| 9972878 | Adjustable constant impedance phase shifter | Mar 24, 15 | May 15, 18 | FILTRONIC WIRELESS AB |
| 9972877 | Metamaterial-based phase shifting element and phased array | Jul 14, 14 | May 15, 18 | Palo Alto Research Center Incorporated |
| 9973166 | Phase shift circuit | Dec 05, 16 | May 15, 18 | Murata Manufacturing Co Ltd. |
| 9966931 | Active quasi circulator | Nov 27, 14 | May 08, 18 | Infineon Technologies AG |
| 9960473 | Integrated differential phase shifter based on coupled wire coupler using a diagonal configuration | Nov 26, 15 | May 01, 18 | International Business Machine Corporation |
| 9960472 | Programmable amplitude and phase controller | May 30, 17 | May 01, 18 | Not available |
| RE46820 | Impedance tuner systems and probes | Apr 12, 14 | May 01, 18 | Maury Microwave Inc. |
| 9960750 | Apparatus for reconfigurable directional couplers in an RF transceiver with controllable capacitive coupling | Dec 02, 16 | May 01, 18 | SKYWORKS SOLUTIONS, INC. |
| 9948278 | Filter device having a filter connection conductor line including parallel connected conductor lines | Jun 23, 16 | Apr 17, 18 | Murata Manufacturing Co., Ltd. |
| 9948271 | Methods for reconfiguring directional couplers in an RF transceiver | Aug 04, 16 | Apr 17, 18 | SKYWORKS SOLUTIONS, INC. |
| 9941587 | 3×3 Butler matrix and 5×6 Butler matrix | Jul 12, 13 | Apr 10, 18 | GUANGDONG BROADRADIO COMMUNICATION TECHNOLOGY CO., LTD. |
| 9941856 | Apparatus for reconfigurable directional couplers in an RF transceiver with selectable phase shifters | Aug 04, 16 | Apr 10, 18 | SKYWORKS SOLUTIONS, INC. |
| 9941597 | Antenna arrangement | Feb 03, 15 | Apr 10, 18 | CELLMAX TECHNOLOGIES AB |
| 9929454 | Circularly polarized wave generator | Apr 02, 15 | Mar 27, 18 | Mitsubishi Electrics Corporation |
| 9905921 | Antenna element placement for a cylindrical feed antenna | Mar 03, 16 | Feb 27, 18 | KYMETA CORPORATION |
| 9905901 | Miniature directional coupling device | Aug 31, 16 | Feb 27, 18 | ADVANCED CERAMIC X CORPORATION |
| 9900060 | Tunable microwave network and application to transmit leakage cancellation circuit in an RFID interrogator | May 12, 16 | Feb 20, 18 | Superlative Semiconductor, LLC |
| 9887455 | Aperture segmentation of a cylindrical feed antenna | Mar 03, 16 | Feb 06, 18 | KYMETA CORPORATION |
| 9887458 | Compact butler matrix, planar two-dimensional beam-former and planar antenna comprising such a butler matrix | Mar 21, 16 | Feb 06, 18 | CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE, THALES, UNIVERSITE DE RENNES 1, |
| 9853344 | Feed network arrangement for generating a mutli-antennae signal | Aug 12, 15 | Dec 26, 17 | TESAT-SPACECOM GMBH & CO. KG |