Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11787726 | Sintering method of porous glass base material for optical fiber | — | 2023-10-17 |
| 10570050 | Soot deposition body manufacturing apparatus and manufacturing method | Tomihisa YANAGA | 2020-02-25 |
| 10532944 | Soot deposition body manufacturing apparatus and manufacturing method | Tetsuya Otosaka | 2020-01-14 |
| 10086441 | Gripping mechanism | Tetsuya Otosaka | 2018-10-02 |