Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12368224 | Directional coupler | Kenta Seki, Yasushi Shigeno, Daisuke Tokuda, Ryangsu Kim, Katsuya Shimizu | 2025-07-22 |
| 11984638 | Directional coupler | Kenta Seki, Ryangsu Kim | 2024-05-14 |
| 11962061 | Directional coupler including a main line and a sub-line switchably connected between a coupling terminal and a terminal circuit at different times | Kenta Seki, Ryangsu Kim, Katsuya Shimizu | 2024-04-16 |
| 11509034 | Directional coupler | Kenta Seki, Yasushi Shigeno, Daisuke Tokuda, Ryangsu Kim, Katsuya Shimizu | 2022-11-22 |
| 11456517 | Directional coupler | Kenta Seki, Yasushi Shigeno, Daisuke Tokuda, Ryangsu Kim, Katsuya Shimizu | 2022-09-27 |