Inventor
YANAGIHARA MASATAKA
JP7 patents
⚠️ This page may combine multiple inventors who share the name “YANAGIHARA MASATAKA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SANKEN ELECTRIC CO LTD
5 patentsUS7569870B2Aug 4, 2009
Gallium-nitride-based compound semiconductor device
SANKEN ELECTRIC CO LTD20 citations91
US7652282B2Jan 26, 2010
Semiconductor wafer, devices made therefrom, and method of fabrication
SANKEN ELECTRIC CO LTD23 citations90
US7518154B2Apr 14, 2009
Nitride semiconductor substrate and semiconductor element built thereon
SANKEN ELECTRIC CO LTD14 citations83
US7745850B2Jun 29, 2010
Nitride-based semiconductor device with reduced leakage current
SANKEN ELECTRIC CO LTD11 citations81
US6979844B2Dec 27, 2005
Light-emitting semiconductor device and method of fabrication
SANKEN ELECTRIC CO LTD7 citations72