Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4836642 | Cladding material for optical fiber | Katsuhiko Shimada, Yoshihiro Uozu | 1989-06-06 |
TM
Tsuruyoshi Matsumoto
Overall (1989): #47,477 of 140,708Top 35%
1
Patents 1989