Inventor · disambiguated record
Hisayuki Ojima
Also filed as: OJIMA HISAYUKI
9 granted patents·3 pending applications·43 citations·filing 1995–2019
84Inventor score
Top patents by PatentIndex Score
12 records- 0177US7430372B2Optical transmission systemFUJITSU LTD·Filed 2005·Granted Sep 30, 2008·8 cites·12 claims
- 0273US7466478B2Optical-level control method, optical-level control apparatus and wavelength-multiplexing optical networkFUJITSU LTD·Filed 2005·Granted Dec 16, 2008·6 cites·5 claims
- 0366US8139947B2Optical transmission apparatus with clock selectorOJIMA HISAYUKI·Filed 2009·Granted Mar 20, 2012·5 cites·5 claims
- 0463US9768906B2Optical transmission apparatus and wavelength control methodFUJITSU LTD·Filed 2016·Granted Sep 19, 2017·1 cites·8 claims
- 0563US5608343ACircuit for varying read timingFUJITSU LTD·Filed 1995·Granted Mar 4, 1997·19 cites·14 claims
- 0661US8488622B2Jitter control apparatusSAKAMOTO YUICHIRO·Filed 2009·Granted Jul 16, 2013·3 cites·9 claims
- 0754US7711218B2Optical reception apparatus and controlling method thereofFUJITSU LTD·Filed 2008·Granted May 4, 2010·1 cites·9 claims
- 0844US9191119B2Optical transmission apparatus and optical transmission methodFUJITSU LTD·Filed 2014·Granted Nov 17, 2015·0 cites·4 claims
- 0938US2020169324A1Optical transmission system and apparatus and transmission methodFUJITSU LTD·Filed 2019·Application pending·0 cites
- 1038US2019149258A1Transmission and reception apparatus, optical transmission apparatus and optimization method for pluggable interfaceFUJITSU LTD·Filed 2018·Application pending·0 cites
- 1138US2007047960A1Method and apparatus for controlling level of each signal included in wavelength-multiplexed signalFUJITSU LTD·Filed 2006·Application pending·0 cites
- 1235US9479249B2Optical transmission system and optical transmission deviceFUJITSU LTD·Filed 2015·Granted Oct 25, 2016·0 cites·16 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →