Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6197082 | Refining of tantalum and tantalum scrap with carbon | Robert A. Dorvel, Leonid N. Shekhter | 2001-03-06 |
| 6079186 | Method of making vacuum-packaged, capacitor-grade tantalum powder | Katsuo Iwabuchi, Hirobumi Ishikawa, Dieter Behrens | 2000-06-27 |