Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4913521 | Single-polarization optical fiber | Katsusuke Tajima, Yutaka Sasaki, Masaharu Ohashi, Nobuo Kuwaki | 1990-04-03 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4913521 | Single-polarization optical fiber | Katsusuke Tajima, Yutaka Sasaki, Masaharu Ohashi, Nobuo Kuwaki | 1990-04-03 |