Issued Patents 2003
Showing 1–2 of 2 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 | Hisahiro Matsunaga, Hiroyuki Tobo, Yasuo Kishimoto, Toshikazu Sakuraya | 2003-02-18 |
| 6516776 | Throttle valve device of engine | Keiichi Kai | 2003-02-11 |