Inventor
SAKAMOTO TAKAHIKO
JP19 patents
⚠️ This page may combine multiple inventors who share the name “SAKAMOTO TAKAHIKO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NICHIA CORP
14 patentsUS7511311B2Mar 31, 2009
Semiconductor light-emitting device, method for manufacturing the same, and light-emitting apparatus including the same
NICHIA CORP113 citations98
US7982236B2Jul 19, 2011
Semiconductor light emitting element
NICHIA CORP25 citations92
US7947996B2May 24, 2011
Semiconductor light emitting element
NICHIA CORP32 citations92
US7615798B2Nov 10, 2009
Semiconductor light emitting device having an electrode made of a conductive oxide
NICHIA CORP35 citations92
US7075115B2Jul 11, 2006
Light-emitting diode
NICHIA CORP26 citations92
US7358544B2Apr 15, 2008
Nitride semiconductor light emitting device
NICHIA CORP23 citations90
US8742438B2Jun 3, 2014
Semiconductor light-emitting device, method for manufacturing the same, and light-emitting apparatus including the same
NICHIA CORP8 citations83
US8035118B2Oct 11, 2011
Semiconductor light-emitting device, method for manufacturing the same, and light-emitting apparatus including the same
NICHIA CORP7 citations83
US7791098B2Sep 7, 2010
Nitride semiconductor light emitting device
NICHIA CORP9 citations82
US7495259B2Feb 24, 2009
Light-emitting diode
NICHIA CORP7 citations73
US7884379B2Feb 8, 2011
Nitride semiconductor light emitting device
NICHIA CORP6 citations71
USRE50614ESep 30, 2025
Semiconductor light emitting element
NICHIA CORP0 citations62
USRE49406EJan 31, 2023
Semiconductor light emitting element
NICHIA CORP0 citations62
USRE49298ENov 15, 2022
Semiconductor light emitting element
NICHIA CORP0 citations62