Hiroaki Jo

Person

Fujimi-machi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Level-shift circuit, electro-optical device, and level shift method
- Patent number 8,710,895
- Issue date Apr 29, 2014
- Seiko Epson Corporation
- Hiroaki Jo
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Pixel circuit, driving circuit, light emitting apparatus, electroni...
- Patent number 8,537,078
- Issue date Sep 17, 2013
- Seiko Epson Corporation
- Hiroaki Jo
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Data line driving circuit, electro-optical device, data line drivin...
- Patent number 8,094,097
- Issue date Jan 10, 2012
- Seiko Epson Corporation
- Toshiyuki Kasai
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Light-emitting device and image forming apparatus
- Patent number 8,077,125
- Issue date Dec 13, 2011
- Seiko Epson Corporation
- Hiroaki Jo
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Light-emitting device and electronic apparatus
- Patent number 8,004,174
- Issue date Aug 23, 2011
- Seiko Epson Corporation
- Hiroaki Jo
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Light emitting apparatus and electronic device
- Patent number 7,999,269
- Issue date Aug 16, 2011
- Seiko Epson Corporation
- Toshiaki Miyao
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Light emitting device and electronic apparatus
- Patent number 7,942,547
- Issue date May 17, 2011
- Seiko Epson Corporation
- Hiroaki Jo
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Electro-optical device, method of driving the same, and electronic...
- Patent number 7,932,876
- Issue date Apr 26, 2011
- Seiko Epson Corporation
- Hiroaki Jo
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Electro-optical device that includes a plurality of driving transis...
- Patent number 7,924,457
- Issue date Apr 12, 2011
- Seiko Epson Corporation
- Hiroaki Jo
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Light emitting device and electronic apparatus
- Patent number 7,902,559
- Issue date Mar 8, 2011
- Seiko Epson Corporation
- Tsukasa Eguchi
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Electro-optical device controlling driving current to each electro-...
- Patent number 7,898,688
- Issue date Mar 1, 2011
- Seiko Epson Corporation
- Shinsuke Fujikawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Electro-optical device, drive circuit, driving method, and electron...
- Patent number 7,760,163
- Issue date Jul 20, 2010
- Seiko Epson Corporation
- Hiroaki Jo
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Optical head, control method thereof, and image forming apparatus
- Patent number 7,714,883
- Issue date May 11, 2010
- Seiko Epson Corporation
- Shinsuke Fujikawa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Electro-optical device, driving method therefor, and electronic app...
- Patent number 7,692,611
- Issue date Apr 6, 2010
- Seiko Epson Corporation
- Hiroaki Jo
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Electro-optical device, driving circuit and driving method thereof,...
- Patent number 7,623,108
- Issue date Nov 24, 2009
- Seiko Epson Corporation
- Hiroaki Jo
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Current supply circuit, current supply device, voltage supply circu...
- Patent number 7,542,031
- Issue date Jun 2, 2009
- Seiko Epson Corporation
- Hiroaki Jo
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Pixel circuit, electro-optical device, and electronic apparatus
- Patent number 7,502,002
- Issue date Mar 10, 2009
- Seiko Epson Corporation
- Hiroshi Horiuchi
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
DA converter, data line driving circuit, electro-optical device, dr...
- Patent number 7,486,285
- Issue date Feb 3, 2009
- Seiko Epson Corporation
- Hiroaki Jo
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Digital-to-analog converting circuit, electrooptical device, and el...
- Patent number 7,453,383
- Issue date Nov 18, 2008
- Seiko Epson Corporation
- Hiroaki Jo
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Electro-optical device, method of driving the same, data line drivi...
- Patent number 7,443,540
- Issue date Oct 28, 2008
- Seiko Epson Corporation
- Toshiyuki Kasai
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Electro-optical device, method of driving the same and electronic a...
- Patent number 7,375,711
- Issue date May 20, 2008
- Seiko Epson Corporation
- Hiroshi Horiuchi
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Electro-optical device, method of driving electro-optical device, a...
- Patent number 7,348,942
- Issue date Mar 25, 2008
- Seiko Epson Corporation
- Hiroaki Jo
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Pixel circuit, electro-optical device, and electronic apparatus
- Patent number 7,319,444
- Issue date Jan 15, 2008
- Seiko Epson Corporation
- Hiroaki Jo
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Electronic device, element substrate, electro-optical device, metho...
- Patent number 7,286,122
- Issue date Oct 23, 2007
- Seiko Epson Corporation
- Hiroaki Jo
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Electronic circuit, electronic device, electro-optical apparatus, a...
- Patent number 7,145,531
- Issue date Dec 5, 2006
- Seiko Epson Corporation
- Hiroaki Jo
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Digital-to-analog converting circuit, electrooptical device, and el...
- Patent number 7,006,026
- Issue date Feb 28, 2006
- Seiko Epson Corporation
- Hiroaki Jo
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Electronic device, method for driving the electronic device, electr...
- Patent number 6,806,497
- Issue date Oct 19, 2004
- Seiko Epson Corporation
- Hiroaki Jo
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS

