Inventor
MATSUMURA HIROAKI
JP32 patents
⚠️ This page may combine multiple inventors who share the name “MATSUMURA HIROAKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NICHIA CORP
22 patentsUS7470555B2Dec 30, 2008
Semiconductor laser device, and method of manufacturing the same
NICHIA CORP239 citations99
US7397834B2Jul 8, 2008
Nitride semiconductor laser device and method of manufacturing the nitride semiconductor laser device
NICHIA CORP20 citations92
US7072374B2Jul 4, 2006
Ridge waveguide semiconductor laser diode
NICHIA CORP31 citations92
US6925101B2Aug 2, 2005
Semiconductor laser device, and method of manufacturing the same
NICHIA CORP24 citations92
US9159879B2Oct 13, 2015
Semiconductor light emitting element
NICHIA CORP7 citations84
US8883529B2Nov 11, 2014
Method for manufacturing semiconductor light emitting device
NICHIA CORP5 citations84
US7609737B2Oct 27, 2009
Nitride semiconductor laser element
NICHIA CORP17 citations82
US7995634B2Aug 9, 2011
Nitride semiconductor laser element
NICHIA CORP7 citations80
US6876685B2Apr 5, 2005
Semiconductor laser device
NICHIA CORP14 citations78
US9570658B2Feb 14, 2017
Light emitting element
NICHIA CORP2 citations73
US7485900B2Feb 3, 2009
Nitride semiconductor device and a manufacturing method therefor
NICHIA CORP7 citations73
US8975098B2Mar 10, 2015
Semiconductor light emitting element and method for manufacturing the same
NICHIA CORP4 citations67
US9196807B2Nov 24, 2015
Light emitting element
NICHIA CORP3 citations63
US7709281B2May 4, 2010
Semiconductor laser device and method of manufacturing the same
NICHIA CORP2 citations63
US7583716B2Sep 1, 2009
Semiconductor laser device
NICHIA CORP5 citations61
US7817692B2Oct 19, 2010
Nitride semiconductor laser device having current blocking layer and method of manufacturing the same
NICHIA CORP4 citations57
US7227879B2Jun 5, 2007
Nitride semiconductor laser device having current blocking layer and method of manufacturing the same
NICHIA CORP2 citations57
US9293655B2Mar 22, 2016
Semiconductor light emitting element
NICHIA CORP1 citations52
US9159868B2Oct 13, 2015
Method for manufacturing semiconductor light emitting device
NICHIA CORP0 citations52
US8916401B2Dec 23, 2014
Method for fabricating semiconductor light emitting device
NICHIA CORP0 citations52
US10381524B2Aug 13, 2019
Semiconductor light emitting element including protective film and light shielding member
NICHIA CORP0 citations42
US10615314B2Apr 7, 2020
Light-emitting device
NICHIA CORP0 citations36
MATSUMURA HIROAKI
3 patentsUS8089093B2Jan 3, 2012
Nitride semiconductor device including different concentrations of impurities
MATSUMURA HIROAKI6 citations71
US8410510B2Apr 2, 2013
Semiconductor light emitting device and method for fabricating the same
MATSUMURA HIROAKI2 citations61
US8217568B2Jul 10, 2012
Light emitting element and light emitting device using the light emitting element
MATSUMURA HIROAKI5 citations61