Inventor · disambiguated record
Yuji Obana
Also filed as: OBANA YUJI
7 granted patents·3 pending applications·102 citations·filing 1989–2020
83Inventor score
Top patents by PatentIndex Score
10 records- 0176US5136587ADigital signal multiplexing apparatus and demultiplexing apparatusFUJITSU LTD·Filed 1990·Granted Aug 4, 1992·51 cites·19 claims
- 0271US8606118B2Optical digital coherent receiverHATAE KAZUHIKO·Filed 2011·Granted Dec 10, 2013·4 cites·10 claims
- 0370US5001711AComplex multiplexer/demultiplexer apparatusFUJITSU LTD·Filed 1989·Granted Mar 19, 1991·36 cites·38 claims
- 0466US8000429B2Jitter correction method and circuitFUJITSU LTD·Filed 2006·Granted Aug 16, 2011·3 cites·7 claims
- 0540US7397882B2Digital phase locked circuit capable of dealing with input clock signal provided in burst fashionFUJITSU LTD·Filed 2003·Granted Jul 8, 2008·3 cites·5 claims
- 0638US2020266888A1Optical communication apparatus, optical transmission system, and optical communication methodFUJITSU LTD·Filed 2020·Application pending·0 cites
- 0736US2007245176A1BER monitoring circuitFUJITSU LTD·Filed 2006·Application pending·0 cites
- 0834US9735907B2Transmission deviceFUJITSU LTD·Filed 2015·Granted Aug 15, 2017·0 cites·4 claims
- 0932US2016142798A1Transmission apparatusFUJITSU LTD·Filed 2015·Application pending·0 cites
- 1030US6788684B2Cell bridge apparatus and cell bridging method as well as information transmission system having cell bridge apparatusFUJITSU LTD·Filed 1998·Granted Sep 7, 2004·5 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →