Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4880773 | Superconducting material and a method for preparing the same | Hideo Itozaki, Nobuhiko Fujita, Shuji Yazu, Tetsuji Jodai | 1989-11-14 |
ST
Saburo Tanaka
Overall (1989): #58,937 of 140,708Top 45%
1
Patents 1989