Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4858572 | Device for adjusting an angular phase difference between two elements | Yoshio Okabe, Yukimori Kobayashi | 1989-08-22 |
ES
Eiji Shirai
Overall (1989): #117,354 of 140,708Top 85%
1
Patents 1989