Akihiko Kanemoto

Person

Yokohama, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Color filter layer and reflection type multicolor for liquid crysta...
- Patent number 6,414,732
- Issue date Jul 2, 2002
- Ricoh Company, Ltd.
- Fuminao Matsumoto
- G02 - OPTICS
Information Patent Grant
Liquid crystal display device
- Patent number 6,351,299
- Issue date Feb 26, 2002
- Ricoh Company, Ltd.
- Yasuyuki Takiguchi
- G02 - OPTICS
Information Patent Grant
Color filter for liquid crystal display device
- Patent number 6,068,953
- Issue date May 30, 2000
- Ricoh Company, Ltd.
- Fuminao Matsumoto
- G02 - OPTICS
Information Patent Grant
Liquid crystal display device
- Patent number 6,061,042
- Issue date May 9, 2000
- Ricoh Company, Ltd.
- Hiroyuki Takahashi
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Plastic color filter manufacturing method and color filter manufact...
- Patent number 5,969,780
- Issue date Oct 19, 1999
- Ricoh Company, Ltd.
- Fuminao Matsumoto
- G02 - OPTICS
Information Patent Grant
Color liquid crystal device having thickness controlling layers dis...
- Patent number 5,623,353
- Issue date Apr 22, 1997
- Ricoh Company, Ltd.
- Akihiko Kanemoto
- G02 - OPTICS
Information Patent Grant
Liquid crystal prepolymer composition and liquid crystal display de...
- Patent number 5,496,497
- Issue date Mar 5, 1996
- Ricoh Company, Ltd.
- Yasuyuki Takiguchi
- G02 - OPTICS
Information Patent Grant
Color liquid crystal device having thickness controlling layers dis...
- Patent number 5,493,429
- Issue date Feb 20, 1996
- Ricoh Company, Ltd.
- Akihiko Kanemoto
- 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
Reflection type liquid crystal display with selective reflecting means
- Patent number 5,408,344
- Issue date Apr 18, 1995
- Ricoh Company, Inc.
- Yasuyuki Takiguchi
- G02 - OPTICS
Information Patent Grant
Liquid crystal display device with improved viewing angle dependenc...
- Patent number 5,380,459
- Issue date Jan 10, 1995
- Ricoh Company, Ltd.
- Akihiko Kanemoto
- G02 - OPTICS
Information Patent Grant
Optically active azo compound, producing method thereof, and liquid...
- Patent number 5,314,997
- Issue date May 24, 1994
- Ricoh Company, Ltd.
- Masayuki Shoshi
- C07 - ORGANIC CHEMISTRY
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
DAP type liquid crystal device with cholesteric liquid crystal bire...
- Patent number 5,243,451
- Issue date Sep 7, 1993
- Ricoh Company, Ltd.
- Akihiko Kanemoto
- G02 - OPTICS
Information Patent Grant
Super-twisted nematic type liquid crystal display device
- Patent number 5,184,237
- Issue date Feb 2, 1993
- Ricoh Company, Ltd.
- Haruo Iimura
- G02 - OPTICS
Information Patent Grant
ECB type liquid crystal display device having birefringent layer wi...
- Patent number 5,175,638
- Issue date Dec 29, 1992
- Ricoh Company, Ltd.
- Akihiko Kanemoto
- G02 - OPTICS
Information Patent Grant
Liquid crystal display element
- Patent number 5,150,237
- Issue date Sep 22, 1992
- Ricoh Company, Ltd.
- Haruo Iimura
- 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-...
Information Patent Grant
Liquid crystal display device with dielectric anisotropy
- Patent number 5,056,896
- Issue date Oct 15, 1991
- Ricoh Company, Ltd.
- Haruo Iimura
- G02 - OPTICS
Information Patent Grant
Liquid crystal display device
- Patent number 4,984,873
- Issue date Jan 15, 1991
- Ricoh Company, Ltd.
- Yasuyuki Takiguchi
- G02 - OPTICS
Information Patent Grant
Process of making a liquid crystal element
- Patent number 4,921,728
- Issue date May 1, 1990
- Ricoh Company, Ltd.
- Yasuyuki Takiguchi
- G02 - OPTICS
Information Patent Grant
Projection device for irradiating a light to a display device and o...
- Patent number 4,818,074
- Issue date Apr 4, 1989
- Ricoh Company, Ltd.
- Kenya Yokoi
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
LIQUID CRYSTAL DISPLAY DEVICE
- Publication number 20010005246
- Publication date Jun 28, 2001
- YASUYUKI TAKIGUCHI
- G02 - OPTICS

Akihiko Kanemoto

Person

Patents Grantslast 30 patents

Color filter layer and reflection type multicolor for liquid crysta...

Liquid crystal display device

Color filter for liquid crystal display device

Liquid crystal display device

Plastic color filter manufacturing method and color filter manufact...

Color liquid crystal device having thickness controlling layers dis...

Liquid crystal prepolymer composition and liquid crystal display de...

Color liquid crystal device having thickness controlling layers dis...

Phase plate and liquid crystal display using same

Reflection type liquid crystal display with selective reflecting means

Liquid crystal display device with improved viewing angle dependenc...

Optically active azo compound, producing method thereof, and liquid...

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

DAP type liquid crystal device with cholesteric liquid crystal bire...

Super-twisted nematic type liquid crystal display device

ECB type liquid crystal display device having birefringent layer wi...

Liquid crystal display element

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

Liquid crystal display device with dielectric anisotropy

Liquid crystal display device

Process of making a liquid crystal element

Projection device for irradiating a light to a display device and o...

Patents Applicationslast 30 patents

LIQUID CRYSTAL DISPLAY DEVICE