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, Yoshiki Chigusa, Motonori Nakamura, Morio Watanabe | 1997-01-28 |
YM
Yoshinori Makio
Overall (1997): #184,913 of 185,788Top 100%
1
Patents 1997