Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6787504 | Mgb2 single crystal and its production method, and superconductive material containing mgb2 single crystal | Lee Sergey Romonovich, Ayako Yamamoto | 2004-09-07 |
| 6740623 | Oxide superconductor and method for producing same | Ayako Yamamoto, Wei-Zhi Hu | 2004-05-25 |