HY

Hisakatsu Yamaguchi

Fujitsu Limited: 28 patents #849 of 24,456Top 4%
FL Fujitsu Semiconductor Limited: 2 patents #355 of 1,301Top 30%
Overall (All Time): #134,216 of 4,157,543Top 4%
28
Patents All Time

Issued Patents All Time

Showing 1–25 of 28 patents

Patent #TitleCo-InventorsDate
12244353 Optical module switch device Kozo Shimizu 2025-03-04
10778382 Parameter setting transmission and reception system and parameter setting method 2020-09-15
10718811 Jitter measurement circuit and jitter measurement system Joshua Liang, Ali Sheikholeslami, Sanroku Tsukamoto, Hirotaka Tamura 2020-07-21
10623172 Control signal transmission and reception system and control signal transmission and reception method Jun Matsui 2020-04-14
9608640 Receiving circuit and method for controlling frequency Satoshi Matsubara 2017-03-28
9154291 Differential signal skew adjustment method and transmission circuit 2015-10-06
9088405 Clock phase interpolator, data transmission and reception circuit, and method of clock phase interpolation 2015-07-21
8638843 Receiving device and receiving method Yasumoto Tomita, Satoshi Kawahara 2014-01-28
8588340 Receiving device Yasumoto Tomita, Satoshi Kawahara 2013-11-19
8462905 Receiver circuit 2013-06-11
8325864 Receiver circuit 2012-12-04
8270462 Adaptive equalizer circuit Shunichiro Masaki, Hideki Ishida, Kohtaroh Gotoh 2012-09-18
8204153 Clock recovery circuit and data receiving circuit Hirotaka Tamura 2012-06-19
8065553 Phase interpolator for a timing signal generating circuit Hirotaka Tamura, Shigetoshi Wakayama, Kohtaroh Gotoh, Junji Ogawa 2011-11-22
7982638 Data transmission circuit and data communication system 2011-07-19
7973691 Data recovery circuit, data recovery method and data receiving apparatus Hirotaka Tamura, Masaya Kibune 2011-07-05
7936296 AD converter, data receiver and data reception method Masaya Kibune 2011-05-03
7880543 Data transmitting circuit and transmitting method Yoshiyasu Doi, Hirotaka Tamura 2011-02-01
7863987 Clock signal generating and distributing apparatus Kouichi Kanda, Hirotaka Tamura, Junji Ogawa 2011-01-04
7863948 Clock frequency dividing circuit Kouichi Kanda, Junji Ogawa, Hirotaka Tamura 2011-01-04
7786785 Peaking control circuit Kouichi Kanda, Hirotaka Tamura, Junji Ogawa 2010-08-31
7653169 Timing adjustment for data transmitting/receiving circuit Kouichi Kanda, Junji Ogawa, Hirotaka Tamura 2010-01-26
7542506 Data receiver and equalizer adapter 2009-06-02
7542532 Data transmission device and input/output interface circuit 2009-06-02
7535956 Adaptive equalizer circuit 2009-05-19