Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4975849 | Suspension controller for vehicle | — | 1990-12-04 |
| 4462610 | Vehicle height adjusting apparatus | Tetsuo Saito | 1984-07-31 |
| 4354693 | Vehicle height adjusting device | Koichi Maeda, Tetsuo Saito | 1982-10-19 |