Joji Kitahara

Person

Suwa, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Piezoelectric drive device and electronic device
- Patent number 8,189,431
- Issue date May 29, 2012
- Seiko Epson Corporation
- Joji Kitahara
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Electronic timepiece with generator function
- Patent number 7,876,070
- Issue date Jan 25, 2011
- Seiko Epson Corporation
- Joji Kitahara
- G04 - HOROLOGY
Information Patent Grant
Timepiece
- Patent number 7,859,949
- Issue date Dec 28, 2010
- Seiko Epson Corporation
- Joji Kitahara
- G04 - HOROLOGY
Information Patent Grant
Drive control apparatus, electronic apparatus, method of controllin...
- Patent number 7,663,978
- Issue date Feb 16, 2010
- Seiko Epson Corporation
- Takashi Kawaguchi
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Electronic timepiece with calendar function and control method for...
- Patent number 7,616,527
- Issue date Nov 10, 2009
- Seiko Epson Corporation
- Shuichi Tamura
- G04 - HOROLOGY
Information Patent Grant
Piezoelectric actuator and electronic equipment with piezoelectric...
- Patent number 7,583,564
- Issue date Sep 1, 2009
- Seiko Epson Corporation
- Joji Kitahara
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Electronic timepiece and electronic apparatus
- Patent number 7,158,449
- Issue date Jan 2, 2007
- Seiko Epson Corporation
- Shigeyuki Fujimori
- G04 - HOROLOGY
Information Patent Grant
Piezoelectric actuator, timepiece, and electronic device
- Patent number 7,109,638
- Issue date Sep 19, 2006
- Seiko Epson Corporation
- Joji Kitahara
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Electronic timepiece with a date display function
- Patent number 7,027,360
- Issue date Apr 11, 2006
- Seiko Epson Corporation
- Joji Kitahara
- G04 - HOROLOGY
Information Patent Grant
Portable electronic device and control method for controlling the p...
- Patent number 6,424,600
- Issue date Jul 23, 2002
- Seiko Epson Corporation
- Makoto Okeya
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Time-measurement device and method of controlling the same
- Patent number 6,367,967
- Issue date Apr 9, 2002
- Seiko Epson Corporation
- Hiroyuki Kojima
- G04 - HOROLOGY
Information Patent Grant
Electronic unit, and control method for electronic unit
- Patent number 6,327,225
- Issue date Dec 4, 2001
- Seiko Epson Corporation
- Makoto Okeya
- G04 - HOROLOGY
Information Patent Grant
Electronic equipment and control method for electronic equipment
- Patent number 6,320,822
- Issue date Nov 20, 2001
- Seiko Epson Corporation
- Makoto Okeya
- G04 - HOROLOGY
Information Patent Grant
Electronic device and method of controlling the same
- Patent number 6,262,554
- Issue date Jul 17, 2001
- Seiko Epson Corporation
- Hiroyuki Kojima
- G05 - CONTROLLING REGULATING
Information Patent Grant
Electronic watch
- Patent number 6,183,125
- Issue date Feb 6, 2001
- Seiko Epson Corporation
- Tatsuo Hara
- G04 - HOROLOGY
Information Patent Grant
Electronic device
- Patent number 6,163,126
- Issue date Dec 19, 2000
- Seiko Epson Corporation
- Hiroyuki Kojima
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Electronic watch
- Patent number 6,120,177
- Issue date Sep 19, 2000
- Seiko Epson Corporation
- Tatsuo Hara
- G04 - HOROLOGY
Information Patent Grant
Display device and watch with same
- Patent number 6,097,672
- Issue date Aug 1, 2000
- Seiko Epson Corporation
- Joji Kitahara
- G04 - HOROLOGY
Information Patent Grant
Electronic watch
- Patent number 6,012,838
- Issue date Jan 11, 2000
- Seiko Epson Corporation
- Tatsuo Hara
- G04 - HOROLOGY
Information Patent Grant
Electronic timepiece and method of charging the same
- Patent number 5,822,278
- Issue date Oct 13, 1998
- Seiko Epson Corporation
- Yasuhiro Ohshima
- G04 - HOROLOGY
Information Patent Grant
Electronic timepiece and method of charging the same
- Patent number 5,740,132
- Issue date Apr 14, 1998
- Seiko Epson Corporation
- Yasuhiro Ohshima
- G04 - HOROLOGY
Information Patent Grant
Analog indicator type electronic timepiece and charging method thereof
- Patent number 5,581,519
- Issue date Dec 3, 1996
- Seiko Epson Corporation
- Tatsuo Hara
- G04 - HOROLOGY
Information Patent Grant
Ultrasonic motor for driving an analog electronic watch
- Patent number 5,479,380
- Issue date Dec 26, 1995
- Seiko Epson Corporation
- Osamu Miyazawa
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Ultrasonic motor and drive method
- Patent number 5,237,237
- Issue date Aug 17, 1993
- Seiko Epson Corporation
- Tomoo Ueda
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

