Issued Patents 2019
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10487001 | Seal structure of optical fiber drawing furnace, and method for drawing optical fiber | Takashi Yamazaki, Tatsuya Konishi | 2019-11-26 |
IO
Iwao Okazaki
Overall (2019): #433,990 of 560,194Top 80%
1
Patents 2019