Inventor
David A. Donovan
Inventor
Oakland, CA, US
Overview
Patents· 17 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H04Bprimary
H04BTransmission21%
Y10TTechnical subjects covered by former us classification9%
B23BTurning6%
G06FElectric digital data processing6%
H03FAmplifiers6%
H04WWireless communication networks6%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests6%
B05BSpraying apparatus3%
B29CShaping or joining of plastics3%
B29KIndexing scheme associated with subclasses b29b, b29c or b29d, relating to moulding materials or to materials for moulds, reinforcements, fillers or preformed parts, e.g. inserts3%
PatentTitleYear
11,059,231Generating three-dimensional objects202110,581,855Secured device manufacturing self-test202010,579,566Point of sale device with switchable internal connection roles20209,020,018'Systems for calibration of wireless electronic devices'20158,913,973'Methods for determining optimum power supply voltages for radio-frequency power amplifier circuitry'20148,805,306'Method for determining optimum power amplifier configurations using list mode testing'20148,706,044'Methods of testing wireless devices in over-the-air radio-frequency test systems without path loss characterization'20148,660,812'Methods for calibrating over-the-air path loss in over-the-air radio-frequency test systems'20148,583,062'Methods for determining optimum power supply voltages for radio-frequency power amplifier circuitry'20138,437,793'Wireless transmitter calibration using absolute power requests'20138,422,968'Wireless electronic device with open-loop and closed-loop output power control'20135,671,634'Measuring adhesion of cylinder bore coatings'19975,573,814'Masking cylinder bore extremities from internal thermal spraying'19964,908,923'Method of dimensionally stabilizing interface between dissimilar metals in an internal combustion engine'19904,847,961'Method and apparatus for stitch-machining deep cavities in metal workpieces'19894,842,450'Method and apparatus for self-adjusting boring bar'19894,573,348'Angular positioning actuator'1986Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1986–1996Patents assigned to FORD MOTOR CO (5)· patent assignee history
1986–1997Based in Chelsea, MI, US· patent location history
2013–2015Patents assigned to APPLE INC (8)· patent assignee history
2013–2015Patents assigned to DONOVAN DAVID A (7)· patent assignee history
2013–2014Patents assigned to GREGG JUSTIN (4)· patent assignee history
2013–2015Based in Oakland, CA, US· patent location history
2020Patents assigned to SQUARE INC (2)· patent assignee history
2020Based in Berkeley, CA, US· patent location history
2021Based in San Diego, CA, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| APPLE INC | 8 | 2013–2015 |
| DONOVAN DAVID Aself | 7 | 2013–2015 |
| FORD MOTOR CO | 5 | 1986–1996 |
| GREGG JUSTIN | 4 | 2013–2014 |
| SQUARE INC | 2 | 2020 |
Locations
| Location | Patents | Span |
|---|---|---|
| Oakland, California, US | 8 | 2013–2015 |
| Chelsea, MI, US | 6 | 1986–1997 |
| Berkeley, California, US | 2 | 2020 |
| San Diego, California, US | 1 | 2021 |