Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4871230 | Single mode phosphate laser glass fiber | Toshiharu Yamashita, Hidemi Tajima, Isao Masuda, Tetsuro Izumitani | 1989-10-03 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4871230 | Single mode phosphate laser glass fiber | Toshiharu Yamashita, Hidemi Tajima, Isao Masuda, Tetsuro Izumitani | 1989-10-03 |