Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5597398 | Process for producing glass preform for optical fiber | Shinji Ishikawa, Motonori Nakamura, Yoshinori Makio, Morio Watanabe | 1997-01-28 |
YC
Yoshiki Chigusa
Overall (1997): #56,682 of 185,788Top 35%
1
Patents 1997