Assignee
GEM LIGHTING LLC
US·5 granted patents·84 citations·filing 1999–2003
Technology mixH01J5
Top patents by PatentIndex Score
5 records- 0190US6483237B2High intensity discharge lamp with single crystal sapphire envelopeGEM LIGHTING LLC·Filed 2002·Granted Nov 19, 2002·26 cites·38 claims
- 0284US6414436B1Sapphire high intensity discharge projector lampGEM LIGHTING LLC·Filed 1999·Granted Jul 2, 2002·42 cites·13 claims
- 0377US6661174B2Sapphire high intensity discharge projector lampGEM LIGHTING LLC·Filed 2001·Granted Dec 9, 2003·8 cites·7 claims
- 0467US6992445B2High intensity discharge lamp with single crystal sapphire envelopeGEM LIGHTING LLC·Filed 2003·Granted Jan 31, 2006·4 cites·40 claims
- 0567US6652344B2High intensity discharge lamp with single crystal sapphire envelopeGEM LIGHTING LLC·Filed 2002·Granted Nov 25, 2003·4 cites·2 claims
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