Patents Applicationslast 30 patents

Information Patent Application
EXPOSURE HEAD AND IMAGE FORMING APPARATUS
- Publication number 20110122218
- Publication date May 26, 2011
- SEIKO EPSON CORPORATION
- Nozomu INOUE
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
PIXEL CIRCUIT, DRIVING CIRCUIT, LIGHT EMITTING APPARATUS, ELECTRONI...
- Publication number 20110001740
- Publication date Jan 6, 2011
- SEIKO EPSON CORPORATION
- Hiroaki Jo
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
LIGHT EMITTING APPARATUS AND ELECTRONIC DEVICE
- Publication number 20090321751
- Publication date Dec 31, 2009
- SEIKO EPSON CORPORATION
- Toshiaki MIYAO
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
LIGHT EMITTING DEVICE AND ELECTRONIC APPARATUS
- Publication number 20090147512
- Publication date Jun 11, 2009
- SEIKO EPSON CORPORATION
- Hiroaki JO
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
LIGHT-EMITTING DEVICE AND ELECTRONIC APPARATUS
- Publication number 20090140631
- Publication date Jun 4, 2009
- SEIKO EPSON CORPORATION
- Hiroaki JO
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
LIGHT EMITTING DEVICE AND ELECTRONIC APPARATUS
- Publication number 20090140265
- Publication date Jun 4, 2009
- SEIKO EPSON CORPORATION
- Tsukasa EGUCHI
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
LIGHT EMITTING DEVICE, METHOD OF DRIVING THE SAME, AND ELECTRONIC A...
- Publication number 20090140658
- Publication date Jun 4, 2009
- SEIKO EPSON CORPORATION
- Hiroaki JO
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
Data line driving circuit, electro-optic device, and electronic app...
- Publication number 20090122090
- Publication date May 14, 2009
- SEIKO EPSON CORPORATION
- Hiroaki Jo
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
DA converter, data line driving circuit, electro-optical device, dr...
- Publication number 20090115769
- Publication date May 7, 2009
- SEIKO EPSON CORPORATION
- Hiroaki Jo
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
DATA LINE DRIVING CIRCUIT, ELECTRO-OPTICAL APPARATUS, AND ELECTRONI...
- Publication number 20090066676
- Publication date Mar 12, 2009
- SEIKO EPSON CORPORATION
- Hiroaki Jo
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
Electro-optical device, method of driving the same, data line drivi...
- Publication number 20090033687
- Publication date Feb 5, 2009
- SEIKO EPSON CORPORATION
- Toshiyuki Kasai
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
LEVEL-SHIFT CIRCUIT, ELECTRO-OPTICAL DEVICE, AND LEVEL SHIFT METHOD
- Publication number 20080224755
- Publication date Sep 18, 2008
- SEIKO EPSON CORPORATION
- Hiroaki Jo
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
OPTICAL HEAD, CONTROL METHOD THEREOF, AND IMAGE FORMING APPARATUS
- Publication number 20080111878
- Publication date May 15, 2008
- SEIKO EPSON CORPORATION
- Shinsuke FUJIKAWA
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
LIGHT-EMITTING DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20080079669
- Publication date Apr 3, 2008
- SEIKO EPSON CORPORATION
- Hiroaki JO
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
ELECTRO-OPTICAL DEVICE, METHOD OF DRIVING THE SAME, AND ELECTRONIC...
- Publication number 20080048945
- Publication date Feb 28, 2008
- SEIKO EPSON CORPORATION
- Hiroaki JO
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
ELECTRO-OPTICAL DEVICE, METHOD OF DRIVING ELECTRO-OPTICAL DEVICE, A...
- Publication number 20070262934
- Publication date Nov 15, 2007
