Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6557623 | Production method for continuous casting cast billet | Hiromitu Shibata, Shuji Takeuchi, Koji Yamaguchi | 2003-05-06 |
| 6521040 | Method for processing chromium oxide-containing substances in large quantities, method for utilizing the processed substances, and products comprising the processed substances | Hisahiro Matsunaga, Masato Kumagai, Hiroyuki Tobo, Toshikazu Sakuraya | 2003-02-18 |