Information Patent Application
PIEZOELECTRIC DRIVE DEVICE AND ELECTRONIC DEVICE
- Publication number 20100177603
- Publication date Jul 15, 2010
- SEIKO EPSON CORPORATION
- Joji KITAHARA
- G04 - HOROLOGY
Information Patent Application
Timepiece
- Publication number 20100002545
- Publication date Jan 7, 2010
- SEIKO EPSON CORPORATION
- Joji Kitahara
- G04 - HOROLOGY
Information Patent Application
Electronic Timepiece with Generator Function
- Publication number 20080246437
- Publication date Oct 9, 2008
- SEIKO EPSON CORPORATION
- Joji Kitahara
- G04 - HOROLOGY
Information Patent Application
Piezoelectric actuator and electronic equipment with piezoelectric...
- Publication number 20070008829
- Publication date Jan 11, 2007
- SEIKO EPSON CORPORATION
- Joji Kitahara
- G04 - HOROLOGY
Information Patent Application
Timepiece driving apparatus and time calculating apparatus
- Publication number 20060245304
- Publication date Nov 2, 2006
- SEIKO EPSON CORPORATION
- Akihiko Maruyama
- G04 - HOROLOGY
Information Patent Application
Drive control apparatus, electronic apparatus, method of controllin...
- Publication number 20050231184
- Publication date Oct 20, 2005
- SEIKO EPSON CORPORATION
- Takashi Kawaguchi
- G04 - HOROLOGY
Information Patent Application
Electronic timepiece with calendar function and control method for...
- Publication number 20050185513
- Publication date Aug 25, 2005
- Seiko Epson Corporation
- Shuichi Tamura
- G04 - HOROLOGY
Information Patent Application
Piezoelectric actuator, timepiece, and electronic device
- Publication number 20050184621
- Publication date Aug 25, 2005
- Joji Kitahara
- G04 - HOROLOGY
Information Patent Application
Analog electronic timepiece
- Publication number 20040233793
- Publication date Nov 25, 2004
- Akihiro Sawada
- G04 - HOROLOGY
Information Patent Application
Timepiece driving apparatus and time calculating apparatus
- Publication number 20040233794
- Publication date Nov 25, 2004
- SEIKO EPSON CORPORATION
- Akihiko Maruyama
- G04 - HOROLOGY
Information Patent Application
Electronic timepiece and electronic apparatus
- Publication number 20040105347
- Publication date Jun 3, 2004
- Shigeyuki Fujimori
- G04 - HOROLOGY
Information Patent Application
Electronic timepiece with a date display function
- Publication number 20030198139
- Publication date Oct 23, 2003
- Joji Kitahara
- G04 - HOROLOGY

Joji Kitahara

Person

Patents Grantslast 30 patents

Piezoelectric drive device and electronic device

Electronic timepiece with generator function

Timepiece

Drive control apparatus, electronic apparatus, method of controllin...

Electronic timepiece with calendar function and control method for...

Piezoelectric actuator and electronic equipment with piezoelectric...

Electronic timepiece and electronic apparatus

Piezoelectric actuator, timepiece, and electronic device

Electronic timepiece with a date display function

Portable electronic device and control method for controlling the p...

Time-measurement device and method of controlling the same

Electronic unit, and control method for electronic unit

Electronic equipment and control method for electronic equipment

Electronic device and method of controlling the same

Electronic watch

Electronic device

Electronic watch

Display device and watch with same

Electronic watch

Electronic timepiece and method of charging the same

Electronic timepiece and method of charging the same

Analog indicator type electronic timepiece and charging method thereof

Ultrasonic motor for driving an analog electronic watch

Ultrasonic motor and drive method

Patents Applicationslast 30 patents

PIEZOELECTRIC DRIVE DEVICE AND ELECTRONIC DEVICE

Timepiece

Electronic Timepiece with Generator Function

Piezoelectric actuator and electronic equipment with piezoelectric...

Timepiece driving apparatus and time calculating apparatus

Drive control apparatus, electronic apparatus, method of controllin...

Electronic timepiece with calendar function and control method for...

Piezoelectric actuator, timepiece, and electronic device

Analog electronic timepiece

Timepiece driving apparatus and time calculating apparatus

Electronic timepiece and electronic apparatus

Electronic timepiece with a date display function