dainippon Ink and Chemicals, Inc.
- Tadao Shoji
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Novel liquid crystalline compounds having substituents
- Patent number 4,828,754
- Issue date May 9, 1989
- Dainippon Ink and Chemicals, Inc.
- Sadao Takehara
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...

Patents Applicationslast 30 patents

Information Patent Application
1,7,8-Trifluoronaphthalene-2-naphthol, and method for producing liq...
- Publication number 20060163537
- Publication date Jul 27, 2006
- Dainippon Ink and Chemicals, Inc.
- Tetsuo Kusumoto
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Naphthalene derivative and liquid crystal composition comprising th...
- Publication number 20030136944
- Publication date Jul 24, 2003
- Dainippon Ink and Chemicals, Inc.
- Sadao Takehara
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Polymerizable compound, polymerizable liquid crystal composition co...
- Publication number 20020060310
- Publication date May 23, 2002
- Dainippon Ink and Chemicals, Inc.
- Hiroshi Hasebe
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
Fluorine-substituted-4-alkenylbenzoic acid and derivatives thereof,...
- Publication number 20020053659
- Publication date May 9, 2002
- Dainippon Ink and Chemicals, Inc.
- Kiyofumi Takeuchi
- C07 - ORGANIC CHEMISTRY

Sadao Takehara

Person

Patents Grantslast 30 patents

1,7,8-Trifluoronaphthalene-2-naphthol, and method for producing liq...

Naphthalene derivative and liquid crystal composition comprising th...

Fused ring compound

Decahydronaphthalene derivative

Compound having tetrahydronaphthalene skeleton and liquid crystal c...

Fluorine-substituted-4-alkenylbenzoic acid and derivatives thereof,...

Polymerizable compound, polymerizable liquid crystal composition co...

Naphthalene derivative and liquid crystal composition comprising th...

Fluorine-substituted-4-alkenylbenzoic acid and derivatives thereof,...

Azine derivative, process for the preparation thereof, nematic liqu...

Cyclic hydrocarbon derivative and liquid crystal composition contai...

Cyclic hydrocarbon derivative and liquid crystal composition contai...

Lactic acid derivatives and liquid crystal compositions containing...

2,5-disubstituted pyrazine derivatives, pyrimidine derivatives, and...

Optically active compound, intermediate therefor, process for produ...

Optically active lactone derivative, intermediate therefor, process...

2,4-disubstituted pyrazine derivatives, pyrimidine derivatives, and...

Liquid crystalline compounds having substituents

Optically active carboxylic acid derivatives and liquid crystalline...

Optically active carboxylic acid derivatives and liquid crystalline...

Novel liquid crystalline compounds having substituents

Patents Applicationslast 30 patents

1,7,8-Trifluoronaphthalene-2-naphthol, and method for producing liq...

Naphthalene derivative and liquid crystal composition comprising th...

Polymerizable compound, polymerizable liquid crystal composition co...

Fluorine-substituted-4-alkenylbenzoic acid and derivatives thereof,...