Inventor
SHIGIHARA KIMIO
JP47 patents
⚠️ This page may combine multiple inventors who share the name “SHIGIHARA KIMIO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MITSUBISHI ELECTRIC CORP
43 patentsUS5519720AMay 21, 1996
Semiconductor light emitting device
MITSUBISHI ELECTRIC CORP145 citations99
US5185290AFeb 9, 1993
Method of coating facet of semiconductor optical element
MITSUBISHI ELECTRIC CORP78 citations96
US5170458ADec 8, 1992
Optical fiber light-amplifier system
MITSUBISHI ELECTRIC CORP63 citations96
US4998258AMar 5, 1991
Semiconductor laser device
MITSUBISHI ELECTRIC CORP114 citations96
US7129512B2Oct 31, 2006
Semiconductor laser device
MITSUBISHI ELECTRIC CORP24 citations92
US6606334B1Aug 12, 2003
Semiconductor laser
MITSUBISHI ELECTRIC CORP34 citations92
US6285694B1Sep 4, 2001
Semiconductor laser
MITSUBISHI ELECTRIC CORP28 citations92
US6249140B1Jun 19, 2001
Method of screening semiconductor laser device using temperature cycling and variable driving current
MITSUBISHI ELECTRIC CORP21 citations92
US6946684B2Sep 20, 2005
Optical semiconductor device with low reflectance coating
MITSUBISHI ELECTRIC CORP15 citations84
US5675597AOct 7, 1997
Semiconductor laser device
MITSUBISHI ELECTRIC CORP11 citations74
US5332695AJul 26, 1994
Method of manufacturing semi conductor device mounted on a heat sink
MITSUBISHI ELECTRIC CORP8 citations74
US5282219AJan 25, 1994
Semiconductor laser structure having a non-reflection film
MITSUBISHI ELECTRIC CORP12 citations74
US5247203ASep 21, 1993
Semiconductor device mounted on a heat sink with an intervening amorphous semiconductor material
MITSUBISHI ELECTRIC CORP11 citations74
US7428256B2Sep 23, 2008
Semiconductor laser device
MITSUBISHI ELECTRIC CORP2 citations63
US7415054B2Aug 19, 2008
Semiconductor laser device
MITSUBISHI ELECTRIC CORP2 citations63
US6804282B2Oct 12, 2004
Semiconductor laser device
MITSUBISHI ELECTRIC CORP4 citations63
US6618412B2Sep 9, 2003
Semiconductor laser
MITSUBISHI ELECTRIC CORP3 citations63
US5185287AFeb 9, 1993
Method for producing a quantum well structure
MITSUBISHI ELECTRIC CORP4 citations63
US5177749AJan 5, 1993
Semiconductor laser device
MITSUBISHI ELECTRIC CORP3 citations63
US5161164ANov 3, 1992
Semiconductor laser device
MITSUBISHI ELECTRIC CORP4 citations63
US5043994AAug 27, 1991
Semiconductor laser device
MITSUBISHI ELECTRIC CORP5 citations63
US4988156AJan 29, 1991
Bent waveguide for an optical integrated circuit
MITSUBISHI ELECTRIC CORP6 citations63
US11699890B2Jul 11, 2023
Semiconductor laser machine
MITSUBISHI ELECTRIC CORP1 citations61
US7289546B1Oct 30, 2007
Semiconductor laser having an improved stacked structure
MITSUBISHI ELECTRIC CORP2 citations61
US6907057B2Jun 14, 2005
Semiconductor optical device and semiconductor laser module using the semiconductor optical device
MITSUBISHI ELECTRIC CORP2 citations61
US7259406B2Aug 21, 2007
Semiconductor optical element
MITSUBISHI ELECTRIC CORP2 citations60
US6819688B2Nov 16, 2004
Semiconductor laser device and optical fiber amplifier
MITSUBISHI ELECTRIC CORP3 citations60
US12542426B2Feb 3, 2026
Semiconductor laser device
MITSUBISHI ELECTRIC CORP0 citations52
US11967802B2Apr 23, 2024
Semiconductor laser device
MITSUBISHI ELECTRIC CORP0 citations52
US7941025B2May 10, 2011
Semiconductor photonic device
MITSUBISHI ELECTRIC CORP2 citations52
US7756179B2Jul 13, 2010
Semiconductor laser apparatus
MITSUBISHI ELECTRIC CORP1 citations52
US7724794B2May 25, 2010
Semiconductor laser device
MITSUBISHI ELECTRIC CORP0 citations52
US7215694B2May 8, 2007
Semiconductor laser device
MITSUBISHI ELECTRIC CORP0 citations52
US9929532B1Mar 27, 2018
Broad area semiconductor laser device
MITSUBISHI ELECTRIC CORP0 citations42
US9871348B2Jan 16, 2018
Semiconductor laser device
MITSUBISHI ELECTRIC CORP0 citations42
US9397472B2Jul 19, 2016
Semiconductor laser device and manufacturing method thereof
MITSUBISHI ELECTRIC CORP0 citations42
US9203216B2Dec 1, 2015
Semiconductor laser device
MITSUBISHI ELECTRIC CORP0 citations42
US9008141B2Apr 14, 2015
Semiconductor laser device
MITSUBISHI ELECTRIC CORP0 citations42
US8767788B2Jul 1, 2014
Semiconductor laser device
MITSUBISHI ELECTRIC CORP0 citations42
US7949027B2May 24, 2011
Semiconductor laser device
MITSUBISHI ELECTRIC CORP0 citations42
US7691655B2Apr 6, 2010
Method of manufacturing semiconductor optical device
MITSUBISHI ELECTRIC CORP0 citations42
US7656920B2Feb 2, 2010
Semiconductor laser device
MITSUBISHI ELECTRIC CORP0 citations42
US6970633B2Nov 29, 2005
Semiconductor optical device
MITSUBISHI ELECTRIC CORP0 citations42