Inventor
YAMAGUCHI HISAKATSU
JP28 patents
⚠️ This page may combine multiple inventors who share the name “YAMAGUCHI HISAKATSU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
FUJITSU LTD
21 patentsUS7496781B2Feb 24, 2009
Timing signal generating circuit with a master circuit and slave circuits
FUJITSU LTD34 citations92
US7973691B2Jul 5, 2011
Data recovery circuit, data recovery method and data receiving apparatus
FUJITSU LTD7 citations84
US7863987B2Jan 4, 2011
Clock signal generating and distributing apparatus
FUJITSU LTD12 citations84
US7535956B2May 19, 2009
Adaptive equalizer circuit
FUJITSU LTD10 citations84
US7515656B2Apr 7, 2009
Clock recovery circuit and data receiving circuit
FUJITSU LTD10 citations84
US10623172B2Apr 14, 2020
Control signal transmission and reception system and control signal transmission and reception method
FUJITSU LTD2 citations73
US7786785B2Aug 31, 2010
Peaking control circuit
FUJITSU LTD5 citations63
US7653169B2Jan 26, 2010
Timing adjustment for data transmitting/receiving circuit
FUJITSU LTD3 citations63
US9154291B2Oct 6, 2015
Differential signal skew adjustment method and transmission circuit
FUJITSU LTD3 citations62
US7982638B2Jul 19, 2011
Data transmission circuit and data communication system
FUJITSU LTD3 citations62
US7936296B2May 3, 2011
AD converter, data receiver and data reception method
FUJITSU LTD4 citations62
US7542506B2Jun 2, 2009
Data receiver and equalizer adapter
FUJITSU LTD2 citations62
US7542532B2Jun 2, 2009
Data transmission device and input/output interface circuit
FUJITSU LTD3 citations62
US12244353B2Mar 4, 2025
Optical module switch device
FUJITSU LTD0 citations52
US9608640B1Mar 28, 2017
Receiving circuit and method for controlling frequency
FUJITSU LTD1 citations52
US7880543B2Feb 1, 2011
Data transmitting circuit and transmitting method
FUJITSU LTD1 citations51
US7863948B2Jan 4, 2011
Clock frequency dividing circuit
FUJITSU LTD0 citations42
US7397293B2Jul 8, 2008
Clock distribution circuit
FUJITSU LTD0 citations42
US10778382B2Sep 15, 2020
Parameter setting transmission and reception system and parameter setting method
FUJITSU LTD0 citations41
US9088405B2Jul 21, 2015
Clock phase interpolator, data transmission and reception circuit, and method of clock phase interpolation
FUJITSU LTD0 citations41
US10718811B2Jul 21, 2020
Jitter measurement circuit and jitter measurement system
FUJITSU LTD0 citations40
YAMAGUCHI HISAKATSU
5 patentsUS8462905B2Jun 11, 2013
Receiver circuit
YAMAGUCHI HISAKATSU2 citations61
US8204153B2Jun 19, 2012
Clock recovery circuit and data receiving circuit
YAMAGUCHI HISAKATSU5 citations61
US8270462B2Sep 18, 2012
Adaptive equalizer circuit
YAMAGUCHI HISAKATSU2 citations60
US8325864B2Dec 4, 2012
Receiver circuit
YAMAGUCHI HISAKATSU0 citations51
US8638843B2Jan 28, 2014
Receiving device and receiving method
YAMAGUCHI HISAKATSU1 citations49