Inventor
CHAN ALEXANDER
US50 patents
⚠️ This page may combine multiple inventors who share the name “CHAN ALEXANDER”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
VITAL CONNECT INC
23 patentsUS10617325B2Apr 14, 2020
Respiratory rate measurement using a combination of respiration signals
VITAL CONNECT INC19 citations94
US10448849B2Oct 22, 2019
Contextual heart rate monitoring
VITAL CONNECT INC18 citations94
US10433781B2Oct 8, 2019
Measuring psychological stress from cardiovascular and activity signals
VITAL CONNECT INC17 citations94
US10383562B2Aug 20, 2019
Measuring psychological stress from cardiovascular and activity signals
VITAL CONNECT INC19 citations94
US10324109B2Jun 18, 2019
Determining a time period a person is in bed
VITAL CONNECT INC17 citations94
US10317427B2Jun 11, 2019
Calibration of a chest-mounted wireless sensor device for posture and activity detection
VITAL CONNECT INC20 citations94
US9999376B2Jun 19, 2018
Determining body postures and activities
VITAL CONNECT INC19 citations94
US9980678B2May 29, 2018
Psychological acute stress measurement using a wireless sensor
VITAL CONNECT INC23 citations94
US9872634B2Jan 23, 2018
Respiratory rate measurement using a combination of respiration signals
VITAL CONNECT INC17 citations94
US9855003B2Jan 2, 2018
Measuring psychological stress from cardiovascular and activity signals
VITAL CONNECT INC17 citations94
US9655559B2May 23, 2017
Automated sleep staging using wearable sensors
VITAL CONNECT INC25 citations94
US9632981B2Apr 25, 2017
Calibration of a chest-mounted wireless sensor device for posture and activity detection
VITAL CONNECT INC21 citations94
US9307908B2Apr 12, 2016
Measuring psychological stress from cardiovascular and activity signals
VITAL CONNECT INC29 citations94
US9788778B2Oct 17, 2017
Measuring psychological stress from cardiovascular and activity signals
VITAL CONNECT INC19 citations93
US9471541B1Oct 18, 2016
Determining a time period a person is in bed
VITAL CONNECT INC20 citations93
US8614630B2Dec 24, 2013
Fall detection using sensor fusion
VITAL CONNECT INC25 citations92
US10422814B2Sep 24, 2019
Fall detection using machine learning
VITAL CONNECT INC19 citations86
US10213146B2Feb 26, 2019
Measuring psychological stress from cardiovascular and activity signals
VITAL CONNECT INC17 citations86
US11678811B2Jun 20, 2023
Contextual heart rate monitoring
VITAL CONNECT INC0 citations62
US11278216B2Mar 22, 2022
Method and device for determining step count
VITAL CONNECT INC0 citations62
US11096606B2Aug 24, 2021
Determining body postures and activities
VITAL CONNECT INC0 citations62
US10687757B2Jun 23, 2020
Psychological acute stress measurement using a wireless sensor
VITAL CONNECT INC1 citations62
US10719574B2Jul 21, 2020
Calibration of a chest-mounted wireless sensor device for posture and activity detection
VITAL CONNECT INC0 citations42
CLAIROL INC
12 patentsUS5486629AJan 23, 1996
Direct dyes having a quaternary center with a long aliphatic chain
CLAIROL INC25 citations93
US5256823AOct 26, 1993
Quarternized monoalkylenediamine nitrobenzene compounds and their use as dyes for keratinaceous fibers
CLAIROL INC21 citations93
US5169403ADec 8, 1992
Direct dyes having a quaternary center with a long aliphatic chain
CLAIROL INC23 citations93
US5135543AAug 4, 1992
Quaternized monoalkylenediamine nitrobenzene compounds and their use as dyes for keratinaceous fibers
CLAIROL INC37 citations93
US5344463ASep 6, 1994
Hair dye compositions and methods utilizing 2-substituted-1-naphthol couplers
CLAIROL INC40 citations92
US5368610ANov 29, 1994
Use of metal salts and chelates together with chlorites as oxidants in hair coloring
CLAIROL INC29 citations89
US5314505AMay 24, 1994
Aminoan thraquinone dyes having a quaternary center with a long aliphatic chain
CLAIROL INC16 citations82
US5298029AMar 29, 1994
Nitrophenylenediamine dyes having a quaternary center with a long aliphatic chain
CLAIROL INC12 citations82
US5360930ANov 1, 1994
Direct dyes having a quaternary center with a long aliphatic chain
CLAIROL INC9 citations74
US5420362AMay 30, 1995
Synthesis of 2-methyl-1-naphthol
CLAIROL INC7 citations72
US5183941AFeb 2, 1993
Hair dye coupler compounds
CLAIROL INC10 citations72
US5073173ADec 17, 1991
Dye couplers
CLAIROL INC6 citations61
QUANTUM CORP
3 patentsUS6693758B2Feb 17, 2004
Tape cartridge transport magazine for an automated tape cartridge autoloader/library system
QUANTUM CORP21 citations89
US6693759B2Feb 17, 2004
Compact form factor for an automated tape cartridge autoloader/library system
QUANTUM CORP15 citations81
US6829116B1Dec 7, 2004
Automated tape cartridge autoloader/library system
QUANTUM CORP11 citations70