Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4824200 | Optical branching filter | Hideki Isono, Takashi Yokota, Kiyoshi Terai | 1989-04-25 |
KA
Kazushi Asanuma
Overall (1989): #91,183 of 140,708Top 65%
1
Patents 1989