Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5674306 | Method and apparatus for drawing glass preform for optical fiber | Sumio Hoshino, Toshio Danzuka, Yuichi Ohga | 1997-10-07 |
KM
Katsuzo Mukai
Overall (1997): #122,418 of 185,788Top 70%
1
Patents 1997