Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6637982 | Gas transportation method for grain | Yukio Fukushima, Masaaki Miyamoto, Seiki Mitomo, Tatsunori Saigusa | 2003-10-28 |
| 6637983 | Gas transportation method for grain | Yukio Fukushima, Masaaki Miyamoto, Seiki Mitomo, Tatsunori Saigusa | 2003-10-28 |
| 6601610 | Changeover valve and gas transportation pipe system | Seiki Mitomo, Yukio Fukushima, Masaaki Miyamoto | 2003-08-05 |