Inventor
MATSUBARA HIDEKI
JP26 patents
⚠️ This page may combine multiple inventors who share the name “MATSUBARA HIDEKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SUMITOMO ELECTRIC INDUSTRIES
13 patentsUS6876003B1Apr 5, 2005
Semiconductor light-emitting device, method of manufacturing transparent conductor film and method of manufacturing compound semiconductor light-emitting device
SUMITOMO ELECTRIC INDUSTRIES67 citations98
US6509651B1Jan 21, 2003
Substrate-fluorescent LED
SUMITOMO ELECTRIC INDUSTRIES188 citations98
US6337536B1Jan 8, 2002
White color light emitting diode and neutral color light emitting diode
SUMITOMO ELECTRIC INDUSTRIES229 citations98
US6741029B2May 25, 2004
Light emission apparatus and method of fabricating the same
SUMITOMO ELECTRIC INDUSTRIES54 citations94
US5864573AJan 26, 1999
Epitaxial wafer and compound semiconductor light emitting device, and method of fabricating the same
SUMITOMO ELECTRIC INDUSTRIES18 citations92
US5665986ASep 9, 1997
Compound semiconductor light emitting device and method of preparing the same
SUMITOMO ELECTRIC INDUSTRIES32 citations92
US6642547B2Nov 4, 2003
Light emitting device
SUMITOMO ELECTRIC INDUSTRIES44 citations91
US5843590ADec 1, 1998
Epitaxial wafer and method of preparing the same
SUMITOMO ELECTRIC INDUSTRIES32 citations90
US6872649B2Mar 29, 2005
Method of manufacturing transparent conductor film and compound semiconductor light-emitting device with the film
SUMITOMO ELECTRIC INDUSTRIES6 citations74
US5756374AMay 26, 1998
Compound semiconductor light emitting device and method of preparing the same
SUMITOMO ELECTRIC INDUSTRIES10 citations73
US6420731B1Jul 16, 2002
Light emitting diode and manufacturing method thereof
SUMITOMO ELECTRIC INDUSTRIES8 citations70
US8012780B2Sep 6, 2011
Method of fabricating semiconductor laser
SUMITOMO ELECTRIC INDUSTRIES3 citations62
US6465273B1Oct 15, 2002
Method of making ZnSe based light emitting device with in layer using vibration and pressure
SUMITOMO ELECTRIC INDUSTRIES1 citations49
ROHM CO LTD
3 patentsUS9543084B2Jan 10, 2017
Switch state detection circuit and switch system
ROHM CO LTD2 citations70
US10923297B2Feb 16, 2021
Switch monitoring device, switch state detection circuit, and a vehicle-mounted switch system
ROHM CO LTD0 citations51
US9461460B2Oct 4, 2016
Circuit control device, circuit system, switch state detection circuit and vehicle
ROHM CO LTD0 citations39