Issued Patents All Time
Showing 1–25 of 25 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10985733 | Transmission-line-based radio-frequency switching | Nuttapong Srirattana, David Scott Whitefield | 2021-04-20 |
| 10763568 | Electromagnetic coupler arrangements for multi-frequency power detection, and devices including same | Nuttapong Srirattana | 2020-09-01 |
| 10742189 | Switched multi-coupler apparatus and modules and devices using same | Nuttapong Srirattana, Zhiyang Liu | 2020-08-11 |
| 10707826 | Self-adjusting electromagnetic coupler with automatic frequency detection | Nuttapong Srirattana, David Scott Whitefield | 2020-07-07 |
| 10403955 | Electromagnetic coupler arrangements for multi-frequency power detection, and devices including same | Nuttapong Srirattana | 2019-09-03 |
| 10284167 | Self-adjusting electromagnetic coupler with automatic frequency detection | Nuttapong Srirattana, David Scott Whitefield | 2019-05-07 |
| 10256794 | Integrated switch-filter network | Nuttapong Srirattana, David Scott Whitefield | 2019-04-09 |
| 9979068 | Radio frequency architectures and methods providing switchable bypass and pass-through paths | David Scott Whitefield, Nuttapong Srirattana, Darryl E. Evans | 2018-05-22 |
| 9960750 | Apparatus for reconfigurable directional couplers in an RF transceiver with controllable capacitive coupling | Nuttapong Srirattana, David Scott Whitefield | 2018-05-01 |
| 9948271 | Methods for reconfiguring directional couplers in an RF transceiver | Nuttapong Srirattana, David Scott Whitefield | 2018-04-17 |
| 9941856 | Apparatus for reconfigurable directional couplers in an RF transceiver with selectable phase shifters | Nuttapong Srirattana, David Scott Whitefield | 2018-04-10 |
| 9866244 | Electromagnetic couplers for multi-frequency power detection | Nuttapong Srirattana, David Scott Whitefield | 2018-01-09 |
| 9812757 | RF coupler having coupled line with adjustable length | Nuttapong Srirattana, David Scott Whitefield, Zhiyang Liu | 2017-11-07 |
| 9793592 | RF coupler with decoupled state | Nuttapong Srirattana, David Scott Whitefield | 2017-10-17 |
| 9692103 | RF coupler with switch between coupler port and adjustable termination impedance circuit | Nuttapong Srirattana, David Scott Whitefield | 2017-06-27 |
| 9614269 | RF coupler with adjustable termination impedance | Nuttapong Srirattana, David Scott Whitefield | 2017-04-04 |
| 9553617 | Apparatus and methods for reconfigurable directional couplers in an RF transceiver with controllable capacitive coupling | Nuttapong Srirattana, David Scott Whitefield | 2017-01-24 |
| 9548522 | Systems, circuits and methods related to low-loss bypass of a radio-frequency filter or diplexer | David Scott Whitefield, Nuttapong Srirattana, Darryl E. Evans | 2017-01-17 |
| 9496902 | Apparatus and methods for reconfigurable directional couplers in an RF transceiver with selectable phase shifters | Nuttapong Srirattana, David Scott Whitefield | 2016-11-15 |
| 8706053 | Communications circuitry for an electronic device | William O. Camp, Jr., Paul Leonard Futter, Gerard James Hayes | 2014-04-22 |
| 8280318 | Core modem assembly for mobile communication device | Randolph Cary Demuynck | 2012-10-02 |
| 8185066 | Multimode power amplifier with predistortion | William O. Camp, Jr., William D. Anderson | 2012-05-22 |
| 7922523 | Vertically stackable sockets for chip modules | Randolph Cary Demuynck, Walter M. Marcinkiewicz | 2011-04-12 |
| 7925701 | Mobile communication terminal supporting information sharing | Yojak Vasa | 2011-04-12 |
| 7477877 | GSM radiated sensitivity measurement technique | Kenneth Bednasz | 2009-01-13 |