Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D986175 | Signal converter | Tomohiko Aki, Naoki Murakami, Norimasa Ozaki | 2023-05-16 |
| D948453 | Gateway unit | Tomohiko Aki, Norimasa Ozaki | 2022-04-12 |
| D938357 | Signal converter | Tomohiko Aki, Norimasa Ozaki | 2021-12-14 |
| D924138 | Signal converter | Tomohiko Aki, Norimasa Ozaki | 2021-07-06 |
| D901385 | Signal converter | Tomohiko Aki, Norimasa Ozaki | 2020-11-10 |
| D869410 | Signal converter | Tomohiko Aki, Norimasa Ozaki | 2019-12-10 |