Takeshi Takezawa

Person

Makamoto-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Light source apparatus and projector
- Patent number 11,150,548
- Issue date Oct 19, 2021
- Seiko Epson Corporation
- Junichi Suzuki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Projector
- Patent number 10,983,426
- Issue date Apr 20, 2021
- Seiko Epson Corporation
- Kunihiko Takagi
- G02 - OPTICS
Information Patent Grant
Light source device, projector, and driving method of discharge lamp
- Patent number 8,937,436
- Issue date Jan 20, 2015
- Seiko Epson Corporation
- Kentaro Yamauchi
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Projector
- Patent number 8,807,754
- Issue date Aug 19, 2014
- Seiko Epson Corporation
- Tetsuo Terashima
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Projector
- Patent number 8,591,034
- Issue date Nov 26, 2013
- Seiko Epson Corporation
- Tetsuo Terashima
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Light source device, projector, and driving method of discharge lamp
- Patent number 8,558,471
- Issue date Oct 15, 2013
- Seiko Epson Corporation
- Kentaro Yamauchi
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Light source device, illumination system, and projector
- Patent number 8,506,128
- Issue date Aug 13, 2013
- Seiko Epson Corporation
- Hidefumi Sakata
- F21 - LIGHTING
Information Patent Grant
Method of driving discharge lamp, driving device, and projector
- Patent number 8,350,489
- Issue date Jan 8, 2013
- Seiko Epson Corporation
- Kentaro Yamauchi
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Method of driving discharge lamp, driving device, and projector
- Patent number 8,344,645
- Issue date Jan 1, 2013
- Seiko Epson Corporation
- Takeshi Takezawa
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Discharge lamp lighting device, projector, and control method of di...
- Patent number 8,317,339
- Issue date Nov 27, 2012
- Seiko Epson Corporation
- Takeshi Takezawa
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Light source device and projector
- Patent number RE43777
- Issue date Oct 30, 2012
- Seiko Epson Corporation
- Motoyuki Fujimori
- 353 - Optics: image projectors
Information Patent Grant
Light source device and projector with improved airflow
- Patent number 8,287,135
- Issue date Oct 16, 2012
- Seiko Epson Corporation
- Takeshi Takezawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Method of driving discharge lamp, driving device, and projector
- Patent number 8,264,164
- Issue date Sep 11, 2012
- Seiko Epson Corporation
- Kentaro Yamauchi
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Lighting device, light source device, projector, and discharge lamp...
- Patent number 8,246,175
- Issue date Aug 21, 2012
- Seiko Epson Corporation
- Takeshi Takezawa
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Projector having first and second lamps with an illumination contro...
- Patent number 8,242,425
- Issue date Aug 14, 2012
- Seiko Epson Corporation
- Yuichiro Matsumoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Light source device, image display apparatus, and method of generat...
- Patent number 8,217,582
- Issue date Jul 10, 2012
- Seiko Epson Corporation
- Kentaro Yamauchi
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Projector having a plurality of light source devices
- Patent number 8,215,779
- Issue date Jul 10, 2012
- Seiko Epson Corporation
- Takeshi Takezawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Light source device, projector, and driving method of discharge lamp
- Patent number 8,203,280
- Issue date Jun 19, 2012
- Seiko Epson Corporation
- Kentaro Yamauchi
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Light source device, projector, and driving method of discharge lamp
- Patent number 8,167,438
- Issue date May 1, 2012
- Seiko Epson Corporation
- Kentaro Yamauchi
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Light source device and projector
- Patent number RE43321
- Issue date Apr 24, 2012
- Seiko Epson Corporation
- Motoyuki Fujimori
- 353 - Optics: image projectors
Information Patent Grant
Method of driving discharge lamp, driving device, and projector
- Patent number 8,143,802
- Issue date Mar 27, 2012
- Seiko Epson Corporation
- Takeshi Takezawa
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Discharge lamp lighting device, control method thereof, and projector
- Patent number 8,138,684
- Issue date Mar 20, 2012
- Seiko Epson Corporation
- Kazuhiro Tanaka
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Driving method and driving device for discharge lamp, light source...
- Patent number 8,102,128
- Issue date Jan 24, 2012
- Seiko Epson Corporation
- Tetsuo Terashima
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Driving method and driving device for discharge lamp, light source...
- Patent number 8,089,214
- Issue date Jan 3, 2012
- Seiko Epson Corporation
- Tetsuo Terashima
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Driving method and driving device for discharge lamp, light source...
- Patent number 8,076,861
- Issue date Dec 13, 2011
- Seiko Epson Corporation
- Tetsuo Terashima
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Method of driving discharge lamp, driving device, and projector
- Patent number 8,044,602
- Issue date Oct 25, 2011
- Seiko Epson Corporation
- Kentaro Yamauchi
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Projector using ballast controlled high-pressure discharge lamps
- Patent number 8,042,953
- Issue date Oct 25, 2011
- Seiko Epson Corporation
- Takeshi Takezawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Discharge lamp lighting device, control method thereof, and projector
- Patent number 8,044,613
- Issue date Oct 25, 2011
- Seiko Epson Corporation
- Kazuo Okawa
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Light source, projector, and method for driving light source
- Patent number 7,999,490
- Issue date Aug 16, 2011
- Seiko Epson Corporation
- Tetsuo Terashima
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Light source having a holding unit with air supply port for cooling...
- Patent number 7,972,013
- Issue date Jul 5, 2011
- Seiko Epson Corporation
- Shigeyasu Soma
- F21 - LIGHTING

Patents Applicationslast 30 patents

Information Patent Application
PROJECTOR
- Publication number 20200257188
- Publication date Aug 13, 2020
- SEIKO EPSON CORPORATION
- Kunihiko TAKAGI
- G02 - OPTICS
Information Patent Application
LIGHT SOURCE APPARATUS AND PROJECTOR
- Publication number 20200064722
- Publication date Feb 27, 2020
- SEIKO EPSON CORPORATION
- Junichi SUZUKI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
PROJECTOR
- Publication number 20140055752
- Publication date Feb 27, 2014
- SEIKO EPSON CORPORATION
- Tetsuo TERASHIMA
- G02 - OPTICS
Information Patent Application
LIGHT SOURCE DEVICE, PROJECTOR, AND DRIVING METHOD OF DISCHARGE LAMP
- Publication number 20120249011
- Publication date Oct 4, 2012
- SEIKO EPSON CORPORATION
- Kentaro Yamauchi
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
METHOD OF DRIVING DISCHARGE LAMP, DRIVING DEVICE, AND PROJECTOR
- Publication number 20120169247
- Publication date Jul 5, 2012
- SEIKO EPSON CORPORATION
- Takeshi Takezawa
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
LIGHT SOURCE DEVICE, PROJECTOR, AND DRIVING METHOD OF DISCHARGE LAMP
- Publication number 20120086923
- Publication date Apr 12, 2012
- SEIKO EPSON CORPORATION
- Kentaro Yamauchi
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
PROJECTOR
- Publication number 20120026468
- Publication date Feb 2, 2012
- SEIKO EPSON CORPORATION
- Tetsuo TERASHIMA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHOD OF DRIVING DISCHARGE LAMP, DRIVING DEVICE, AND PROJECTOR
- Publication number 20120008106
- Publication date Jan 12, 2012
- SEIKO EPSON CORPORATION
- Kentaro YAMAUCHI
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
LIGHT SOURCE DEVICE AND PROJECTOR
- Publication number 20110242505
- Publication date Oct 6, 2011
- SEIKO EPSON CORPORATION
- Yuji Takado
- F21 - LIGHTING
Information Patent Application
LIGHT SOURCE DEVICE, ILLUMINATION SYSTEM, AND PROJECTOR
- Publication number 20100302510
- Publication date Dec 2, 2010
- SEIKO EPSON CORPORATION
- Hidefumi SAKATA
- F21 - LIGHTING
Information Patent Application
LIGHT SOURCE DEVICE AND PROJECTOR
- Publication number 20100231867
- Publication date Sep 16, 2010
- SEIKO EPSON CORPORATION
- Takeshi TAKEZAWA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
PROJECTOR AND METHOD OF CONTROLLING LIGHTING THEREOF
- Publication number 20100208212
- Publication date Aug 19, 2010
- SEIKO EPSON CORPORATION
- Yuichiro MATSUMOTO
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DISCHARGE LAMP LIGHTING DEVICE, PROJECTOR, AND CONTROL METHOD OF DI...
- Publication number 20100165305
- Publication date Jul 1, 2010
- SEIKO EPSON CORPORATION
- Takeshi Takezawa
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
LIGHT SOURCE DEVICE, IMAGE DISPLAY APPARATUS, AND METHOD OF GENERAT...
- Publication number 20100148682
- Publication date Jun 17, 2010
- SEIKO EPSON CORPORATION
- Kentaro Yamauchi
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
LIGHTING DEVICE, LIGHT SOURCE DEVICE, PROJECTOR, AND DISCHARGE LAMP...
- Publication number 20100134766
- Publication date Jun 3, 2010
- SEIKO EPSON CORPORATION
- Takeshi Takezawa
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
PROJECTOR
- Publication number 20100007861
