Inventor
ASATSUMA TSUNENORI
JP25 patents
⚠️ This page may combine multiple inventors who share the name “ASATSUMA TSUNENORI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SONY CORP
18 patentsUS5863811AJan 26, 1999
Method for growing single crystal III-V compound semiconductor layers on non single crystal III-V Compound semiconductor buffer layers
SONY CORP66 citations95
US6043140AMar 28, 2000
Method for growing a nitride compound semiconductor
SONY CORP29 citations92
US6620641B2Sep 16, 2003
Semiconductor light emitting device and its manufacturing method
SONY CORP14 citations84
US6104039AAug 15, 2000
P-type nitrogen compound semiconductor and method of manufacturing same
SONY CORP17 citations84
US6682991B1Jan 27, 2004
Growth method of a nitride III-V compound semiconductor, manufacturing method of a semiconductor device, and semiconductor device
SONY CORP14 citations83
USRE38613EOct 5, 2004
Method for growing a nitride compound semiconductor
SONY CORP10 citations74
US6413312B1Jul 2, 2002
Method for growing a nitride compound semiconductor
SONY CORP10 citations74
US6362016B1Mar 26, 2002
Semiconductor light emitting device
SONY CORP5 citations73
US6081001AJun 27, 2000
Nitride semiconductor light emitting device
SONY CORP12 citations73
US7879628B2Feb 1, 2011
Semiconductro laser device
SONY CORP2 citations63
US7248612B2Jul 24, 2007
Semiconductor laser device with multi-dimensional-photonic-crystallized region
SONY CORP2 citations63
US7965749B2Jun 21, 2011
Laser diode and method of manufacturing the same
SONY CORP1 citations62
US6475820B2Nov 5, 2002
Method for growing semiconductor layer and method for fabricating semiconductor light emitting elements
SONY CORP6 citations62
US6471769B2Oct 29, 2002
Method of manufacturing a nitride series III-V group compound semiconductor
SONY CORP6 citations62
US7510887B2Mar 31, 2009
Semiconductor laser device
SONY CORP0 citations52
US8050305B2Nov 1, 2011
Semiconductor device
SONY CORP0 citations51
US7907651B2Mar 15, 2011
Laser diode
SONY CORP0 citations51
US7532654B2May 12, 2009
Laser diode
SONY CORP0 citations51
HITACHI LTD
3 patentsSUMITOMO ELECTRIC INDUSTRIES
2 patentsUS7091056B2Aug 15, 2006
Method of manufacturing a semiconductor light emitting device, semiconductor light emitting device, method of manufacturing a semiconductor device, semiconductor device, method of manufacturing a device, and device
SUMITOMO ELECTRIC INDUSTRIES12 citations84
US7176499B2Feb 13, 2007
Method of manufacturing a semiconductor light emitting device, semiconductor light emitting device, method of manufacturing a semiconductor device, semiconductor device, method of manufacturing a device, and device
SUMITOMO ELECTRIC INDUSTRIES8 citations74