Inventor
FUTAMI FUMIO
JP25 patents
⚠️ This page may combine multiple inventors who share the name “FUTAMI FUMIO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
FUJITSU LTD
18 patentsUS7835643B2Nov 16, 2010
Optical waveform measuring apparatus and optical waveform measuring method
FUJITSU LTD21 citations92
US7088491B2Aug 8, 2006
Pulse generating apparatus and method
FUJITSU LTD18 citations92
US7076174B2Jul 11, 2006
Method, device, and system for processing optical signal
FUJITSU LTD26 citations92
US6963436B2Nov 8, 2005
Method and device for waveform shaping of signal light
FUJITSU LTD19 citations92
US6751385B2Jun 15, 2004
Method and device for measuring the waveform of an optical signal
FUJITSU LTD34 citations92
US7978319B2Jul 12, 2011
Optical switching method and optical switch
FUJITSU LTD10 citations84
US7518711B2Apr 14, 2009
Optical waveform measurement apparatus and optical waveform measurement method
FUJITSU LTD7 citations73
US7853145B2Dec 14, 2010
Optical switch and optical waveform monitoring apparatus
FUJITSU LTD6 citations63
US7706649B2Apr 27, 2010
Optical processing device and optical processing method
FUJITSU LTD4 citations63
US7643754B2Jan 5, 2010
Method of and apparatus for providing multi-wavelength light source
FUJITSU LTD3 citations63
US7433564B2Oct 7, 2008
Optical device for optical communication
FUJITSU LTD4 citations63
US7315557B2Jan 1, 2008
Multi-wavelength light source apparatus
FUJITSU LTD5 citations63
US7136596B2Nov 14, 2006
Optical pulse addition device
FUJITSU LTD2 citations63
US7397975B2Jul 8, 2008
Optical switch
FUJITSU LTD4 citations62
US6738179B2May 18, 2004
Method and device for shaping the waveform of an optical signal
FUJITSU LTD0 citations52
US7877017B2Jan 25, 2011
Optical waveform measurement system and optical waveform measurement method
FUJITSU LTD0 citations42
US7623792B2Nov 24, 2009
Clock extracting method and apparatus thereof
FUJITSU LTD0 citations42
US7953322B2May 31, 2011
Optical switch and optical switch control method
FUJITSU LTD0 citations41
FUTAMI FUMIO
3 patentsUS8428470B2Apr 23, 2013
Waveform shaping apparatus, optical transmission system, and waveform shaping method
FUTAMI FUMIO2 citations61
US8190032B2May 29, 2012
Optical signal processing apparatus
FUTAMI FUMIO5 citations61
US8565613B2Oct 22, 2013
Wavelength conversion apparatus, wavelength conversion method, and optical add/drop multiplexer using the same
FUTAMI FUMIO2 citations60