Inventor
KUMADA TOYOHIKO
JP17 patents
⚠️ This page may combine multiple inventors who share the name “KUMADA TOYOHIKO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
USHIO ELECTRIC INC
15 patentsUS6375533B1Apr 23, 2002
Electricity lead-in body for bulb and method for manufacturing the same
USHIO ELECTRIC INC32 citations91
US5962977AOct 5, 1999
Low pressure discharge lamp having electrodes with a lithium-containing electrode emission material
USHIO ELECTRIC INC44 citations90
US4768057AAug 30, 1988
Flash fixing apparatus
USHIO ELECTRIC INC19 citations73
US6940217B2Sep 6, 2005
Short arc ultra-high pressure discharge lamp
USHIO ELECTRIC INC3 citations60
US6861806B2Mar 1, 2005
Super-high pressure discharge lamp of the short arc type
USHIO ELECTRIC INC5 citations60
US6787996B1Sep 7, 2004
Lamp seal using functionally gradient material
USHIO ELECTRIC INC2 citations60
US6762557B2Jul 13, 2004
Super-high pressure discharge lamp of the short arc type
USHIO ELECTRIC INC3 citations60
US6911775B2Jun 28, 2005
Short-arc, ultra-high pressure discharge lamp
USHIO ELECTRIC INC0 citations50
US8354792B2Jan 15, 2013
Fused joint structure in a lamp tube and forming method therefor
USHIO ELECTRIC INC0 citations49
US7999475B2Aug 16, 2011
Short arc type discharge lamp
USHIO ELECTRIC INC0 citations49
US7898180B2Mar 1, 2011
High pressure discharge lamp
USHIO ELECTRIC INC0 citations49
US8350476B2Jan 8, 2013
Short arc type discharge lamp
USHIO ELECTRIC INC0 citations45
US6713957B2Mar 30, 2004
Super-high pressure discharge lamp of the short arc type
USHIO ELECTRIC INC0 citations45
US7656093B2Feb 2, 2010
Discharge lamp and metal foil for a discharge lamp
USHIO ELECTRIC INC0 citations40
US6923700B2Aug 2, 2005
Short-arc, ultra-high-pressure discharge lamp and method of manufacture
USHIO ELECTRIC INC0 citations33