Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6896788 | Method of producing a higher-purity metal | Syunichiro Yamaguchi, Kouichi Takemoto | 2005-05-24 |
| 6861030 | Method of manufacturing high purity zirconium and hafnium | — | 2005-03-01 |