Inventor
SAKAMOTO HISAYA
JP9 patents
Patents
9 patentsUS6643472B1Nov 4, 2003
APD bias circuit
FUJITSU LTD87 citations96
US6188738B1Feb 13, 2001
Clock extraction circuit
FUJITSU LTD77 citations95
US6694273B2Feb 17, 2004
Receiving apparatus, method of compensating for waveform degradation of received signal, apparatus and method for detecting waveform degradation, and apparatus and method for measuring waveform
FUJITSU LTD64 citations93
US5736875AApr 7, 1998
Discrimination circuit capable of automatically optimizing discrimination level and discrimination phase
FUJITSU LTD28 citations92
US6707024B2Mar 16, 2004
Bias circuit for a photodetector, and an optical receiver
FUJITSU LTD42 citations91
US5625181AApr 29, 1997
Light-receipt system with current bias circuit and pre-amplifier for use in optical digital communication
FUJITSU LTD25 citations90
US7769304B2Aug 3, 2010
Signal light processing apparatus
FUJITSU LTD8 citations79
US6065129AMay 16, 2000
Clock signal detection circuit
FUJITSU LTD4 citations61
US7245837B2Jul 17, 2007
Optical transmitting device
FUJITSU LTD4 citations57