Inventor
SAMEJIMA TAKANORI
JP29 patents
⚠️ This page may combine multiple inventors who share the name “SAMEJIMA TAKANORI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
USHIO ELECTRIC INC
21 patentsUS12219688B2Feb 4, 2025
Dielectric barrier plasma generator and plasma discharge starting method for dielectric barrier plasma generator
USHIO ELECTRIC INC7 citations85
US7012381B2Mar 14, 2006
DC—DC converter and device for operation of a high pressure discharge lamp using the converter
USHIO ELECTRIC INC12 citations84
US7845805B2Dec 7, 2010
Discharge lamp lighting apparatus and projector
USHIO ELECTRIC INC9 citations83
US6946807B2Sep 20, 2005
Lamp lighting apparatus for a discharge lamp
USHIO ELECTRIC INC13 citations83
US7078868B2Jul 18, 2006
DC—DC converter and device for operation of a high pressure discharge lamp using said converter
USHIO ELECTRIC INC8 citations74
US8950873B2Feb 10, 2015
Light source apparatus and projector
USHIO ELECTRIC INC6 citations73
US10191362B2Jan 29, 2019
Light source unit and projector
USHIO ELECTRIC INC2 citations71
US9385505B2Jul 5, 2016
Laser light source apparatus, and method for controlling temperature of wavelength conversion element in laser light source apparatus
USHIO ELECTRIC INC5 citations70
US8358079B2Jan 22, 2013
Discharge lamp light apparatus
USHIO ELECTRIC INC2 citations63
US7847492B2Dec 7, 2010
Discharge lamp lighting apparatus and projector
USHIO ELECTRIC INC4 citations63
US7332868B2Feb 19, 2008
Discharge lamp lighting device
USHIO ELECTRIC INC6 citations63
US7332874B2Feb 19, 2008
Discharge lamp ignition device
USHIO ELECTRIC INC4 citations63
US7078867B2Jul 18, 2006
DC—DC converter and device for operation of a high pressure discharge lamp using said converter
USHIO ELECTRIC INC6 citations63
US9380686B2Jun 28, 2016
Discharge lamp lighting apparatus and projector
USHIO ELECTRIC INC2 citations62
US12356517B2Jul 8, 2025
Light source device, dielectric barrier discharge lamp lighting circuit, dielectric barrier discharge lamp lighting method
USHIO ELECTRIC INC0 citations52
US9749603B2Aug 29, 2017
Projector light source unit having intensity controller
USHIO ELECTRIC INC1 citations52
US9615069B2Apr 4, 2017
Light source unit and projector
USHIO ELECTRIC INC1 citations51
US9581885B2Feb 28, 2017
Light source apparatus and projector
USHIO ELECTRIC INC1 citations50
US9509967B2Nov 29, 2016
Light source device and projector
USHIO ELECTRIC INC1 citations50
US10031407B2Jul 24, 2018
Light source unit and projector
USHIO ELECTRIC INC0 citations42
US9166360B2Oct 20, 2015
Laser light source apparatus
USHIO ELECTRIC INC0 citations37