Inventor · disambiguated record
Kiichi Sugitani
Also filed as: SUGITANI KIICHI
10 granted patents·4 pending applications·31 citations·filing 2002–2021
84Inventor score
Top patents by PatentIndex Score
14 records- 0184US8447190B2Distortion compensating apparatus, optical receiving apparatus, and optical transmitting and receiving systemTANIMURA TAKAHITO·Filed 2010·Granted May 21, 2013·8 cites·12 claims
- 0283US11418284B2Encoding circuit, decoding circuit, encoding method, and decoding methodFUJITSU LTD·Filed 2020·Granted Aug 16, 2022·2 cites·8 claims
- 0381US7577098B2Device and method for network monitoringFUJITSU LTD·Filed 2005·Granted Aug 18, 2009·13 cites·8 claims
- 0466US8934789B2Optical receiver, optical reception method and optical reception systemFUJITSU LTD·Filed 2013·Granted Jan 13, 2015·2 cites·10 claims
- 0552US8553825B2Phase synchronization apparatus and digital coherent light receiverSUGITANI KIICHI·Filed 2010·Granted Oct 8, 2013·1 cites·11 claims
- 0652US7496055B2Layer 2 loop detection systemFUJITSU LTD·Filed 2004·Granted Feb 24, 2009·5 cites·20 claims
- 0751US11742978B2Optical network device and method for monitoring transmission lineFUJITSU LTD·Filed 2021·Granted Aug 29, 2023·0 cites·16 claims
- 0846US2006013141A1Loop frame detecting device and method for detecting loop frameFUJITSU LTD·Filed 2004·Application pending·0 cites
- 0945US11283542B2Encoding circuit, decoding circuit, and encoding methodFUJITSU LTD·Filed 2020·Granted Mar 22, 2022·0 cites·7 claims
- 1043US9787396B2Optical transmission device, transmission system, and transmission methodFUJITSU LTD·Filed 2016·Granted Oct 10, 2017·0 cites·20 claims
- 1141US9215011B2Optical receiver and optical receiving methodFUJITSU LTD·Filed 2014·Granted Dec 15, 2015·0 cites·17 claims
- 1241US2003123785A1Optical path cross connect apparatus and switching method thereofFUJITSU LTD·Filed 2002·Application pending·0 cites
- 1340US2014064345A1Signal processing apparatus and methodFUJITSU LTD·Filed 2013·Application pending·0 cites
- 1438US2005213875A1Optical cross-connect device and method of optical communication controlFUJITSU LTD·Filed 2005·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →