Inventor · disambiguated record
Alexander Chan
Also filed as: CHAN ALEXANDER · CHAN ALEXANDER GUY
31 granted patents·480 citations·filing 1984–2024
97Inventor score
Files withVITAL CONNECT INC23CHAN ALEXANDER3PORTFOLIO PRODUCTIONS INC3CHAN ALEXANDER GUY1SEAGATE REMOVABLE STORAGE1
Top patents by PatentIndex Score
31 records- 0197US10324109B2Determining a time period a person is in bedVITAL CONNECT INC·Filed 2016·Granted Jun 18, 2019·17 cites·10 claims
- 0297US10317427B2Calibration of a chest-mounted wireless sensor device for posture and activity detectionVITAL CONNECT INC·Filed 2017·Granted Jun 11, 2019·20 cites·18 claims
- 0395US10422814B2Fall detection using machine learningVITAL CONNECT INC·Filed 2013·Granted Sep 24, 2019·19 cites·14 claims
- 0494US10383562B2Measuring psychological stress from cardiovascular and activity signalsVITAL CONNECT INC·Filed 2017·Granted Aug 20, 2019·19 cites·11 claims
- 0593US10617325B2Respiratory rate measurement using a combination of respiration signalsVITAL CONNECT INC·Filed 2017·Granted Apr 14, 2020·19 cites·7 claims
- 0693US10433781B2Measuring psychological stress from cardiovascular and activity signalsVITAL CONNECT INC·Filed 2017·Granted Oct 8, 2019·17 cites·16 claims
- 0793US9980678B2Psychological acute stress measurement using a wireless sensorVITAL CONNECT INC·Filed 2016·Granted May 29, 2018·23 cites·16 claims
- 0893US9855003B2Measuring psychological stress from cardiovascular and activity signalsVITAL CONNECT INC·Filed 2016·Granted Jan 2, 2018·17 cites·10 claims
- 0993US9788778B2Measuring psychological stress from cardiovascular and activity signalsVITAL CONNECT INC·Filed 2016·Granted Oct 17, 2017·19 cites·16 claims
- 1091US10213146B2Measuring psychological stress from cardiovascular and activity signalsVITAL CONNECT INC·Filed 2017·Granted Feb 26, 2019·17 cites·20 claims
- 1190US9307908B2Measuring psychological stress from cardiovascular and activity signalsVITAL CONNECT INC·Filed 2012·Granted Apr 12, 2016·29 cites·8 claims
- 1287US9632981B2Calibration of a chest-mounted wireless sensor device for posture and activity detectionVITAL CONNECT INC·Filed 2013·Granted Apr 25, 2017·21 cites·18 claims
- 1387US9471541B1Determining a time period a person is in bedVITAL CONNECT INC·Filed 2013·Granted Oct 18, 2016·20 cites·20 claims
- 1486US9999376B2Determining body postures and activitiesVITAL CONNECT INC·Filed 2013·Granted Jun 19, 2018·19 cites·16 claims
- 1586US9655559B2Automated sleep staging using wearable sensorsVITAL CONNECT INC·Filed 2014·Granted May 23, 2017·25 cites·9 claims
- 1686US8614630B2Fall detection using sensor fusionVITAL CONNECT INC·Filed 2012·Granted Dec 24, 2013·25 cites·19 claims
- 1786US6722750B2Foldable cabinetPORTFOLIO PRODUCTIONS INC·Filed 2001·Granted Apr 20, 2004·44 cites·24 claims
- 1885US10448849B2Contextual heart rate monitoringVITAL CONNECT INC·Filed 2013·Granted Oct 22, 2019·18 cites·16 claims
- 1984US9872634B2Respiratory rate measurement using a combination of respiration signalsVITAL CONNECT INC·Filed 2013·Granted Jan 23, 2018·17 cites·7 claims
- 2079US12207736B1Seating apparatusCHAN ALEXANDER·Filed 2024·Granted Jan 28, 2025·1 cites·10 claims
- 2173US4652047AFolding chairsCHAN ALEXANDER GUY·Filed 1984·Granted Mar 24, 1987·43 cites·10 claims
- 2272US10687757B2Psychological acute stress measurement using a wireless sensorVITAL CONNECT INC·Filed 2018·Granted Jun 23, 2020·1 cites·16 claims
- 2371US11284722B1Folding chairCHAN ALEXANDER·Filed 2021·Granted Mar 29, 2022·1 cites·16 claims
- 2463US11678811B2Contextual heart rate monitoringVITAL CONNECT INC·Filed 2019·Granted Jun 20, 2023·0 cites·18 claims
- 2563US6698828B1Folding chairPORTFOLIO PRODUCTIONS INC·Filed 2002·Granted Mar 2, 2004·15 cites·20 claims
- 2660US11278216B2Method and device for determining step countVITAL CONNECT INC·Filed 2018·Granted Mar 22, 2022·0 cites·18 claims
- 2760US11096606B2Determining body postures and activitiesVITAL CONNECT INC·Filed 2018·Granted Aug 24, 2021·0 cites·16 claims
- 2853US11944198B1Rocking and reclining seating apparatusCHAN ALEXANDER·Filed 2023·Granted Apr 2, 2024·0 cites·17 claims
- 2952US6297949B1Recessed bezel apparatusSEAGATE REMOVABLE STORAGE·Filed 1998·Granted Oct 2, 2001·10 cites·17 claims
- 3050US6877804B2Folding chairPORTFOLIO PRODUCTIONS INC·Filed 2004·Granted Apr 12, 2005·4 cites·21 claims
- 3145US10719574B2Calibration of a chest-mounted wireless sensor device for posture and activity detectionVITAL CONNECT INC·Filed 2018·Granted Jul 21, 2020·0 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →