Inventor
TAGAWA YUKIHARU
JP19 patents
Patents
19 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
US6495959B1Dec 17, 2002
Cermet for lamp and ceramic discharge lamp
USHIO ELECTRIC INC15 citations81
US6313582B1Nov 6, 2001
Ceramic lamp
USHIO ELECTRIC INC15 citations80
US6486603B1Nov 26, 2002
High-frequency excitation point light source lamp device
USHIO ELECTRIC INC12 citations73
US6465940B1Oct 15, 2002
Cermet and ceramic discharge lamp
USHIO ELECTRIC INC11 citations73
US6597114B1Jul 22, 2003
Lamp and lamp package made of functionally gradient material
USHIO ELECTRIC INC9 citations72
US6107740AAug 22, 2000
Plugging structure for vessels
USHIO ELECTRIC INC9 citations68
US7019462B2Mar 28, 2006
Sealing agent for a foil sealed lamp
USHIO ELECTRIC INC3 citations62
US7015651B2Mar 21, 2006
Light source device having a discharge lamp with high radiance and a current feed controller
USHIO ELECTRIC INC3 citations62
US6175188B1Jan 16, 2001
Sealing body for a discharge lamp
USHIO ELECTRIC INC5 citations61
US9159545B2Oct 13, 2015
Excimer lamp
USHIO ELECTRIC INC2 citations60
US6787996B1Sep 7, 2004
Lamp seal using functionally gradient material
USHIO ELECTRIC INC2 citations60
US6320314B1Nov 20, 2001
Electricity introducing member for vessels
USHIO ELECTRIC INC5 citations60
US7492082B2Feb 17, 2009
Light source apparatus with sealing portion receiving section
USHIO ELECTRIC INC1 citations51
US6814641B2Nov 9, 2004
Method of manufacturing discharge lamps and a discharge lamp with a halogen introduction carrier
USHIO ELECTRIC INC1 citations51
US9355833B2May 31, 2016
Excimer lamp
USHIO ELECTRIC INC0 citations49
US9548196B2Jan 17, 2017
Discharge lamp
USHIO ELECTRIC INC0 citations48
US9633829B2Apr 25, 2017
Discharge lamp
USHIO ELECTRIC INC0 citations45