Inventor
KAWAGUCHI KEIZO
JP8 patents
⚠️ This page may combine multiple inventors who share the name “KAWAGUCHI KEIZO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
STANLEY ELECTRIC CO LTD
4 patentsUS5707900AJan 13, 1998
Method of heat-treating semiconductor crystal of a group II-group VI compound
STANLEY ELECTRIC CO LTD14 citations72
US7084422B2Aug 1, 2006
Semiconductor light emitting device having quantum well layer sandwiched between carrier confinement layers
STANLEY ELECTRIC CO LTD1 citations48
US7880187B2Feb 1, 2011
Semiconductor light emitting device having narrow radiation spectrum
STANLEY ELECTRIC CO LTD1 citations43
US6900467B2May 31, 2005
Semiconductor light emitting device having quantum well layer sandwiched between carrier confinement layers
STANLEY ELECTRIC CO LTD0 citations38