Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6932852 | Method and apparatus for enhanced purification of high-purity metals | Kishio Tayama | 2005-08-23 |
| 6805833 | Apparatus for enhanced purification of high-purity metals | Kishio Tayama | 2004-10-19 |