Inventor
NUMAJIRI YASUYOSHI
JP8 patents
Patents
8 patentsUS5220235AJun 15, 1993
Discharge lamp device
KOITO MFG CO LTD137 citations96
US5286227AFeb 15, 1994
Arc tube and method for manufacturing the same
KOITO MFG CO LTD40 citations92
US6294861B1Sep 25, 2001
Electric discharge lamp apparatus
KOITO MFG CO LTD25 citations91
US6274973B1Aug 14, 2001
Electric discharge lamp apparatus with insulating plug
KOITO MFG CO LTD21 citations91
US6239539B1May 29, 2001
Electric discharge lamp apparatus and insulating plug therefor having a particular front portion
KOITO MFG CO LTD22 citations91
US4879491ANov 7, 1989
Electric lamp assembly
KOITO MFG CO LTD28 citations90
US5402037AMar 28, 1995
Arc tube having particular volume and gas pressure for luminous flux
KOITO MFG CO LTD16 citations72
US7112925B2Sep 26, 2006
Vehicle headlamp system and dimming-type vehicle headlamp
KOITO MFG CO LTD8 citations70