Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6070892 | Suspension system with an improved coupling structure between torsion bar and suspension arm | Takashi Tsutsumi | 2000-06-06 |
| 5921569 | Torsion bar positioning structure | Takashi Tsutsumi, Masao Kiyota | 1999-07-13 |