Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5046801 | Optical waveguide having low optical damage | Akira Terashima, Takumi Fujiwara, Takeshi Yokoyama | 1991-09-10 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5046801 | Optical waveguide having low optical damage | Akira Terashima, Takumi Fujiwara, Takeshi Yokoyama | 1991-09-10 |