Issued Patents 2003
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6520098 | Apparatus and method for disposing of dam dirt | Shinichi Nakazawa, Kenji Katagiri, Hitoshi Kumata, Hirokuni Matsuda, Tokuyoshi Kawai +1 more | 2003-02-18 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6520098 | Apparatus and method for disposing of dam dirt | Shinichi Nakazawa, Kenji Katagiri, Hitoshi Kumata, Hirokuni Matsuda, Tokuyoshi Kawai +1 more | 2003-02-18 |