Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4875918 | Method of manufacturing fiber preform for single-mode fibers | Futoshi Mizutani, Takeshi Kyogoku, Shigeki Endoh | 1989-10-24 |
TS
Tatsuo Saitoh
Overall (1989): #52,493 of 140,708Top 40%
1
Patents 1989