Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10501361 | Optical fiber preform manufacturing method and optical fiber preform manufacturing device | Dai Inoue, Hiroyuki Koide | 2019-12-10 |
| 10377659 | Optical fiber base material manufacturing apparatus | Masami Terashima, Yuichi Matsunaga | 2019-08-13 |