Inventor
SUMITANI NAOFUMI
JP22 patents
⚠️ This page may combine multiple inventors who share the name “SUMITANI NAOFUMI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NICHIA CORP
21 patentsUSD510913SOct 25, 2005
Light emitting diode
NICHIA CORP47 citations95
US7656083B2Feb 2, 2010
Light emitting device having a backside electrode portion and same thickness protrusion and method of manufacturing the same
NICHIA CORP21 citations92
USD539760SApr 3, 2007
Light emitting diode
NICHIA CORP20 citations92
USD522466SJun 6, 2006
Light emitting diode
NICHIA CORP15 citations92
US9502623B1Nov 22, 2016
Light emitting device
NICHIA CORP6 citations83
USD589009SMar 24, 2009
Light emitting diode
NICHIA CORP10 citations83
USD535263SJan 16, 2007
Light emitting diode
NICHIA CORP15 citations83
USD528515SSep 19, 2006
Light emitting diode
NICHIA CORP14 citations83
USD601519SOct 6, 2009
Light emitting diode
NICHIA CORP6 citations73
USD553103SOct 16, 2007
Light emitting diode
NICHIA CORP8 citations73
US7832895B2Nov 16, 2010
Light emitting device
NICHIA CORP3 citations59
US11158776B2Oct 26, 2021
Lead frame and method of manufacturing light emitting device
NICHIA CORP0 citations51
US10529700B2Jan 7, 2020
Light emitting device
NICHIA CORP0 citations51
US10074638B2Sep 11, 2018
Light emitting device
NICHIA CORP0 citations51
US7964892B2Jun 21, 2011
Light emitting device
NICHIA CORP0 citations51
US7586128B2Sep 8, 2009
Light-emitting apparatus
NICHIA CORP1 citations51
US10490704B2Nov 26, 2019
Light emitting device and method of producing the same
NICHIA CORP0 citations50
US10193027B2Jan 29, 2019
Light emitting device and method of producing the same
NICHIA CORP0 citations50
US10103302B2Oct 16, 2018
Light emitting device
NICHIA CORP0 citations41
US9966521B2May 8, 2018
Light emitting device
NICHIA CORP0 citations40
US7477808B2Jan 13, 2009
Light emitting device and lighting device
NICHIA CORP0 citations33