Kazuo Okawa

Person

Suwa-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Discharge lamp lighting device, projector, and method for driving d...
- Patent number 9,392,676
- Issue date Jul 12, 2016
- Seiko Epson Corporation
- Kazuo Okawa
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
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
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
Discharge lamp lighting device, projector, and discharge lamp light...
- Patent number 8,541,955
- Issue date Sep 24, 2013
- Seiko Epson Corporation
- Kazuo Okawa
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Discharge lamp lighting device, method of driving discharge lamp, a...
- Patent number 8,264,170
- Issue date Sep 11, 2012
- Seiko Epson Corporation
- Tetsuo Terashima
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
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
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
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
Ignition controller, light source, projector and ignition control m...
- Patent number 7,999,488
- Issue date Aug 16, 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 and projector
- Patent number 7,946,715
- Issue date May 24, 2011
- Seiko Epson Corporation
- Kentaro Yamauchi
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Discharge lamp lighting device and projector
- Patent number 7,923,940
- Issue date Apr 12, 2011
- Seiko Epson Corporation
- Kazuo Okawa
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Discharge lamp lighting device and projector
- Patent number 7,511,433
- Issue date Mar 31, 2009
- Seiko Epson Corporation
- Kazuo Okawa
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Ballast and projector
- Patent number 7,439,681
- Issue date Oct 21, 2008
- Seiko Epson Corporation
- Kazuo Okawa
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Discharge lamp lighting apparatus and discharge lamp apparatus
- Patent number 7,084,586
- Issue date Aug 1, 2006
- TDK Corporation
- Yutaka Ishihara
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Circuit for driving light source, projector, method for controlling...
- Patent number 6,979,960
- Issue date Dec 27, 2005
- Seiko Epson Corporation
- Kazuo Okawa
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Discharge lamp lighting apparatus and discharge lamp apparatus
- Patent number 6,815,912
- Issue date Nov 9, 2004
- TDK Corporation
- Yutaka Ishihara
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

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
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
DISCHARGE LAMP LIGHTING DEVICE, PROJECTOR, AND METHOD FOR DRIVING D...
- Publication number 20110095696
- Publication date Apr 28, 2011
- SEIKO EPSON CORPORATION
- Kazuo OKAWA
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
DISCHARGE LAMP LIGHTING DEVICE, PROJECTOR, AND DISCHARGE LAMP LIGHT...
- Publication number 20100277085
- Publication date Nov 4, 2010
- SEIKO EPSON CORPORATION
- Kazuo OKAWA
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
DISCHARGE LAMP LIGHTING DEVICE, METHOD OF DRIVING DISCHARGE LAMP, A...
- Publication number 20100201281
- Publication date Aug 12, 2010
- 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 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
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
Discharge lamp lighting device and projector
- Publication number 20090160348
- Publication date Jun 25, 2009
- SEIKO EPSON CORPORATION
- Kazuo OKAWA
- 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
Ignition controller, light source, projector and ignition control m...
- Publication number 20090001904
- Publication date Jan 1, 2009
- SEIKO EPSON CORPORATION
- Kazuo OKAWA
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
DISCHARGE LAMP LIGHTING DEVICE AND PROJECTOR
- Publication number 20070188107
- Publication date Aug 16, 2007
- SEIKO EPSON CORPORATION
- Kazuo OKAWA
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Ballast and projector
- Publication number 20060279229
- Publication date Dec 14, 2006
- SEIKO EPSON CORPORATION
- Kazuo Okawa
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
Discharge lamp lighting apparatus and discharge lamp apparatus
- Publication number 20050057194
- Publication date Mar 17, 2005
- TDK Corporation
- Yutaka Ishihara
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
Circuit for driving light source, projector, method for controlling...
- Publication number 20040136134
- Publication date Jul 15, 2004
- SEIKO EPSON CORPORATION
- Kazuo Okawa
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
Discharge lamp lighting apparatus and discharge lamp apparatus
- Publication number 20030062855
- Publication date Apr 3, 2003
- TDK Corporation
- Yutaka Ishihara
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR

Kazuo Okawa

Person

Patents Grantslast 30 patents

Discharge lamp lighting device, projector, and method for driving d...

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

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

Discharge lamp lighting device, projector, and discharge lamp light...

Discharge lamp lighting device, method of driving discharge lamp, a...

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

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

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...

Discharge lamp lighting device, control method thereof, and projector

Ignition controller, light source, projector and ignition control m...

Light source, projector, and method for driving light source

Light source and projector

Discharge lamp lighting device and projector

Discharge lamp lighting device and projector

Ballast and projector

Discharge lamp lighting apparatus and discharge lamp apparatus

Circuit for driving light source, projector, method for controlling...

Discharge lamp lighting apparatus and discharge lamp apparatus

Patents Applicationslast 30 patents

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

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

DISCHARGE LAMP LIGHTING DEVICE, PROJECTOR, AND METHOD FOR DRIVING D...

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

DISCHARGE LAMP LIGHTING DEVICE, METHOD OF DRIVING DISCHARGE LAMP, A...

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

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...

Discharge lamp lighting 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

Ignition controller, light source, projector and ignition control m...

DISCHARGE LAMP LIGHTING DEVICE AND PROJECTOR

Ballast and projector

Discharge lamp lighting apparatus and discharge lamp apparatus

Circuit for driving light source, projector, method for controlling...

Discharge lamp lighting apparatus and discharge lamp apparatus