Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6821930 | Preparing method of oxide superconductor, raw material for oxide superconductor, and preparing method of raw material for oxide superconductor | Takeshi Araki, Katsuya Yamagiwa | 2004-11-23 |