Inventor
OKAWA KAZUO
JP20 patents
⚠️ This page may combine multiple inventors who share the name “OKAWA KAZUO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SEIKO EPSON CORP
9 patentsUS7923940B2Apr 12, 2011
Discharge lamp lighting device and projector
SEIKO EPSON CORP17 citations92
US7511433B2Mar 31, 2009
Discharge lamp lighting device and projector
SEIKO EPSON CORP23 citations92
US6979960B2Dec 27, 2005
Circuit for driving light source, projector, method for controlling lighting of light source, and computer readable program for executing the same
SEIKO EPSON CORP38 citations92
US7946715B2May 24, 2011
Light source and projector
SEIKO EPSON CORP13 citations84
US7084586B2Aug 1, 2006
Discharge lamp lighting apparatus and discharge lamp apparatus
SEIKO EPSON CORP7 citations72
US7999488B2Aug 16, 2011
Ignition controller, light source, projector and ignition control method
SEIKO EPSON CORP5 citations62
US7999490B2Aug 16, 2011
Light source, projector, and method for driving light source
SEIKO EPSON CORP4 citations62
US7439681B2Oct 21, 2008
Ballast and projector
SEIKO EPSON CORP2 citations62
US8044613B2Oct 25, 2011
Discharge lamp lighting device, control method thereof, and projector
SEIKO EPSON CORP1 citations52
YAMAUCHI KENTARO
4 patentsUS8203280B2Jun 19, 2012
Light source device, projector, and driving method of discharge lamp
YAMAUCHI KENTARO7 citations83
US8558471B2Oct 15, 2013
Light source device, projector, and driving method of discharge lamp
YAMAUCHI KENTARO4 citations73
US8167438B2May 1, 2012
Light source device, projector, and driving method of discharge lamp
YAMAUCHI KENTARO2 citations62
US8937436B2Jan 20, 2015
Light source device, projector, and driving method of discharge lamp
YAMAUCHI KENTARO0 citations51
TERASHIMA TETSUO
4 patentsUS8264170B2Sep 11, 2012
Discharge lamp lighting device, method of driving discharge lamp, and projector
TERASHIMA TETSUO4 citations62
US8102128B2Jan 24, 2012
Driving method and driving device for discharge lamp, light source device, and image display device
TERASHIMA TETSUO0 citations52
US8089214B2Jan 3, 2012
Driving method and driving device for discharge lamp, light source device, and image display device
TERASHIMA TETSUO0 citations52
US8076861B2Dec 13, 2011
Driving method and driving device for discharge lamp, light source device, and image display device
TERASHIMA TETSUO0 citations52