Inventor
David R. Perek
Inventor
Bellevue, WA, US
Overview
Patents· 63 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G06Fprimary
G06FElectric digital data processing26%
G01BMeasuring length, thickness or similar linear dimensions6%
G06TImage data processing or generation, in general6%
G08BSignalling systems, e.g. personal calling systems5%
A41DOuterwear5%
G01LMeasuring force, stress, torque, work, mechanical power, mechanical efficiency, or fluid pressure4%
G02BOptical elements, systems or apparatus4%
F15CFluid-circuit elements predominantly used for computing or control purposes2%
F16KValves2%
G09GArrangements or circuits for control of indicating devices using static means to present variable information2%
PatentTitleYear
11,068,057Wearable device with fiducial markers in virtual reality202111,029,757Detecting positions of magnetic flux sensors having particular locations on a device relative to a magnetic field generator located at a predetermined position on the device202111,015,989Resistive-capacitive deformation sensor202111,015,926Wave reflection deformation sensing apparatus202111,011,033Haptic vibrotactile actuators on textiles and related systems and methods202110,989,330Fluidic switching devices202110,948,976Systems and methods for electric discharge-based sensing via wearables donned by users of artificial reality systems202110,928,889Apparatus, system, and method for directional acoustic sensing via wearables donned by users of artificial reality systems202110,908,279Ultrasound/radar for eye tracking202110,866,035Wearable accessory with heat transfer capability202010,831,272Kinematic model for hand position202010,818,433Enhancing dielectric constants of elastomer sheets202010,817,049Kinesthetic sensors for determining angular displacements202010,788,897Systems and methods for sensing gestures via vibration-sensitive wearables donned by users of artificial reality systems202010,779,583Actuated tendon pairs in a virtual reality device202010,748,393Skin stretch instrument202010,712,818Fiducial rings in virtual reality202010,690,923Scanning system for a tiling display202010,635,172Bend angle sensing mechanism for wearable device202010,599,217Kinematic model for hand position202010,563,776Fluidic oscillator device202010,557,699Deformable signaling pathways202010,558,036Using oscillation of optical components to reduce fixed pattern noise in a virtual reality headset202010,551,916Detecting positions of a device based on magnetic fields generated by magnetic field generators at different positions of the device202010,528,151Optical hand tracking in virtual reality systems202010,514,111Fluidic switching devices201910,514,765Wearable accessory for force feedback201910,502,643Resistive-capacitive deformation sensor201910,502,327Co-casted fluidic devices201910,496,169Wearable accessory with heat transfer capability201910,458,864Indexable strain sensor201910,460,873Enhancing dielectric constants of elastomer sheets201910,429,210Birefringence deformation sensing apparatus having a controller to instruct the function of a transmitter and a receiver201910,422,637Wave reflection deformation sensing apparatus201910,372,213Composite ribbon in a virtual reality device201910,353,466Semi-rigid assembly for movement restriction via variable curvature in virtual reality haptic devices201910,347,094Skin stretch instrument201910,331,206Kinesthetic sensors for determining angular displacements201910,317,999Vibrotactile driver circuit for haptic devices201910,310,610Haptic device for artificial reality systems201910,310,804Modifying haptic feedback provided to a user to account for changes in user perception of haptic feedback201910,310,608Wearable accessory for force feedback201910,281,982Inflatable actuators in virtual reality201910,261,592Optical hand tracking in virtual reality systems201910,240,622Switchable fluidic device201910,216,272Strain measurement ring201910,197,459Indexable strain sensor201910,088,902Fiducial rings in virtual reality201810,067,007Resistive-capacitive deformation sensor201810,032,347Skin stretch instrument201810,013,064Haptic surface with damping apparatus201810,013,055Eye tracking using optical flow20189,971,410Transversal actuator for haptic feedback20189,851,799Haptic surface with damping apparatus20179,816,799'Embroidered strain sensing elements'20179,778,746'Transversal actuator for haptic feedback'20179,741,216'Skin stretch instrument'20179,619,071'Computing device and an apparatus having sensors configured for measuring spatial information indicative of a position of the computing devices'20179,569,094'Disambiguating intentional and incidental contact and motion in multi-touch pointing devices'20178,903,517'Computer device and an apparatus having sensors configured for measuring spatial information indicative of a position of the computing devices'20148,786,561'Disambiguating intentional and incidental contact and motion in multi-touch pointing devices'20148,548,608'Sensor fusion algorithm'20138,543,227'Sensor fusion algorithm'2013Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2013–2017Patents assigned to MICROSOFT CORP (5)· patent assignee history
2013–2017Based in Redmond, WA, US· patent location history
2014Patents assigned to ANSELL PETER (1)· patent assignee history
2017–2018Patents assigned to OCULUS VR LLC (10)· patent assignee history
2017Patents assigned to MICROSOFT TECHNOLOGY LICENSING LLC (2)· patent assignee history
2017–2021Based in Bellevue, WA, US· patent location history
2019–2021Patents assigned to FACEBOOK TECH LLC (46)· patent assignee history
2019–2021Based in Seattle, WA, US· patent location history
2019Based in Menlo Park, CA, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| FACEBOOK TECH LLC | 46 | 2019–2021 |
| OCULUS VR LLC | 10 | 2017–2018 |
| MICROSOFT CORP | 5 | 2013–2017 |
| MICROSOFT TECHNOLOGY LICENSING LLC | 2 | 2017 |
| ANSELL PETER | 1 | 2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Bellevue, Washington, US | 40 | 2017–2021 |
| Seattle, Washington, US | 16 | 2019–2021 |
| Redmond, Washington, US | 6 | 2013–2017 |
| Menlo Park, California, US | 1 | 2019 |