Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4842366 | Ceramic superconductor and light transmitting composite wire | Kazuo Sawada, Kengo Ohkura | 1989-06-27 |
HH
Hajime Hitotsuyanagi
Overall (1989): #108,548 of 140,708Top 80%
1
Patents 1989