Inventor · disambiguated record
Yunfeng Piao
Also filed as: PIAO YUNFENG
13 granted patents·1 pending application·677 citations·filing 2008–2020
94Inventor score
Top patents by PatentIndex Score
14 records- 0198US10111228B2Selecting wireless communication channels based on signal quality metricsCOGNITIVE SYSTEMS CORP·Filed 2017·Granted Oct 23, 2018·42 cites·28 claims
- 0298US10004076B1Selecting wireless communication channels based on signal quality metricsCOGNITIVE SYSTEMS CORP·Filed 2017·Granted Jun 19, 2018·59 cites·30 claims
- 0398US9927519B1Categorizing motion detected using wireless signalsCOGNITIVE SYSTEMS CORP·Filed 2017·Granted Mar 27, 2018·68 cites·30 claims
- 0498US9743294B1Storing modem parameters for motion detectionCOGNITIVE SYSTEMS CORP·Filed 2017·Granted Aug 22, 2017·92 cites·20 claims
- 0597US10393866B1Detecting presence based on wireless signal analysisCOGNITIVE SYSTEMS CORP·Filed 2018·Granted Aug 27, 2019·28 cites·28 claims
- 0697US10109168B1Motion localization based on channel response characteristicsCOGNITIVE SYSTEMS CORP·Filed 2017·Granted Oct 23, 2018·66 cites·10 claims
- 0797US10048350B1Motion detection based on groupings of statistical parameters of wireless signalsCOGNITIVE SYSTEMS CORP·Filed 2017·Granted Aug 14, 2018·59 cites·27 claims
- 0896US10228439B1Motion detection based on filtered statistical parameters of wireless signalsCOGNITIVE SYSTEMS CORP·Filed 2017·Granted Mar 12, 2019·30 cites·30 claims
- 0996US10108903B1Motion detection based on machine learning of wireless signal propertiesCOGNITIVE SYSTEMS CORP·Filed 2017·Granted Oct 23, 2018·80 cites·24 claims
- 1096US9584974B1Detecting motion based on reference signal transmissionsCOGNITIVE SYSTEMS CORP·Filed 2016·Granted Feb 28, 2017·129 cites·21 claims
- 1195US10380856B2Motion localization based on channel response characteristicsCOGNITIVE SYSTEMS CORP·Filed 2018·Granted Aug 13, 2019·21 cites·29 claims
- 1266US8298728B2Mask plate and manufacturing method thereofPIAO YUNFENG·Filed 2009·Granted Oct 30, 2012·3 cites·24 claims
- 1366US2020371222A1Detecting Presence Based on Wireless Signal AnalysisCOGNITIVE SYSTEMS CORP·Filed 2020·Application pending·0 cites
- 1447US8017285B2Masking process using photoresistBEIJING BOE OPTOELECTRONICS·Filed 2008·Granted Sep 13, 2011·0 cites·12 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →