Toshihiro Ohba

Person

Tenri, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Electric current driving type display device and pixel circuit
- Patent number 8,289,246
- Issue date Oct 16, 2012
- Sharp Kabushiki Kaisha
- Seiji Ohhashi
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Method and apparatus for driving display device
- Patent number 6,127,993
- Issue date Oct 3, 2000
- Sharp Kabushiki Kaisha
- Toshihiro Ohba
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Liquid crystal display device
- Patent number 5,818,411
- Issue date Oct 6, 1998
- Sharp Kabushiki Kaisha
- Atsushi Sakamoto
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Driving method for a liquid crystal display
- Patent number 5,786,799
- Issue date Jul 28, 1998
- Sharp Kabushiki Kaisha
- Kiyohisa Matsui
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Method and apparatus for driving a display device
- Patent number 5,325,107
- Issue date Jun 28, 1994
- Sharp Kabushiki Kaisha
- Ikuo Ogawa
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Method and apparatus for driving capacitive display device
- Patent number 5,311,169
- Issue date May 10, 1994
- Sharp Kabushiki Kaisha
- Shuji Inada
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Method and apparatus for driving display apparatus
- Patent number 5,309,150
- Issue date May 3, 1994
- Sharp Kabushiki Kaisha
- Toshihiro Ohba
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Display unit having brightness control function
- Patent number 5,262,766
- Issue date Nov 16, 1993
- Sharp Kabushiki Kaisha
- Atsushi Sakamoto
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Method of driving a display device
- Patent number 5,233,340
- Issue date Aug 3, 1993
- Sharp Kabushiki Kaisha
- Hisashi Yamaguchi
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Method and apparatus for driving a capacitive flat matrix display p...
- Patent number 5,206,631
- Issue date Apr 27, 1993
- Sharp Kabushiki Kaisha
- Kyoichi Yamamoto
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Thin film el display device
- Patent number 5,032,829
- Issue date Jul 16, 1991
- Sharp Kabushiki Kaisha
- Kazuo Shoji
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Thin film EL display panel drive circuit
- Patent number 5,006,838
- Issue date Apr 9, 1991
- Sharp Kabushiki Kaisha
- Yosihide Fujioka
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Driving method of thin film EL display unit and driving circuit the...
- Patent number 4,999,618
- Issue date Mar 12, 1991
- Sharp Kabushiki Kaisha
- Shuji Inada
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Thin film EL display panel drive circuit
- Patent number 4,983,885
- Issue date Jan 8, 1991
- Sharp Kabushiki Kaisha
- Yoshihide Fujioka
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Thin film el display panel drive circuit
- Patent number 4,962,374
- Issue date Oct 9, 1990
- Sharp Kabushiki Kaisha
- Yosihide Fujioka
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Driving method for thin film el display device and driving circuit...
- Patent number 4,951,041
- Issue date Aug 21, 1990
- Sharp Kabushiki Kaisha
- Shuji Inada
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Method of driving thin film EL panel for aging
- Patent number 4,949,019
- Issue date Aug 14, 1990
- Sharp Kabushiki Kaisha
- Kinichi Isaka
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Thin-film EL display panel drive
- Patent number 4,935,671
- Issue date Jun 19, 1990
- Sharp Kabushiki Kaisha
- Shigeyuki Harada
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Thin-film EL display panel drive circuit
- Patent number 4,914,353
- Issue date Apr 3, 1990
- Sharp Kabushiki Kaisha
- Shigeyuki Harada
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Drive circuit for a thin-film electroluminescent display panel
- Patent number 4,893,060
- Issue date Jan 9, 1990
- Sharp Kabushiki Kaisha
- Toshihiro Ohba
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Driving circuit of thin membrane EL display apparatus
- Patent number 4,888,523
- Issue date Dec 19, 1989
- Sharp Kabushiki Kaisha
- Kazuo Shoji
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Drive system for a thin-film el panel
- Patent number 4,866,348
- Issue date Sep 12, 1989
- Sharp Kabushiki Kaisha
- Shigeyuki Harada
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Driving circuit for thin film EL display device
- Patent number 4,864,182
- Issue date Sep 5, 1989
- Sharp Kabushiki Kaisha
- Yoshihide Fujioka
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Electroluminescent panel driving system for driving the panel's ele...
- Patent number 4,823,121
- Issue date Apr 18, 1989
- Sharp Kabushiki Kaisha
- Atsushi Sakamoto
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
EL panel drive system
- Patent number 4,801,920
- Issue date Jan 31, 1989
- Sharp Kabushiki Kaisha
- Toshihiro Ohba
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Thin-film EL display panel drive circuit with voltage compensation
- Patent number 4,686,426
- Issue date Aug 11, 1987
- Sharp Kabushiki Kaisha
- Yoshihide Fujioka
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Method and circuit for driving electroluminescent display panels wi...
- Patent number 4,594,589
- Issue date Jun 10, 1986
- Sharp Kabushiki Kaisha
- Toshihiro Ohba
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Circuit and method for driving a thin-film EL panel
- Patent number 4,485,379
- Issue date Nov 27, 1984
- Sharp Kabushiki Kaisha
- Hiroshi Kinoshita
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Method and apparatus for driving a thin-film EL panel
- Patent number 4,479,120
- Issue date Oct 23, 1984
- Sharp Kabushiki Kaisha
- Toshihiro Ohba
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Electroluminescent display panel assembly
- Patent number 4,468,659
- Issue date Aug 28, 1984
- Sharp Kabushiki Kaisha
- Toshihiro Ohba
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS

Patents Applicationslast 30 patents

Information Patent Application
ELECTRIC CURRENT DRIVING TYPE DISPLAY DEVICE AND PIXEL CIRCUIT
- Publication number 20130027374
- Publication date Jan 31, 2013
- Seiji Ohhashi
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
ELECTRIC CURRENT DRIVING TYPE DISPLAY DEVICE AND PIXEL CIRCUIT
- Publication number 20100225623
- Publication date Sep 9, 2010
- Seiji Ohhashi
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS

Toshihiro Ohba

Person

Patents Grantslast 30 patents

Electric current driving type display device and pixel circuit

Method and apparatus for driving display device

Liquid crystal display device

Driving method for a liquid crystal display

Method and apparatus for driving a display device

Method and apparatus for driving capacitive display device

Method and apparatus for driving display apparatus

Display unit having brightness control function

Method of driving a display device

Method and apparatus for driving a capacitive flat matrix display p...

Thin film el display device

Thin film EL display panel drive circuit

Driving method of thin film EL display unit and driving circuit the...

Thin film EL display panel drive circuit

Thin film el display panel drive circuit

Driving method for thin film el display device and driving circuit...

Method of driving thin film EL panel for aging

Thin-film EL display panel drive

Thin-film EL display panel drive circuit

Drive circuit for a thin-film electroluminescent display panel

Driving circuit of thin membrane EL display apparatus

Drive system for a thin-film el panel

Driving circuit for thin film EL display device

Electroluminescent panel driving system for driving the panel's ele...

EL panel drive system

Thin-film EL display panel drive circuit with voltage compensation

Method and circuit for driving electroluminescent display panels wi...

Circuit and method for driving a thin-film EL panel

Method and apparatus for driving a thin-film EL panel

Electroluminescent display panel assembly

Patents Applicationslast 30 patents

ELECTRIC CURRENT DRIVING TYPE DISPLAY DEVICE AND PIXEL CIRCUIT

ELECTRIC CURRENT DRIVING TYPE DISPLAY DEVICE AND PIXEL CIRCUIT