Inventor
TAKAOKA KEIJI
JP16 patents
Patents
16 patentsUS5970081AOct 19, 1999
Grating coupled surface emitting device
TOSHIBA KK72 citations95
US5434426AJul 18, 1995
Optical interconnection device
TOSHIBA KK70 citations95
US7230278B2Jun 12, 2007
Optoelectronic semiconductor device and light signal input/output device
TOSHIBA KK32 citations92
US6678307B2Jan 13, 2004
Semiconductor surface light-emitting device
TOSHIBA KK31 citations92
US5822349AOct 13, 1998
Semiconductor device and method of manufacturing the same
TOSHIBA KK40 citations92
US5001335AMar 19, 1991
Semiconductor photodetector device and method of manufacturing the same
TOSHIBA KK25 citations92
US7427804B2Sep 23, 2008
Optoelectronic semiconductor device and light signal input/output device
TOSHIBA KK10 citations84
US7244629B2Jul 17, 2007
Vertical cavity surface emitting laser diode and method for manufacturing the same
TOSHIBA KK19 citations84
US6881984B2Apr 19, 2005
Resonant-cavity light-emitting diode and optical transmission module using the light-emitting diode
TOSHIBA KK13 citations83
US6661031B2Dec 9, 2003
Resonant-cavity light-emitting diode and optical transmission module using the light-emitting diode
TOSHIBA KK14 citations83
US7589282B2Sep 15, 2009
Wiring board and a semiconductor device using the same
TOSHIBA KK7 citations74
US7068696B2Jun 27, 2006
Vertical-cavity surface emitting laser diode and its manufacturing method
TOSHIBA KK10 citations73
US6768137B2Jul 27, 2004
Laminated semiconductor substrate and optical semiconductor element
TOSHIBA KK2 citations63
US6653660B2Nov 25, 2003
Vertical cavity-type semiconductor light-emitting device and optical module using vertical cavity-type semiconductor light-emitting device
TOSHIBA KK6 citations62
US7463491B2Dec 9, 2008
Wiring board and a semiconductor device using the same
TOSHIBA KK0 citations52
US7276735B2Oct 2, 2007
Laminated semiconductor substrate and optical semiconductor element
TOSHIBA KK0 citations52