Inventor
OZAWA MASAFUMI
JP20 patents
⚠️ This page may combine multiple inventors who share the name “OZAWA MASAFUMI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SONY CORP
17 patentsUS6479889B1Nov 12, 2002
Semiconductor device package, and fabrication method thereof
SONY CORP39 citations96
US5515393AMay 7, 1996
Semiconductor laser with ZnMgSSe cladding layers
SONY CORP105 citations96
US6761303B2Jul 13, 2004
Semiconductor light-emitting device and method of manufacturing the same and mounting plate
SONY CORP18 citations92
US6720581B2Apr 13, 2004
Mounting plate for a laser chip in a semiconductor laser device
SONY CORP19 citations92
US6479325B2Nov 12, 2002
Method of stacking semiconductor laser devices in a sub-mount and heatsink
SONY CORP26 citations92
US6474531B2Nov 5, 2002
Semiconductor light-emitting device and method of manufacturing the same and mounting plate
SONY CORP32 citations92
US6323059B1Nov 27, 2001
Method of fabricating a semiconductor device
SONY CORP30 citations92
US6853042B2Feb 8, 2005
Hybrid optical element and photodetector device
SONY CORP17 citations84
US5420446AMay 30, 1995
Optoelectronic semiconductor laser device having compound semiconductor first and second layers
SONY CORP15 citations80
US5111469AMay 5, 1992
Semiconductor laser
SONY CORP16 citations73
US5373175ADec 13, 1994
Ohmic electrode and a light emitting device
SONY CORP12 citations72
US5475237ADec 12, 1995
Light emitting device having first and second cladding layers with an active layer and carrier blocking layer therebetween
SONY CORP9 citations71
US5423943AJun 13, 1995
Selective etching method, optoelectronic device and its fabricating method
SONY CORP8 citations71
US5471067ANov 28, 1995
Semiconductor metal contacting structure and a light emitting device
SONY CORP14 citations70
US7264980B2Sep 4, 2007
Method of mounting light emitting element
SONY CORP2 citations63
US6998279B2Feb 14, 2006
Method of mounting light emitting element
SONY CORP2 citations63
US7078730B2Jul 18, 2006
Semiconductor light-emitting device and method of manufacturing the same and mounting plate
SONY CORP1 citations62
MITSUBISHI ELECTRIC CORP
2 patentsUS10625980B2Apr 21, 2020
Elevator device that transmits inspection data when inspection operation after earthquake is interrupted
MITSUBISHI ELECTRIC CORP1 citations54
US10526167B2Jan 7, 2020
Restoration information registration device and restoration information registration method for elevators
MITSUBISHI ELECTRIC CORP0 citations33