Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4883922 | Composite superconductor and method of the production thereof | Minoru Yokota, Masayuki Nagata, Shigeo Saito | 1989-11-28 |
YY
Yuichi Yamada
Overall (1989): #39,187 of 140,708Top 30%
1
Patents 1989