Inventor · disambiguated record
Hirofumi Araki
Also filed as: ARAKI HIROFUMI
10 granted patents·4 pending applications·86 citations·filing 1994–2021
87Inventor score
Top patents by PatentIndex Score
14 records- 0188US9722704B2Optical transmission apparatus and method for controlling optical powerFUJITSU LTD·Filed 2016·Granted Aug 1, 2017·8 cites·6 claims
- 0271US5570227AMethod and apparatus for preventing occurrence of surge light in optical amplifier/transmitter apparatusFUJITSU LTD·Filed 1994·Granted Oct 29, 1996·31 cites·30 claims
- 0370US9882647B2Optical transmission apparatus, optical transmission system, and polarization dependent loss monitorFUJITSU LTD·Filed 2016·Granted Jan 30, 2018·2 cites·8 claims
- 0470US9667346B2Optical transmission system, wavelength control method and nodeFUJITSU LTD·Filed 2016·Granted May 30, 2017·2 cites·13 claims
- 0569US9413522B2Optical receiver and signal processing method for optical receiverFUJITSU LTD·Filed 2015·Granted Aug 9, 2016·2 cites·14 claims
- 0668US9407471B2Adaptive equalizer tap coefficient correction method and optical receiverFUJITSU LTD·Filed 2013·Granted Aug 2, 2016·2 cites·16 claims
- 0765US6256291B1Method of switching between redundant routes in communication system devoid of redundant transmissionFUJITSU LTD·Filed 1998·Granted Jul 3, 2001·25 cites·8 claims
- 0853US2022207603A1Management system, management method, and non-transitory information recording mediumRAKUTEN GROUP INC·Filed 2021·Application pending·0 cites
- 0952US6628103B2Power factor control apparatus and methodMITSUBISHI HEAVY IND LTD·Filed 2002·Granted Sep 30, 2003·14 cites·2 claims
- 1047US9564964B2Optical signal processing device, optical signal processing method and recording mediumFUJITSU LTD·Filed 2014·Granted Feb 7, 2017·0 cites·5 claims
- 1140US2003037297A1Frame synchronization device and frame synchronization methodFiled 2001·Application pending·0 cites
- 1238US2019149258A1Transmission and reception apparatus, optical transmission apparatus and optimization method for pluggable interfaceFUJITSU LTD·Filed 2018·Application pending·0 cites
- 1335US11433420B2Solution supply apparatus and solution supply methodTOKYO ELECTRON LTD·Filed 2018·Granted Sep 6, 2022·0 cites·20 claims
- 1435US2016142300A1Transmission system, transmission device, and transmission methodFUJITSU LTD·Filed 2015·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →