Inventor
Joel L. Dawson
Inventor
Roslindale, MA, US
Overview
Patents· 28 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H03Fprimary
H03FAmplifiers43%
H04BTransmission23%
H03GControl of amplification15%
H04LTransmission of digital information, e.g. telegraphic communication6%
H02MApparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems4%
A61BDiagnosis2%
G05BControl or regulating systems in general2%
H03DDemodulation or transference of modulation from one carrier to another2%
H03HImpedance networks, e.g. resonant circuits2%
Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications2%
PatentTitleYear
10,658,981Linearization circuits and methods for multilevel power amplifier systems202010,622,949Linearization circuits and methods for multilevel power amplifier systems202010,164,577Linearization circuits and methods for multilevel power amplifier systems201810,038,461RF amplifier having a transition shaping filter20189,974,463Hand-held device for electrical impedance myography20189,979,421Digital pre-distortion (DPD) training and calibration system and related techniques20189,768,732'Asymmetric multilevel backoff amplifier with radio-frequency splitter'20179,768,731'Linearity and noise improvement for multilevel power amplifier systems using multi-pulse drain transitions'20179,755,672'Integrated power supply and modulator for radio frequency power amplifiers'20179,537,456'Asymmetric multilevel backoff amplifier with radio-frequency splitter'20179,490,752'RF amplifier having a transition shaping filter'20169,209,758'RF amplifier having discrete supply voltages'20159,172,336'Method and apparatus for multilevel power amplification'20159,166,536'Transmitter architecture and related methods'20159,160,287'Linearization circuits and methods for multilevel power amplifier systems'20159,020,453'RF amplifier architecture and related techniques'20158,957,727'Asymmetric multilevel outphasing architecture for RF amplifiers'20158,829,993'Linearization circuits and methods for multilevel power amplifier systems'20148,830,710'RF energy recovery system'20148,824,978'RF amplifier architecture and related techniques'20148,659,353'Asymmetric multilevel outphasing architecture for RF amplifiers'20148,164,384'Asymmetric multilevel outphasing architecture for RF amplifiers'20128,026,763'Asymmetric multilevel outphasing architecture for RF amplifiers'20117,672,645'Programmable transmitter architecture for non-constant and constant envelope modulation'20107,433,420'Phase rotation estimation'20087,382,834'Phase rotation estimation'20087,177,366'Automatic phase alignment for high-bandwidth cartesian-feedback power amplifiers'20075,940,291'Low-complexity adaptive controller'1999Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1999–2007Based in Woodbridge, VA, US· patent location history
2008–2010Based in Cambridge, MA, US· patent location history
2008Based in Mountain View, CA, US· patent location history
2011–2018Patents assigned to MASSACHUSETTS INST TECHNOLOGY (5)· patent assignee history
2011–2020Based in Roslindale, MA, US· patent location history
2012–2018Patents assigned to DAWSON JOEL L (4)· patent assignee history
2012–2015Patents assigned to CHUNG SUNGWON (3)· patent assignee history
2012–2015Patents assigned to GODOY PHILIP (3)· patent assignee history
2014–2020Patents assigned to ETA DEVICES INC (17)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| ETA DEVICES INC | 17 | 2014–2020 |
| MASSACHUSETTS INST TECHNOLOGY | 5 | 2011–2018 |
| DAWSON JOEL Lself | 4 | 2012–2018 |
| CHUNG SUNGWON | 3 | 2012–2015 |
| GODOY PHILIP | 3 | 2012–2015 |
Locations
| Location | Patents | Span |
|---|---|---|
| Roslindale, Massachusetts, US | 23 | 2011–2020 |
| Cambridge, Massachusetts, US | 2 | 2008–2010 |
| Woodbridge, Virginia, US | 2 | 1999–2007 |
| Mountain View, California, US | 1 | 2008 |