- Publication date Jan 14, 2010
- SEIKO EPSON CORPORATION
- Takeshi Takezawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
DRIVING METHOD AND DRIVING DEVICE FOR DISCHARGE LAMP, LIGHT SOURCE...
- Publication number 20090236998
- Publication date Sep 24, 2009
- SEIKO EPSON CORPORATION
- Tetsuo Terashima
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
DISCHARGE LAMP LIGHTING DEVICE, CONTROL METHOD THEREOF, AND PROJECTOR
- Publication number 20090237009
- Publication date Sep 24, 2009
- SEIKO EPSON CORPORATION
- Kazuo Okawa
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
DISCHARGE LAMP LIGHTING DEVICE, CONTROL METHOD THEREOF, AND PROJECTOR
- Publication number 20090231553
- Publication date Sep 17, 2009
- SEIKO EPSON CORPORATION
- Kazuhiro Tanaka
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
METHOD OF DRIVING DISCHARGE LAMP, DRIVING DEVICE, AND PROJECTOR
- Publication number 20090218955
- Publication date Sep 3, 2009
- SEIKO EPSON CORPORATION
- Takeshi Takezawa
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
PROJECTOR
- Publication number 20090213336
- Publication date Aug 27, 2009
- SEIKO EPSON CORPORATION
- Takeshi Takezawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHOD OF DRIVING DISCHARGE LAMP, DRIVING DEVICE, AND PROJECTOR
- Publication number 20090213341
- Publication date Aug 27, 2009
- SEIKO EPSON CORPORATION
- Kentaro YAMAUCHI
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
DRIVING METHOD AND DRIVING DEVICE FOR DISCHARGE LAMP, LIGHT SOURCE...
- Publication number 20090212711
- Publication date Aug 27, 2009
- SEIKO EPSON CORPORATION
- Tetsuo Terashima
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
DRIVING METHOD AND DRIVING DEVICE FOR DISCHARGE LAMP, LIGHT SOURCE...
- Publication number 20090212714
- Publication date Aug 27, 2009
- SEIKO EPSON CORPORATION
- Tetsuo Terashima
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
METHOD OF DRIVING DISCHARGE LAMP, DRIVING DEVICE, AND PROJECTOR
- Publication number 20090207385
- Publication date Aug 20, 2009
- SEIKO EPSON CORPORATION
- Kentaro YAMAUCHI
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Light source device, projector, and driving method of discharge lamp
- Publication number 20090153806
- Publication date Jun 18, 2009
- SEIKO EPSON CORPORATION
- Kentaro Yamauchi
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
Light source device, projector, and driving method of discharge lamp
- Publication number 20090153073
- Publication date Jun 18, 2009
- SEIKO EPSON CORPORATION
- Kentaro Yamauchi
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
LIGHT SOURCE, PROJECTOR, AND METHOD FOR DRIVING LIGHT SOURCE
- Publication number 20090108770
- Publication date Apr 30, 2009
- SEIKO EPSON CORPORATION
- Tetsuo TERASHIMA
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
LIGHT SOURCE AND PROJECTOR
- Publication number 20090085495
- Publication date Apr 2, 2009
- SEIKO EPSON CORPORATION
- Kentaro YAMAUCHI
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Lighting system, projector, and method for assembling lighting system
- Publication number 20090080199
- Publication date Mar 26, 2009
- SEIKO EPSON CORPORATION
- Takeshi Takezawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Takeshi Takezawa

