Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6823885 | Liquid drains having liquid level adjusting mechanisms | Akihisa Hotta, Koichi Suda | 2004-11-30 |
| 6776823 | Gas/liquid separating devices | Akihisa Hotta, Koichi Suda | 2004-08-17 |
| 6763849 | Gas valve | Tatsuyuki Sugiura, Takeshi Yamamoto | 2004-07-20 |