Osamu Itoh

Person

Hitachi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Active matrix type liquid crystal display apparatus
- Patent number 7,684,005
- Issue date Mar 23, 2010
- Hitachi, Ltd.
- Yuka Utsumi
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Active matrix type liquid crystal display apparatus
- Patent number 7,433,012
- Issue date Oct 7, 2008
- Hitachi, Ltd.
- Yuka Utsumi
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Translucent reflective type liquid crystal display
- Patent number 7,277,143
- Issue date Oct 2, 2007
- Hitachi Displays, Ltd.
- Katsuyuki Funahata
- G02 - OPTICS
Information Patent Grant
Active matrix type liquid crystal display apparatus
- Patent number 7,209,211
- Issue date Apr 24, 2007
- Hitachi, Ltd.
- Yuka Utsumi
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Active matrix type liquid crystal display apparatus including liqui...
- Patent number 6,621,538
- Issue date Sep 16, 2003
- Hitachi, Ltd.
- Yuka Utsumi
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Liquid crystal display
- Patent number 6,362,862
- Issue date Mar 26, 2002
- Hitachi, Ltd.
- Osamu Itoh
- G02 - OPTICS
Information Patent Grant
Active matrix type liquid crystal display apparatus with light sour...
- Patent number 6,137,560
- Issue date Oct 24, 2000
- Hitachi, Ltd.
- Yuka Utsumi
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Reflective LCD with cylindrical pattern formed in reflecting electr...
- Patent number 6,104,460
- Issue date Aug 15, 2000
- Hitachi, Ltd.
- Makoto Abe
- G02 - OPTICS
Information Patent Grant
Liquid crystal display polarizing beam splitter with specific incid...
- Patent number 6,094,240
- Issue date Jul 25, 2000
- Hitachi, Ltd.
- Ikuo Hiyama
- G02 - OPTICS
Information Patent Grant
Liquid crystal projector
- Patent number 5,973,759
- Issue date Oct 26, 1999
- Hitachi, Ltd.
- Osamu Itoh
- G02 - OPTICS
Information Patent Grant
Reflective liquid crystal display device
- Patent number 5,841,496
- Issue date Nov 24, 1998
- Hitachi, Ltd.
- Osamu Itoh
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Liquid crystal display apparatus
- Patent number 5,835,175
- Issue date Nov 10, 1998
- Hitachi, Ltd.
- Osamu Itoh
- G02 - OPTICS
Information Patent Grant
Reflective-type display device having a refractive index ratio betw...
- Patent number 5,828,431
- Issue date Oct 27, 1998
- Hitachi, Ltd.
- Masahiko Ando
- G02 - OPTICS
Information Patent Grant
Reflective liquid crystal display apparatus which does not require...
- Patent number 5,818,554
- Issue date Oct 6, 1998
- Hitachi, Ltd.
- Ikuo Hiyama
- G02 - OPTICS
Information Patent Grant
Liquid crystal display device with residual retardation compensated...
- Patent number 5,519,523
- Issue date May 21, 1996
- Hitachi, Ltd.
- Hitomi Madokoro
- G02 - OPTICS
Information Patent Grant
Liquid crystal display apparatus having driving voltage to enable l...
- Patent number 5,485,295
- Issue date Jan 16, 1996
- Hitachi, Ltd.
- Osamu Itoh
- G02 - OPTICS
Information Patent Grant
Supertwisted, nematic liquid crystal display device with LC birefri...
- Patent number 5,291,322
- Issue date Mar 1, 1994
- Hitachi, Ltd.
- Osamu Itoh
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
Active Matrix Type Liquid Crystal Display Apparatus
- Publication number 20090040438
- Publication date Feb 12, 2009
- Yuka Utsumi
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
Active matrix type liquid crystal display apparatus
- Publication number 20060087482
- Publication date Apr 27, 2006
- Yuka Utsumi
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
Translucent reflective type liquid crystal display
- Publication number 20050264728
- Publication date Dec 1, 2005
- Katsuyuki Funahata
- G02 - OPTICS
Information Patent Application
Active matrix type liquid crystal display apparatus
- Publication number 20040021818
- Publication date Feb 5, 2004
- Yuka Utsumi
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS

Person

Patents Grantslast 30 patents

Active matrix type liquid crystal display apparatus

Active matrix type liquid crystal display apparatus

Translucent reflective type liquid crystal display

Active matrix type liquid crystal display apparatus

Active matrix type liquid crystal display apparatus including liqui...

Liquid crystal display

Active matrix type liquid crystal display apparatus with light sour...

Reflective LCD with cylindrical pattern formed in reflecting electr...

Liquid crystal display polarizing beam splitter with specific incid...

Liquid crystal projector

Reflective liquid crystal display device

Liquid crystal display apparatus

Reflective-type display device having a refractive index ratio betw...

Reflective liquid crystal display apparatus which does not require...

Liquid crystal display device with residual retardation compensated...

Liquid crystal display apparatus having driving voltage to enable l...

Supertwisted, nematic liquid crystal display device with LC birefri...

Patents Applicationslast 30 patents

Active Matrix Type Liquid Crystal Display Apparatus

Active matrix type liquid crystal display apparatus

Translucent reflective type liquid crystal display

Active matrix type liquid crystal display apparatus