Issued Patents 2003
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6521040 | Method for processing chromium oxide-containing substances in large quantities, method for utilizing the processed substances, and products comprising the processed substances | Masato Kumagai, Hiroyuki Tobo, Yasuo Kishimoto, Toshikazu Sakuraya | 2003-02-18 |