Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12321020 | Optical connector cleaning tool | Kazutoshi Ando, Etsu Hashimoto | 2025-06-03 |
| 10908367 | Optical connector cleaning tool | Masayuki Murakami, Takenobu Hamano | 2021-02-02 |
| 9958619 | Optical connector cleaning tool | Masayuki Murakami, Masaaki Konishi, Takenobu Hamano, Setsuo Shoji | 2018-05-01 |