Inventor
AKINAGA FUJIO
JP2 patents
Patents
2 patentsUS6873637B2Mar 29, 2005
Semiconductor laser element including optical waveguide layers which have gradually varying bandgaps so as to reduce electrical resistance at interfaces
FUJI PHOTO FILM CO LTD4 citations57
US6553046B2Apr 22, 2003
High-power semiconductor laser device including resistance reduction layer which has intermediate energy gap
FUJI PHOTO FILM CO LTD1 citations48