Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12401108 | Filter circuit | Yuta ASHIDA, Masahiro TATEMATSU, Shuhei SAWAGUCHI, Keigo SHIBUYA | 2025-08-26 |
| 12348210 | Multilayer filter | Masahiro TATEMATSU, Yuta ASHIDA, Shuhei SAWAGUCHI, Keigo SHIBUYA, Tomonori Terui | 2025-07-01 |
| 12341485 | Multilayer filter | Yuta ASHIDA, Shuhei SAWAGUCHI, Masahiro TATEMATSU, Keigo SHIBUYA, Tomonori Terui | 2025-06-24 |
| 12323122 | Filter circuit and multilayered filter device | Masahiro TATEMATSU, Shuhei SAWAGUCHI, Yuta ASHIDA, Yoshinori Matsumaru, Shigemitsu Tomaki +1 more | 2025-06-03 |
| 12308813 | Filter circuit and multilayered filter device | Shuhei SAWAGUCHI, Masahiro TATEMATSU, Yuta ASHIDA, Yoshinori Matsumaru, Shigemitsu Tomaki +1 more | 2025-05-20 |
| 11431071 | Multilayer balun | Yuta ASHIDA, Masahiro TATEMATSU, Shuhei SAWAGUCHI, Shigemitsu Tomaki, Takeshi Kijima | 2022-08-30 |
| 10965036 | Antenna system, antenna substrate, and antenna element | — | 2021-03-30 |
| 10276912 | Directional coupler | — | 2019-04-30 |
| 10276913 | Directional coupler | — | 2019-04-30 |
| 10084225 | Directional coupler | Yuta ASHIDA, Noriaki Ootsuka, Takeshi Kijima, Yasunori Sakisaka | 2018-09-25 |
| 10062960 | Antenna element, antenna device, and wireless communication equipment using the same | — | 2018-08-28 |
| 9893408 | Directional coupler | Yuta ASHIDA, Yasunori Sakisaka, Noriaki Ootsuka, Takeshi Kijima | 2018-02-13 |
| 9391371 | Antenna device and wireless communication device using the same | Naoaki Utagawa, Yongshuai Zheng | 2016-07-12 |
| 8384598 | Surface-mounted antenna, antenna device using the same, and radio communication equipment | Yasumasa Harihara, Toshihiro Tsuru, Masaki Matsushima | 2013-02-26 |