Inventor
OHKUMA YOSHINORI
JP7 patents
Patents
7 patentsUS5680246AOct 21, 1997
Optical amplifier and optical transmission apparatus
FUJITSU LTD64 citations96
US6334004B1Dec 25, 2001
Optical modulator, bias control circuit therefor, and optical transmitter including the optical modulator
FUJITSU LTD34 citations92
US4813048AMar 14, 1989
Semiconductor laser driving device
FUJITSU LTD31 citations92
US5781572AJul 14, 1998
Optical wavelength stabilizing system
FUJITSU LTD31 citations87
US4803384AFeb 7, 1989
Pulse amplifier suitable for use in the semiconductor laser driving device
FUJITSU LTD11 citations73
US5732096AMar 24, 1998
Control circuit for supplying a driving current to a laser diode
FUJITSU LTD16 citations71
US4816699AMar 28, 1989
Slice amplifier using FET's
FUJITSU LTD3 citations62