Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8882008 | Dual shredding system for a mobile document shredding vehicle and method of use | — | 2014-11-11 |
| 6588691 | Mobile document shredder with retractable loading tunnel and load cell | David Yamamoto | 2003-07-08 |
| 5516050 | Industrial Rotary Shredder | David Yamamoto | 1996-05-14 |