Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5189962 | Axle box suspension with resilient elements adhered to the movable components such that all relative movement between the components occurs by deformation of the resilient elements | Akira Iwamura | 1993-03-02 |
| 4795666 | Fiber reinforced structural member | Yukio Okada, Akira Iwamura | 1989-01-03 |