Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5338607 | 1.3 micrometer-band amplifying optical fiber preform | Hiromi Kawamoto, Yoshinori Kubota, Akira Sakanoue | 1994-08-16 |
| 5308371 | Method of forming fluoride glass fiber preform | Hiromi Kawamoto, Yoshinori Kubota, Akira Sakanoue | 1994-05-03 |