Takehiro Toyooka

Person

Yokohama, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Diacetylene derivative and liquid crystalline polymer having diacet...
- Patent number 9,139,774
- Issue date Sep 22, 2015
- Tokyo Institute of Technology
- Yuki Arakawa
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Laser oscillation elements
- Patent number 7,826,510
- Issue date Nov 2, 2010
- Nippon Oil Corporation
- Hideo Takezoe
- G02 - OPTICS
Information Patent Grant
Optical diode
- Patent number 7,701,537
- Issue date Apr 20, 2010
- Tokyo Institute of Technology
- Hideo Takezoe
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Circular polarization plate and liquid crystal display device
- Patent number 6,977,700
- Issue date Dec 20, 2005
- Nippon Oil Corporation
- Tetsuya Uesaka
- G02 - OPTICS
Information Patent Grant
Complex diffraction device
- Patent number 6,750,941
- Issue date Jun 15, 2004
- Nippon Mitsubishi Oil Corporation
- Yasushi Satoh
- G02 - OPTICS
Information Patent Grant
Circular polarizer and liquid crystal display
- Patent number 6,628,369
- Issue date Sep 30, 2003
- Nippon Oil Corporation
- Yoshihiro Kumagai
- G02 - OPTICS
Information Patent Grant
Compensating film for a liquid crystal display and an OCB mode liqu...
- Patent number 6,124,913
- Issue date Sep 26, 2000
- Nippon Oil Company, Limited
- Hitoshi Mazaki
- G02 - OPTICS
Information Patent Grant
Liquid crystal display device with compensating film(s)
- Patent number 6,034,754
- Issue date Mar 7, 2000
- Nippon Oil Company, Limited
- Yasushi Sato
- G02 - OPTICS
Information Patent Grant
Liquid crystal display device provided with a liquid crystalline co...
- Patent number 5,943,110
- Issue date Aug 24, 1999
- Nippon Oil Company, Limited
- Eiji Yoda
- G02 - OPTICS
Information Patent Grant
Compensating film for a liquid crystal display and an OCB mode liqu...
- Patent number 5,883,685
- Issue date Mar 16, 1999
- Nippon Oil Company, Limited
- Hitoshi Mazaki
- G02 - OPTICS
Information Patent Grant
Liquid crystalline optical film, compensating film for liquid cryst...
- Patent number 5,855,971
- Issue date Jan 5, 1999
- Nippon Oil Company, Limited
- Yoshihiro Kobori
- G02 - OPTICS
Information Patent Grant
Liquid crystal polymer viewing angle compensator for liquid crystal...
- Patent number 5,526,150
- Issue date Jun 11, 1996
- Nippon Oil Company, Limited
- Hitoshi Mazaki
- G02 - OPTICS
Information Patent Grant
Head-up display system where polarized light from a display impinge...
- Patent number 5,510,913
- Issue date Apr 23, 1996
- Central Glass Company, Limited
- Chikara Hashimoto
- G02 - OPTICS
Information Patent Grant
Compensator for liquid crystal display
- Patent number 5,496,498
- Issue date Mar 5, 1996
- Nippon Oil Company
- Takehiro Toyooka
- G02 - OPTICS
Information Patent Grant
Method for producing viewing angle compensator for liquid crystal d...
- Patent number 5,491,001
- Issue date Feb 13, 1996
- Nippon Oil Company, Limited
- Hitoshi Mazaki
- G02 - OPTICS
Information Patent Grant
Phase plate and liquid crystal display using same
- Patent number 5,472,635
- Issue date Dec 5, 1995
- Nippon Oil Company, Ltd.
- Shigeki Iida
- G02 - OPTICS
Information Patent Grant
Viewing angle compensator for liquid crystal display
- Patent number 5,456,867
- Issue date Oct 10, 1995
- Nippon Oil Company, Limited
- Hitoshi Mazaki
- G02 - OPTICS
Information Patent Grant
Liquid crystalline polyesters
- Patent number 5,391,688
- Issue date Feb 21, 1995
- Nippon Oil Company, Limited
- Hitoshi Mazaki
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for producing heat-resistant optical element by heating liq...
- Patent number 5,359,443
- Issue date Oct 25, 1994
- Nippon Oil Company, Limited
- Takehiro Toyooka
- G02 - OPTICS
Information Patent Grant
Compensator for liquid crystal display
- Patent number 5,326,496
- Issue date Jul 5, 1994
- Nippon Oil Company Limited
- Shigeki Iida
- G02 - OPTICS
Information Patent Grant
Nonlinear optical materials
- Patent number 5,288,426
- Issue date Feb 22, 1994
- Nippon Oil Company Limited
- Hiroyuki Itoh
- G02 - OPTICS
Information Patent Grant
Method for polarizing light
- Patent number 5,260,109
- Issue date Nov 9, 1993
- Nippon Oil Company, Limited
- Shigeki Iida
- G02 - OPTICS
Information Patent Grant
Liquid crystal color display device provided with a color filter fi...
- Patent number 5,250,214
- Issue date Oct 5, 1993
- Ricoh Company, Ltd.
- Akihiko Kanemoto
- G02 - OPTICS
Information Patent Grant
Chiral smectic C liquid crystalline polyester
- Patent number 5,230,825
- Issue date Jul 27, 1993
- Nippon Oil Company, Limited
- Takafumi Ishii
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Optical rotator formed of a twisted nematic liquid crystal polyster...
- Patent number 5,206,752
- Issue date Apr 27, 1993
- Nippon Oil Company, Limited
- Hiroyuki Itoh
- G02 - OPTICS
Information Patent Grant
Method for producing compensator for liquid crystal display
- Patent number 5,193,020
- Issue date Mar 9, 1993
- Nippon Oil Company, Limited
- Iwane Shiozaki
- G02 - OPTICS
Information Patent Grant
Method for orienting a liquid crystal polymer
- Patent number 5,147,682
- Issue date Sep 15, 1992
- Ricoh Company, Ltd.
- Yasuyuki Takiguchi
- G02 - OPTICS
Information Patent Grant
Method for orienting a liquid crystalline polymer
- Patent number 5,132,147
- Issue date Jul 21, 1992
- Nippon Oil Company, Limited
- Yasuyuki Takiguchi
- G02 - OPTICS
Information Patent Grant
Nonlinear optical materials of polypeptides
- Patent number 5,097,016
- Issue date Mar 17, 1992
- Nippon Oil Co., Ltd.
- Takafumi Ishii
- G02 - OPTICS
Information Patent Grant
Substrate with a liquid crystal polymeric thin film and method for...
- Patent number 5,064,697
- Issue date Nov 12, 1991
- Ricoh Company, Ltd.
- Yasuyuki Takiguchi
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

