Inventor
Kenneth Vampola
Inventor
Los Altos, CA, US
Overview
Patents· 33 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H10Hprimary
H10HInorganic light-emitting semiconductor devices having potential barriers26%
H01LSemiconductor devices25%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h107%
H05BElectric heating6%
G09GArrangements or circuits for control of indicating devices using static means to present variable information4%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h104%
B60QArrangement of signalling or lighting devices, the mounting or supporting thereof or circuits therefor, for vehicles in general3%
B82YSpecific uses or applications of nanostructures3%
G01JMeasurement of intensity, velocity, spectral content, polarisation, phase or pulse characteristics of infrared, visible or ultraviolet light3%
Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications3%
PatentTitleYear
11,094,851Light emitting diodes with sensor segment for operational feedback202110,964,848Light emitting diodes with sensor segment for operational feedback202110,957,821Wavelength converted semiconductor light emitting device202110,923,635Phosphor deposition system for LEDs202110,895,350Addressable color changeable LED structure202110,833,227Optical cavity including a light emitting device and wavelength converting material202010,817,018Electronic devices with ambient light sensors and emissive displays202010,813,184Optoelectronic device and adaptive illumination system using the same202010,593,841Light emitting diodes with sensor segment for operational feedback202010,400,958Addressable color changeable LED structure201910,285,236Optoelectronic device and adaptive illumination system using the same201910,224,466Light emitting device with wavelength converting side coat201910,205,063Wavelength converted semiconductor light emitting device201910,205,064Light emitting diodes with sensor segment for operational feedback201910,199,549Light emitting device with an optical element and a reflector201910,074,786LED with scattering features in substrate201810,043,952Light emitting device with wavelength converting side coat20189,997,674Optical cavity including a light emitting device and wavelength converting material20189,974,135Optoelectronic device and adaptive illumination system using the same20189,960,330Flip-chip side emitting LED with top reflector, peripheral wavelength conversion element, and optical element between light emitting element and lightguide element20189,941,454Light emitting device on a mount with a reflective layer20189,893,253'LED with scattering features in substrate'20189,871,167'Top emitting semiconductor light emitting device'20189,806,238'Light emitting device with wavelength converting side coat'20179,748,457'LED with scattering features in substrate'20179,666,771'Method of forming a wavelength converted light emitting device'20179,653,665'LED dome with inner high index pillar'20179,508,907'Light emitting device on a mount with a reflective layer'20169,508,908'LED with scattering features in substrate'20169,391,243'Phosphor separated from LED by transparent spacer'20169,040,326'High light extraction efficiency nitride based light emitting diode by surface roughening'20158,835,200'High light extraction efficiency nitride based light emitting diode by surface roughening'20148,114,698'High light extraction efficiency nitride based light emitting diode by surface roughening'2012Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2012–2015Patents assigned to UNIV CALIFORNIA (3)· patent assignee history
2012–2014Patents assigned to DENBAARS STEVEN P (2)· patent assignee history
2012–2014Patents assigned to NAKAMURA SHUJI (2)· patent assignee history
2012–2015Based in Santa Barbara, CA, US· patent location history
2016–2018Patents assigned to KONINKLIJKE PHILIPS NV (7)· patent assignee history
2016–2021Based in Los Altos, CA, US· patent location history
2016–2021Based in San Jose, CA, US· patent location history
2017–2018Based in Eindhoven, NL· patent location history
2018–2021Patents assigned to LUMILEDS LLC (19)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| LUMILEDS LLC | 19 | 2018–2021 |
| KONINKLIJKE PHILIPS NV | 7 | 2016–2018 |
| UNIV CALIFORNIA | 3 | 2012–2015 |
| DENBAARS STEVEN P | 2 | 2012–2014 |
| NAKAMURA SHUJI | 2 | 2012–2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Los Altos, California, US | 17 | 2016–2021 |
| San Jose, California, US | 10 | 2016–2021 |
| Eindhoven, NL | 3 | 2017–2018 |
| Santa Barbara, California, US | 3 | 2012–2015 |