Issued Patents 2021
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11181684 | Optical fiber | Yoshiaki Tamura, Hirotaka Sakuma | 2021-11-23 |
| 11048040 | Optical fiber | Hirotaka Sakuma, Yoshiaki Tamura, Yuki Kawaguchi | 2021-06-29 |
| 11022749 | Optical fiber | Hiroki Ishikawa, Sotaro IDA | 2021-06-01 |
| 10908354 | Optical fiber | Hiroki Ishikawa, Sotaro IDA | 2021-02-02 |