Inventor
TSUNEKAWA TAKASHI
JP2 patents
Patents
2 patentsUS7053420B2May 30, 2006
GaN group semiconductor light-emitting element with concave and convex structures on the substrate and a production method thereof
MITSUBISHI CABLE IND LTD126 citations96
US7179667B2Feb 20, 2007
Semiconductor base material and method of manufacturing the material
MITSUBISHI CABLE IND LTD41 citations91