Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7591615 | Sheet material cutting machine with vacuum cleaning system | Steven Li | 2009-09-22 |
| 6293377 | Variable-damping force shock absorber | Ichisei Kamimura, Kiyoshi Kono | 2001-09-25 |