Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5210069 | Preparation method of high purity 115 K Tl-based superconductor | Cheng Y. Shei | 1993-05-11 |
| 5071829 | Gel method for preparing high purity Bi-based 110K superconductor using oxalic acid | Cheng Y. Shei, Yao-Tsung Huang | 1991-12-10 |