Inventor
FURUSHIMA YUJI
JP13 patents
⚠️ This page may combine multiple inventors who share the name “FURUSHIMA YUJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NEC CORP
7 patentsUS5815520ASep 29, 1998
light emitting semiconductor device and its manufacturing method
NEC CORP142 citations97
US6219366B1Apr 17, 2001
Semiconductor optical device and method of manufacturing the same
NEC CORP55 citations95
US6465269B2Oct 15, 2002
Semiconductor optical device and method of manufacturing the same
NEC CORP38 citations91
US6477283B1Nov 5, 2002
Electroabsorption optical modulator and fabrication method thereof
NEC CORP9 citations73
US6670203B2Dec 30, 2003
Method for manufacturing semiconductor laser having recombination layer stripes in current blocking structure
NEC CORP5 citations72
US6539039B2Mar 25, 2003
Optical semiconductor device and method of manufacturing the same
NEC CORP9 citations72
US6337870B1Jan 8, 2002
Semiconductor laser having recombination layer stripes in current blocking structure
NEC CORP8 citations72
FURUSHIMA YUJI
3 patentsUS8243769B2Aug 14, 2012
Semiconductor light emitting device, optical pickup unit and information recording/reproduction apparatus
FURUSHIMA YUJI7 citations74
US8253150B2Aug 28, 2012
Semiconductor light emitting device and method of manufacturing it
FURUSHIMA YUJI2 citations54
US8494020B2Jul 23, 2013
Semiconductor light emitting device, optical pickup unit and information recording/reproduction apparatus
FURUSHIMA YUJI0 citations42