Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6823885 | Liquid drains having liquid level adjusting mechanisms | Koichi Suda, Kiyoshi Yoshizumi | 2004-11-30 |
| 6776823 | Gas/liquid separating devices | Koichi Suda, Kiyoshi Yoshizumi | 2004-08-17 |