Issued Patents All Time
Showing 1–25 of 65 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12401119 | Multiband antenna | Kenta TSUCHIYA | 2025-08-26 |
| 12362493 | Antenna element and antenna device | Takuma SENOO | 2025-07-15 |
| 12347943 | Multiband antenna | Kenta TSUCHIYA | 2025-07-01 |
| 12142840 | Antenna device | Eiji Hankui, Keishi Kosaka | 2024-11-12 |
| 11862877 | Antenna, board and communication device | Keishi Kosaka, Eiji Hankui, Yasuhiko Matsunaga | 2024-01-02 |
| 11843159 | Split ring resonator and communication device | Keishi Kosaka, Yasuhiko Matsunaga, Eiji Hankui | 2023-12-12 |
| 11626664 | Antenna | Keishi Kosaka | 2023-04-11 |
| D976883 | Antenna | Mariko Koyama, Keishi Kosaka, Yasuhiko Matsunaga, Takeshi Ebisawa, Osamu Hashiguchi +1 more | 2023-01-31 |
| D976884 | Antenna | Mariko Koyama, Keishi Kosaka, Yasuhiko Matsunaga, Eiji Hankui, Osamu Hashiguchi +1 more | 2023-01-31 |
| 11552399 | Split-ring resonator, board and connector | Keishi Kosaka, Eiji Hankui, Yasuhiko Matsunaga | 2023-01-10 |
| 11545755 | Conductor, antenna, and communication device | Eiji Hankui, Keishi Kosaka | 2023-01-03 |
| 11349219 | Multiband antenna | Kenta TSUCHIYA | 2022-05-31 |
| 11245195 | Phase control plate | Yoshiaki Kasahara, Eiji Hankui, Keishi Kosaka, Mingqi Wu | 2022-02-08 |
| 11095038 | Polarization control plate | Yoshiaki Kasahara, Eiji Hankui, Keishi Kosaka, Mingqi Wu | 2021-08-17 |
| D927468 | Antenna | Keishi Kosaka, Yasuhiko Matsunaga, Eiji Hankui, Osamu Hashiguchi | 2021-08-10 |
| D926736 | Antenna | Keishi Kosaka, Yasuhiko Matsunaga, Eiji Hankui, Osamu Hashiguchi | 2021-08-03 |
| 10930989 | Structural body, laminated structure of structural body, and antenna structure | Takahide YOSHIDA, Eiji Hankui | 2021-02-23 |
| 10784589 | Wireless communication device | Keishi Kosaka | 2020-09-22 |
| 10741929 | Antenna and wireless communication device | — | 2020-08-11 |
| 10739437 | Frequency selective surface, wireless communication device, and radar device | — | 2020-08-11 |
| 10615509 | Antenna and wireless communication device | — | 2020-04-07 |
| 10476132 | Antenna, antenna array, and radio communication apparatus | Keishi Kosaka | 2019-11-12 |
| 10476150 | Wireless communication device | Keishi Kosaka | 2019-11-12 |
| 10476172 | Antenna, antenna array, and wireless communication device | Keishi Kosaka | 2019-11-12 |
| 10411351 | Antenna and wireless communication device | Tomoya Kaneko, Eiji Hankui, Keishi Kosaka | 2019-09-10 |