Inventor
YAKIHARA TSUYOSHI
JP21 patents
Patents
21 patentsUS7116856B2Oct 3, 2006
Optical switch matrix
YOKOGAWA ELECTRIC CORP9 citations72
US7245413B2Jul 17, 2007
Light modulation apparatus and light modulator control method
YOKOGAWA ELECTRIC CORP4 citations63
US7965800B2Jun 21, 2011
Clock recovery apparatus
YOKOGAWA ELECTRIC CORP2 citations61
US7787777B2Aug 31, 2010
Optical packet network system
YOKOGAWA ELECTRIC CORP2 citations61
US6930623B2Aug 16, 2005
Optical signal processing system
YOKOGAWA ELECTRIC CORP3 citations61
US7442912B2Oct 28, 2008
Optical logic device responsive to pulsed signals
YOKOGAWA ELECTRIC CORP2 citations60
US7035490B2Apr 25, 2006
Active diffraction grating
YOKOGAWA ELECTRIC CORP4 citations60
US6891986B2May 10, 2005
Optical switch
YOKOGAWA ELECTRIC CORP3 citations60
US6552325B1Apr 22, 2003
Photo diode array
YOKOGAWA ELECTRIC CORP2 citations57
US7732807B2Jun 8, 2010
Integrated circuit
YOKOGAWA ELECTRIC CORP0 citations51
US7620284B2Nov 17, 2009
Optical waveform shaping device including portions for respectively absorbing and amplifying transmitted optical signal
YOKOGAWA ELECTRIC CORP0 citations51
US7567737B2Jul 28, 2009
Variable light signal delay apparatus, and variable light signal delay system using the same
YOKOGAWA ELECTRIC CORP0 citations51
US7362929B2Apr 22, 2008
Optical switch
YOKOGAWA ELECTRIC CORP0 citations51
US7176437B2Feb 13, 2007
Photoelectric conversion apparatus and photoelectric conversion system using the same
YOKOGAWA ELECTRIC CORP0 citations51
US7746549B2Jun 29, 2010
Optical communication apparatus
YOKOGAWA ELECTRIC CORP0 citations49
US7580641B2Aug 25, 2009
Repeater and optical communication system
YOKOGAWA ELECTRIC CORP1 citations49
US7307432B2Dec 11, 2007
Electron beam generating apparatus and optical sampling apparatus using the same
YOKOGAWA ELECTRIC CORP0 citations48
US7113665B2Sep 26, 2006
Optical router
YOKOGAWA ELECTRIC CORP0 citations41
US7343063B2Mar 11, 2008
Light signal switching apparatus
YOKOGAWA ELECTRIC CORP0 citations40
US7317848B2Jan 8, 2008
Optical switch
YOKOGAWA ELECTRIC CORP0 citations40
US7522660B2Apr 21, 2009
Pulse pattern generating apparatus
YOKOGAWA ELECTRIC CORP0 citations37