- SEIKO EPSON CORPORATION
- Shinsuke FUJIKAWA
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
SIGNAL TRANSMISSION METHOD, DRIVE CIRCUIT, ELECTRO-OPTICAL DEVICE,...
- Publication number 20070212078
- Publication date Sep 13, 2007
- SEIKO EPSON CORPORATION
- Hiroaki Jo
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
LIGHT-EMITTING DEVICE, CIRCUIT FOR DRIVING THE SAME, AND ELECTRONIC...
- Publication number 20070001940
- Publication date Jan 4, 2007
- SEIKO EPSON CORPORATION
- Hiroaki JO
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
Electro-optical device, drive circuit, driving method, and electron...
- Publication number 20060158396
- Publication date Jul 20, 2006
- SEIKO EPSON CORPORATION
- Hiroaki Jo
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
Electro-optical device, method of driving the same, and electronic...
- Publication number 20060092185
- Publication date May 4, 2006
- SEIKO EPSON CORPORATION
- Hiroaki Jo
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
Electro-optical device, method of driving the same, data line drivi...
- Publication number 20060066906
- Publication date Mar 30, 2006
- SEIKO EPSON CORPORATION
- Toshiyuki Kasai
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
Data line driving circuit, electro-optical device, data line drivin...
- Publication number 20060066538
- Publication date Mar 30, 2006
- SEIKO EPSON CORPORATION
- Toshiyuki Kasai
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
Digital-to-analog converting circuit, electroopitcal device, and el...
- Publication number 20060017589
- Publication date Jan 26, 2006
- SEIKO EPSON CORPORATION
- Hiroaki Jo
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
DA converter, data line driving circuit, electro-optical device, dr...
- Publication number 20050270205
- Publication date Dec 8, 2005
- SEIKO EPSON CORPORATION
- Hiroaki Jo
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
Current supply circuit, current supply device, voltage supply circu...
- Publication number 20050259099
- Publication date Nov 24, 2005
- SEIKO EPSON CORPORATION
- Hiroaki Jo
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
Electro-optical device, driving circuit and driving method thereof,...
- Publication number 20050195178
- Publication date Sep 8, 2005
- SEIKO EPSON CORPORATION
- Hiroaki Jo
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
Data line driving circuit, electro-optic device, and electronic app...
- Publication number 20050156834
- Publication date Jul 21, 2005
- SEIKO EPSON CORPORATION
- Hiroaki Jo
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
Pixel circuit, electro-optical device, and electronic apparatus
- Publication number 20050122052
- Publication date Jun 9, 2005
- SEIKO EPSON CORPORATION
- Hiroshi Horiuchi
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
Electro-optical device, method of driving the same and electronic a...
- Publication number 20050057581
- Publication date Mar 17, 2005
- SEIKO EPSON CORPORATION
- Hiroshi Horiuchi
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
Electro-optical device, driving method therefor, and electronic app...
- Publication number 20050057191
- Publication date Mar 17, 2005
- SEIKO EPSON CORPORATION
- Hiroaki Jo
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS

Person

Patents Grantslast 30 patents

Level-shift circuit, electro-optical device, and level shift method

Pixel circuit, driving circuit, light emitting apparatus, electroni...

