Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4816376 | Method for forming optical pattern in porous glass | — | 1989-03-28 |
YT
Yomishi Toshida
Overall (1989): #40,101 of 140,708Top 30%
1
Patents 1989