Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5482525 | Method of producing elliptic core type polarization-maintaining optical fiber | Hiroshi Kajioka, Masashi Nakamura, Kazuya Murakami, Yuuetsu Takuma | 1996-01-09 |
| 4818047 | Polarized wave preserving fiber | Yuuetsu Takuma, Hiroshi Kajioka, Tatsuya Kumagai, Toshihide Tokunaga | 1989-04-04 |