Inventor
Richard Chang
Inventor
Sunnyvale, CA, US
Overview
Patents· 14 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H04Wprimary
H04WWireless communication networks22%
H04BTransmission15%
H01QAntennas, i.e. radio aerials11%
G01KMeasuring temperature7%
H03GControl of amplification7%
H04LTransmission of digital information, e.g. telegraphic communication7%
H05KPrinted circuits7%
G06FElectric digital data processing4%
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%
H03BGeneration of oscillations, directly or by frequency-changing, by circuits employing active elements which operate in a non-switching manner4%
PatentTitleYear
10,777,877Compact, direct plugged, and high-performance Wi-Fi access point202010,462,929Cooling of a compact electronic device201910,433,194Cloud-based thermal control of wireless access points201910,431,868Antenna structure incorporated in heat spreader, heat sink, and cooling fins201910,379,584Local thermal control of wireless access points201910,299,405Mid-spreader for stacked circuit boards in an electronic device201910,178,578Thermal management of wireless accessed points based on optimization and operation in a distributed Wi-Fi network20199,160,584'Spur cancellation using auxiliary synthesizer'20158,890,625'Systems and methods for frequency synthesis to improve coexistence'20148,774,041'Proximity-based wireless handshaking for connection establishment'20148,514,595'Switching power supply operation with reduced harmonic interference'20138,447,249'System and method for providing open loop transmit power control'20138,135,357'Integrated transmitter/receiver switch with impedance matching network'2012D0335702'Electronic ozonation unit'1993Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1993Based in Saratoga, CA, US· patent location history
2012–2014Patents assigned to CHANG RICHARD T (4)· patent assignee history
2012Based in Santa Clara, CA, US· patent location history
2013–2015Patents assigned to QUALCOMM INC (5)· patent assignee history
2013Patents assigned to HUSTED PAUL J (2)· patent assignee history
2013–2020Based in Sunnyvale, CA, US· patent location history
2014Patents assigned to AKAY ENIS (1)· patent assignee history
2019–2020Patents assigned to PLUME DESIGN INC (7)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| PLUME DESIGN INC | 7 | 2019–2020 |
| QUALCOMM INC | 5 | 2013–2015 |
| CHANG RICHARD Tself | 4 | 2012–2014 |
| HUSTED PAUL J | 2 | 2013 |
| AKAY ENIS | 1 | 2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Sunnyvale, California, US | 12 | 2013–2020 |
| Santa Clara, California, US | 1 | 2012 |
| Saratoga, California, US | 1 | 1993 |