Issued Patents All Time
Showing 1–25 of 34 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12412972 | Wideband balun arrangement | David Gustafsson, Per Ingelhag | 2025-09-09 |
| 12308799 | Power amplifier arrangement comprising Ruthroff transformer | Sven Mattisson | 2025-05-20 |
| 12155352 | Power amplifier arrangement | David Gustafsson, Kristoffer Andersson | 2024-11-26 |
| 12119825 | Frequency multiplier with balun function | Yinggang Li | 2024-10-15 |
| 12113496 | Power amplifier with large output power | — | 2024-10-08 |
| 11336232 | Doherty amplifier arrangement | David Gustafsson, Kristoffer Andersson | 2022-05-17 |
| 10637450 | Broadband frequency tripler | — | 2020-04-28 |
| 10167002 | Meter gauge power bogie and meter gauge vehicle | Yanhong Chen, Dongjie Jiang, Chengwei Qin, Junfeng Wang | 2019-01-01 |
| 10033115 | Active antenna | Yinggang Li, Bing Zhang | 2018-07-24 |
| 9912293 | Sub-harmonic mixer and a method therein for converting radio frequency signals to intermediate frequency signals | — | 2018-03-06 |
| 9841445 | Power detector | — | 2017-12-12 |
| 9478204 | Sub-harmonic mixer | — | 2016-10-25 |
| 9419586 | Device for negative group delay | Yu-Hung Su | 2016-08-16 |
| 9406991 | Quadrature hybrid | — | 2016-08-02 |
| 9263987 | Oscillator circuit | — | 2016-02-16 |
| 9166264 | Dual mode filter | — | 2015-10-20 |
| 9154081 | Subharmonic mixer | — | 2015-10-06 |
| 9124215 | Mixer circuit | — | 2015-09-01 |
| 9019037 | Six-port circuit | — | 2015-04-28 |
| 8981757 | Phase detector | — | 2015-03-17 |
| 8970322 | Waveguide based five or six port circuit | Per Ligander | 2015-03-03 |
| 8823467 | Balun | — | 2014-09-02 |
| 8766730 | Frequency tunable signal source | Herbert Zirath | 2014-07-01 |
| 8723608 | Method and arrangement for voltage controlled oscillator device | Thomas Lewin, Yinggang Li | 2014-05-13 |
| 8476958 | Mixer circuit | — | 2013-07-02 |