Issued Patents 2023
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11838043 | Filter circuit module, filter circuit element, filter circuit, and communication apparatus | Kenichi Ishizuka | 2023-12-05 |
| 11811381 | Filter element | Kenichi Ishizuka | 2023-11-07 |
| 11789215 | Optical connector and optical connecting structure | Norio Sato, Hiroshi Ishikawa, Kota Shikama, Atsushi Aratake | 2023-10-17 |
| 11736193 | Optical network, optical transport system, and optical node included therein | Ibrahim Salah, Toshikazu Hashimoto | 2023-08-22 |