Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10995030 | Manufacturing method of optical fiber preform | — | 2021-05-04 |
| 10578796 | Optical fiber and method for manufacturing same | Ryo Maruyama | 2020-03-03 |
| 7782049 | Magnetic device | Kazuhisa Itoi, Takuya Aizawa, Osamu Nakao, Shigekazu Kawai | 2010-08-24 |
| 7772841 | Magnetic device | Kazuhisa Itoi, Takuya Aizawa, Osamu Nakao, Shigekazu Kawai | 2010-08-10 |