Inventor
Christopher Percival
Inventor
Blarney, IE
Overview
Patents· 23 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H01Lprimary
H01LSemiconductor devices21%
H10HInorganic light-emitting semiconductor devices having potential barriers19%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h1010%
H10FInorganic semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation8%
A61BDiagnosis6%
G01MTesting static or dynamic balance of machines or structures5%
G02BOptical elements, systems or apparatus5%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h105%
G01JMeasurement of intensity, velocity, spectral content, polarisation, phase or pulse characteristics of infrared, visible or ultraviolet light3%
G01RMeasuring electric variables3%
PatentTitleYear
11,112,606Multiple layer projector for a head-mounted display202111,099,063Apparatus and method for profiling a beam of a light emitting semiconductor device202110,854,782Micro-LED device202010,753,959Microspring probe card with insulation block202010,720,468Redundancy in inorganic light emitting diode displays202010,712,579Vortex linearization of micro-LED polarization202010,529,537Electron flood lithography202010,490,699Micro-LED device201910,403,678Methods and apparatus for improving micro-LED devices201910,326,052Light emitting diode with field enhanced contact201910,319,266Display panel with non-visible light detection201910,177,196Redundancy in inorganic light emitting diode displays201910,074,774Micro-LED device20189,812,494'Methods and apparatus for improving micro-LED devices'20179,502,595'Methods and apparatus for improving micro-LED devices'20166,749,302'Afocal position detection system and ophthalmic instrument employing said system'20046,669,340'Alignment system for an ophthalmic instrument'20036,623,429'Hand-held non-contact tonometer'20035,602,640'Lensmeter accessory'1997D0369112'Lensmeter'19965,446,274'Instructive display for assisting in centering an optical path element on a path'19955,301,004'Method and apparatus for determining the optical properties of a lens'19944,829,554'Cellular mobile telephone system and method'1989Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1989Based in Rochester, NY, US· patent location history
1994–1997Patents assigned to LEICA INC (4)· patent assignee history
1994–2004Based in Williamsville, NY, US· patent location history
2003–2004Patents assigned to REICHERT INC (3)· patent assignee history
2016–2018Patents assigned to OCULUS VR LLC (3)· patent assignee history
2016–2021Based in Cork, IE· patent location history
2018–2021Based in Blarney, IE· patent location history
2019–2021Patents assigned to FACEBOOK TECH LLC (11)· patent assignee history
2020Patents assigned to FACEBOOK TECHNOLOGIES LLC (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| FACEBOOK TECH LLC | 11 | 2019–2021 |
| LEICA INC | 4 | 1994–1997 |
| OCULUS VR LLC | 3 | 2016–2018 |
| REICHERT INC | 3 | 2003–2004 |
| FACEBOOK TECHNOLOGIES LLC | 1 | 2020 |
Locations
| Location | Patents | Span |
|---|---|---|
| Blarney, IE | 11 | 2018–2021 |
| Williamsville, New York, US | 7 | 1994–2004 |
| Cork, IE | 4 | 2016–2021 |
| Rochester, New York, US | 1 | 1989 |