Information Patent Application
DIACETYLENE DERIVATIVE AND LIQUID CRYSTALLINE POLYMER HAVING DIACET...
- Publication number 20130324684
- Publication date Dec 5, 2013
- JX NIPPON OIL & ENERGY CORPORATION
- Yuki Arajawa
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
Photodiode
- Publication number 20070221921
- Publication date Sep 27, 2007
- Hideo Takezoe
- G02 - OPTICS
Information Patent Application
Laser oscillation elements
- Publication number 20070165687
- Publication date Jul 19, 2007
- Hideo Takezoe
- G02 - OPTICS
Information Patent Application
Circular polarization plate and liquid crystal display device
- Publication number 20030164921
- Publication date Sep 4, 2003
- Tetsuya Uesaka
- G02 - OPTICS
Information Patent Application
Circular polarizer and liquid crystal display
- Publication number 20030090619
- Publication date May 15, 2003
- NIPPON OIL CORPORATION
- Yoshihiro Kumagai
- G02 - OPTICS
Information Patent Application
Complex diffraction device
- Publication number 20020101560
- Publication date Aug 1, 2002
- Nippon Mitsubishi Oil Corporation
- Yasushi Satoh
- G02 - OPTICS

Takehiro Toyooka

Person

Patents Grantslast 30 patents

Diacetylene derivative and liquid crystalline polymer having diacet...

Laser oscillation elements

Optical diode

Circular polarization plate and liquid crystal display device

Complex diffraction device

Circular polarizer and liquid crystal display

Compensating film for a liquid crystal display and an OCB mode liqu...

Liquid crystal display device with compensating film(s)

Liquid crystal display device provided with a liquid crystalline co...

Compensating film for a liquid crystal display and an OCB mode liqu...

Liquid crystalline optical film, compensating film for liquid cryst...

Liquid crystal polymer viewing angle compensator for liquid crystal...

Head-up display system where polarized light from a display impinge...

Compensator for liquid crystal display

Method for producing viewing angle compensator for liquid crystal d...

Phase plate and liquid crystal display using same

Viewing angle compensator for liquid crystal display

Liquid crystalline polyesters

Process for producing heat-resistant optical element by heating liq...

Compensator for liquid crystal display

Nonlinear optical materials

Method for polarizing light

Liquid crystal color display device provided with a color filter fi...

Chiral smectic C liquid crystalline polyester

Optical rotator formed of a twisted nematic liquid crystal polyster...

Method for producing compensator for liquid crystal display

Method for orienting a liquid crystal polymer

Method for orienting a liquid crystalline polymer

Nonlinear optical materials of polypeptides

Substrate with a liquid crystal polymeric thin film and method for...

Patents Applicationslast 30 patents

DIACETYLENE DERIVATIVE AND LIQUID CRYSTALLINE POLYMER HAVING DIACET...

Photodiode

Laser oscillation elements

Circular polarization plate and liquid crystal display device

Circular polarizer and liquid crystal display

Complex diffraction device