Person

Patents Grantslast 30 patents

Light source apparatus and projector

Projector

Light source device, projector, and driving method of discharge lamp

Projector

Projector

Light source device, projector, and driving method of discharge lamp

Light source device, illumination system, and projector

Method of driving discharge lamp, driving device, and projector

Method of driving discharge lamp, driving device, and projector

Discharge lamp lighting device, projector, and control method of di...

Light source device and projector

Light source device and projector with improved airflow

Method of driving discharge lamp, driving device, and projector

Lighting device, light source device, projector, and discharge lamp...

Projector having first and second lamps with an illumination contro...

Light source device, image display apparatus, and method of generat...

Projector having a plurality of light source devices

Light source device, projector, and driving method of discharge lamp

Light source device, projector, and driving method of discharge lamp

Light source device and projector

Method of driving discharge lamp, driving device, and projector

Discharge lamp lighting device, control method thereof, and projector

Driving method and driving device for discharge lamp, light source...

Driving method and driving device for discharge lamp, light source...

Driving method and driving device for discharge lamp, light source...

Method of driving discharge lamp, driving device, and projector

Projector using ballast controlled high-pressure discharge lamps

Discharge lamp lighting device, control method thereof, and projector

Light source, projector, and method for driving light source

Light source having a holding unit with air supply port for cooling...

Patents Applicationslast 30 patents

PROJECTOR

LIGHT SOURCE APPARATUS AND PROJECTOR

PROJECTOR

LIGHT SOURCE DEVICE, PROJECTOR, AND DRIVING METHOD OF DISCHARGE LAMP

METHOD OF DRIVING DISCHARGE LAMP, DRIVING DEVICE, AND PROJECTOR

LIGHT SOURCE DEVICE, PROJECTOR, AND DRIVING METHOD OF DISCHARGE LAMP

PROJECTOR

METHOD OF DRIVING DISCHARGE LAMP, DRIVING DEVICE, AND PROJECTOR

LIGHT SOURCE DEVICE AND PROJECTOR

LIGHT SOURCE DEVICE, ILLUMINATION SYSTEM, AND PROJECTOR

LIGHT SOURCE DEVICE AND PROJECTOR

PROJECTOR AND METHOD OF CONTROLLING LIGHTING THEREOF

DISCHARGE LAMP LIGHTING DEVICE, PROJECTOR, AND CONTROL METHOD OF DI...

LIGHT SOURCE DEVICE, IMAGE DISPLAY APPARATUS, AND METHOD OF GENERAT...

LIGHTING DEVICE, LIGHT SOURCE DEVICE, PROJECTOR, AND DISCHARGE LAMP...

PROJECTOR

DRIVING METHOD AND DRIVING DEVICE FOR DISCHARGE LAMP, LIGHT SOURCE...

DISCHARGE LAMP LIGHTING DEVICE, CONTROL METHOD THEREOF, AND PROJECTOR

DISCHARGE LAMP LIGHTING DEVICE, CONTROL METHOD THEREOF, AND PROJECTOR

METHOD OF DRIVING DISCHARGE LAMP, DRIVING DEVICE, AND PROJECTOR

PROJECTOR

METHOD OF DRIVING DISCHARGE LAMP, DRIVING DEVICE, AND PROJECTOR

DRIVING METHOD AND DRIVING DEVICE FOR DISCHARGE LAMP, LIGHT SOURCE...

DRIVING METHOD AND DRIVING DEVICE FOR DISCHARGE LAMP, LIGHT SOURCE...

METHOD OF DRIVING DISCHARGE LAMP, DRIVING DEVICE, AND PROJECTOR

Light source device, projector, and driving method of discharge lamp

Light source device, projector, and driving method of discharge lamp

LIGHT SOURCE, PROJECTOR, AND METHOD FOR DRIVING LIGHT SOURCE

LIGHT SOURCE AND PROJECTOR

Lighting system, projector, and method for assembling lighting system