Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5318432 | Apparatus for forming porous preform used to fabricate optical fiber | Takeshi Yagi, Yoshiaki Koinuma, Kazuaki Yoshida | 1994-06-07 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5318432 | Apparatus for forming porous preform used to fabricate optical fiber | Takeshi Yagi, Yoshiaki Koinuma, Kazuaki Yoshida | 1994-06-07 |