Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6745707 | Method of disposing of combustible materials | Ichiro Suzuki, Shinichi Nakazawa, Kenji Katagiri, Hirokuni Matsuda, Tokuyoshi Kawai +1 more | 2004-06-08 |
| 6520098 | Apparatus and method for disposing of dam dirt | Ichiro Suzuki, Shinichi Nakazawa, Kenji Katagiri, Hirokuni Matsuda, Tokuyoshi Kawai +1 more | 2003-02-18 |