Inventor
SHIBUYA KATSUYOSHI
JP10 patents
⚠️ This page may combine multiple inventors who share the name “SHIBUYA KATSUYOSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SONY CORP
9 patentsUS6829270B2Dec 7, 2004
Nitride III-V compound semiconductor substrate, its manufacturing method, manufacturing method of a semiconductor light emitting device, and manufacturing method of a semiconductor device
SONY CORP24 citations92
US6509579B2Jan 21, 2003
Semiconductor device
SONY CORP45 citations92
US6836498B2Dec 28, 2004
Semiconductor laser, semiconductor device and nitride series III-V group compound substrate, as well as manufacturing method thereof
SONY CORP14 citations83
US7964419B2Jun 21, 2011
Semiconductor light emitting device, its manufacturing method, semiconductor device and its manufacturing method
SONY CORP4 citations74
US7339195B2Mar 4, 2008
Semiconductor light emitting device, its manufacturing method, semiconductor device and its manufacturing method
SONY CORP6 citations74
US7439546B2Oct 21, 2008
Semiconductor light emitting device, its manufacturing method, semiconductor device and its manufacturing method
SONY CORP1 citations63
US7026179B2Apr 11, 2006
Method of manufacturing a semiconductor light emitting device utilizing a nitride III-V compound semiconductor substrate
SONY CORP2 citations62
US6890785B2May 10, 2005
Nitride semiconductor, semiconductor device, and manufacturing methods for the same
SONY CORP6 citations62
US8587004B2Nov 19, 2013
Semiconductor light emitting device, its manufacturing method, semiconductor device and its manufacturing method
SONY CORP0 citations50