Inventor
Joonhoi Hur
Inventor
San Diego, CA, US
Overview
Patents· 26 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H03Fprimary
H03FAmplifiers37%
H04BTransmission22%
H04LTransmission of digital information, e.g. telegraphic communication17%
H03HImpedance networks, e.g. resonant circuits7%
H01QAntennas, i.e. radio aerials4%
H03KPulse technique4%
G05FSystems for regulating electric or magnetic variables2%
H01PWaveguides2%
H03CModulation2%
H03GControl of amplification2%
PatentTitleYear
10,833,723Downlink receiver channel isolation202010,826,545Efficient dual-polarization multi-input and multi-output system202010,812,049Reconfigurable feed-forward for electrical balance duplexers (EBD)202010,715,204Reconfigurable electrical balance duplexer (EBD) supporting frequency division duplex (FDD) and time division duplex (TDD)202010,541,716Radio frequency front-end circuitry amplifier gain calibration systems and methods202010,530,615Adaptive power equalization in electrical balance duplexers202010,491,176Reconfigurable radio frequency (RF) power amplifier circuit201910,277,173Amplifier linearizer with wide bandwidth201910,250,192Class-E outphasing power amplifier with efficiency and output power enhancement circuits and method201910,056,864Efficient wideband envelope tracking power amplifier20189,979,352Systems and methods for linearizing operation of a power amplifier20189,831,837Dynamic power divider circuits and methods20179,806,673'Class-E outphasing power amplifier with efficiency and output power enhancement circuits and method'20179,800,272'Circuits and methods for transmitting signals'20179,419,561'Circuits and methods for biasing a power amplifier'20169,385,669'Class-E outphasing power amplifier with efficiency and output power enhancement circuits and method'20169,344,038'Tri-phase digital polar modulator'20169,252,713'Bias circuits and methods for stacked devices'20169,231,527'Circuits and methods for power amplification with extended high efficiency'20169,209,791'Circuits and methods for cancelling nonlinear distortions in pulse width modulated sequences'20158,831,085'Digital time-interleaved RF-PWM transmitter'20148,744,378'LINC transmitter with improved efficiency'20148,654,867'Transformer power combiner with filter response'20148,519,791'Free-fly class D power amplifier'20138,471,747'Phase averaged pulse width modulator'20138,373,504'Class D power amplifier'2013Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2013–2019Patents assigned to TEXAS INSTRUMENTS INC (11)· patent assignee history
2013–2014Patents assigned to DING LEI (6)· patent assignee history
2013–2014Patents assigned to HEZAR RAHMI (6)· patent assignee history
2013–2016Based in Dallas, TX, US· patent location history
2015–2019Based in San Diego, CA, US· patent location history
2016–2019Patents assigned to QUALCOMM INC (9)· patent assignee history
2019Based in Cupertino, CA, US· patent location history
2020Patents assigned to APPLE INC (6)· patent assignee history
2020Based in Sunnyvale, CA, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| TEXAS INSTRUMENTS INC | 11 | 2013–2019 |
| QUALCOMM INC | 9 | 2016–2019 |
| APPLE INC | 6 | 2020 |
| DING LEI | 6 | 2013–2014 |
| HEZAR RAHMI | 6 | 2013–2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| San Diego, California, US | 12 | 2015–2019 |
| Dallas, Texas, US | 7 | 2013–2016 |
| Sunnyvale, California, US | 6 | 2020 |
| Cupertino, California, US | 1 | 2019 |