Issued Patents 2024
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12043564 | Manufacturing apparatus and manufacturing method of porous glass base material for optical fiber | Hitoshi IINUMA | 2024-07-23 |
| 11999646 | Manufacturing method of porous glass base material for optical fiber and manufacturing apparatus | Dai Inoue, Hitoshi IINUMA, Hiromasa MIZUKAMI | 2024-06-04 |
| 11897807 | Manufacturing apparatus and manufacturing method of porous glass base material for optical fiber | Hitoshi IINUMA | 2024-02-13 |