Data line driving circuit, electro-optical device, data line drivin...

Light-emitting device and image forming apparatus

Light-emitting device and electronic apparatus

Light emitting apparatus and electronic device

Light emitting device and electronic apparatus

Electro-optical device, method of driving the same, and electronic...

Electro-optical device that includes a plurality of driving transis...

Light emitting device and electronic apparatus

Electro-optical device controlling driving current to each electro-...

Electro-optical device, drive circuit, driving method, and electron...

Optical head, control method thereof, and image forming apparatus

Electro-optical device, driving method therefor, and electronic app...

Electro-optical device, driving circuit and driving method thereof,...

Current supply circuit, current supply device, voltage supply circu...

Pixel circuit, electro-optical device, and electronic apparatus

DA converter, data line driving circuit, electro-optical device, dr...

Digital-to-analog converting circuit, electrooptical device, and el...

Electro-optical device, method of driving the same, data line drivi...

Electro-optical device, method of driving the same and electronic a...

Electro-optical device, method of driving electro-optical device, a...

Pixel circuit, electro-optical device, and electronic apparatus

Electronic device, element substrate, electro-optical device, metho...

Electronic circuit, electronic device, electro-optical apparatus, a...

Digital-to-analog converting circuit, electrooptical device, and el...

Electronic device, method for driving the electronic device, electr...

Patents Applicationslast 30 patents

EXPOSURE HEAD AND IMAGE FORMING APPARATUS

PIXEL CIRCUIT, DRIVING CIRCUIT, LIGHT EMITTING APPARATUS, ELECTRONI...

LIGHT EMITTING APPARATUS AND ELECTRONIC DEVICE

LIGHT EMITTING DEVICE AND ELECTRONIC APPARATUS

LIGHT-EMITTING DEVICE AND ELECTRONIC APPARATUS

LIGHT EMITTING DEVICE AND ELECTRONIC APPARATUS

LIGHT EMITTING DEVICE, METHOD OF DRIVING THE SAME, AND ELECTRONIC A...

Data line driving circuit, electro-optic device, and electronic app...

DA converter, data line driving circuit, electro-optical device, dr...

DATA LINE DRIVING CIRCUIT, ELECTRO-OPTICAL APPARATUS, AND ELECTRONI...

Electro-optical device, method of driving the same, data line drivi...

LEVEL-SHIFT CIRCUIT, ELECTRO-OPTICAL DEVICE, AND LEVEL SHIFT METHOD

OPTICAL HEAD, CONTROL METHOD THEREOF, AND IMAGE FORMING APPARATUS

LIGHT-EMITTING DEVICE AND IMAGE FORMING APPARATUS

ELECTRO-OPTICAL DEVICE, METHOD OF DRIVING THE SAME, AND ELECTRONIC...

ELECTRO-OPTICAL DEVICE, METHOD OF DRIVING ELECTRO-OPTICAL DEVICE, A...

SIGNAL TRANSMISSION METHOD, DRIVE CIRCUIT, ELECTRO-OPTICAL DEVICE,...

LIGHT-EMITTING DEVICE, CIRCUIT FOR DRIVING THE SAME, AND ELECTRONIC...

Electro-optical device, drive circuit, driving method, and electron...

Electro-optical device, method of driving the same, and electronic...

Electro-optical device, method of driving the same, data line drivi...

Data line driving circuit, electro-optical device, data line drivin...

Digital-to-analog converting circuit, electroopitcal device, and el...

DA converter, data line driving circuit, electro-optical device, dr...

Current supply circuit, current supply device, voltage supply circu...

Electro-optical device, driving circuit and driving method thereof,...

Data line driving circuit, electro-optic device, and electronic app...

Pixel circuit, electro-optical device, and electronic apparatus

Electro-optical device, method of driving the same and electronic a...

Electro-optical device, driving method therefor, and electronic app...