Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6727510 | Transportation vessel for radioactive substance and method of loading closed vessel | Kenichi Matsunaga, Koichi Ue, Koji Enami, Seiichi Wakayama, Etsuryo Kita +1 more | 2004-04-27 |
| 4666123 | Fixture for making railroad ties | Koichi Minegishi | 1987-05-19 |