Assignee
KUMHO ELECTRIC INC
KR·21 granted patents·3 pending applications·164 citations·filing 2005–2018
Top patents by PatentIndex Score
24 records- 0193US8919991B2Tube-type LED illumination lampKUMHO ELECTRIC INC·Filed 2013·Granted Dec 30, 2014·36 cites·9 claims
- 0292US8907556B2LED lampKUMHO ELECTRIC INC·Filed 2012·Granted Dec 9, 2014·20 cites·11 claims
- 0385US8907557B2LED lampKUMHO ELECTRIC INC·Filed 2012·Granted Dec 9, 2014·6 cites·8 claims
- 0485USD520667SLight fixture for cold cathode fluorescence lampKUMHO ELECTRIC INC·Filed 2005·Granted May 9, 2006·70 cites·1 claims
- 0565US9732914B2LED lampKUMHO ELECTRIC INC·Filed 2015·Granted Aug 15, 2017·1 cites·11 claims
- 0660USD962458SScalp care deviceKUMHO ELECTRIC INC·Filed 2018·Granted Aug 30, 2022·9 cites·1 claims
- 0760USD809697SCruciform ceiling lightKUMHO ELECTRIC INC·Filed 2016·Granted Feb 6, 2018·11 cites·1 claims
- 0857US7942564B2Overspeed prevention structure using plastic optical fiberKUMHO ELECTRIC INC·Filed 2008·Granted May 17, 2011·3 cites·2 claims
- 0956US9832835B2LED fluorescent lampKUMHO ELECTRIC INC·Filed 2016·Granted Nov 28, 2017·0 cites·7 claims
- 1056US7837345B2Aquatic light emitting deviceKUMHO ELECTRIC INC·Filed 2008·Granted Nov 23, 2010·3 cites·3 claims
- 1155US9078309B2LED fluorescent lampKUMHO ELECTRIC INC·Filed 2013·Granted Jul 7, 2015·0 cites·29 claims
- 1255US7341359B2Lighting device using cold cathode fluorescent lampKUMHO ELECTRIC INC·Filed 2005·Granted Mar 11, 2008·3 cites·5 claims
- 1354US9072136B2LED fluorescent lampKUMHO ELECTRIC INC·Filed 2014·Granted Jun 30, 2015·0 cites·10 claims
- 1454US7956545B2Field emission deviceKUMHO ELECTRIC INC·Filed 2007·Granted Jun 7, 2011·0 cites·3 claims
- 1552US9253830B2LED fluorescent lampKUMHO ELECTRIC INC·Filed 2013·Granted Feb 2, 2016·0 cites·4 claims
- 1651US2011121724A1Filament for fluorescent lampKUMHO ELECTRIC INC·Filed 2008·Application pending·0 cites
- 1749US9572205B2LED fluorescent lampKUMHO ELECTRIC INC·Filed 2015·Granted Feb 14, 2017·0 cites·4 claims
- 1847US9041301B2LED fluorescent lampKUMHO ELECTRIC INC·Filed 2013·Granted May 26, 2015·0 cites·12 claims
- 1944US9732915B2LED fluorescent lampKUMHO ELECTRIC INC·Filed 2016·Granted Aug 15, 2017·0 cites·7 claims
- 2042US9646799B1Apparatus for sealing arc-tubeKUMHO ELECTRIC INC·Filed 2016·Granted May 9, 2017·0 cites·8 claims
- 2141US2011037400A1Constant Current Driving Circuit for Field Emission DeviceKUMHO ELECTRIC INC·Filed 2010·Application pending·0 cites
- 2240US9512967B2Straight type lampKUMHO ELECTRIC INC·Filed 2014·Granted Dec 6, 2016·0 cites·7 claims
- 2337US2016245491A1Transparent light emitting apparatusKUMHO ELECTRIC INC·Filed 2015·Application pending·0 cites
- 2422USD743587SLED fluorescent lampKUMHO ELECTRIC INC·Filed 2014·Granted Nov 17, 2015·2 cites·1 claims
Join the waitlist — get patent alerts
Get an alert when KUMHO ELECTRIC INC files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →