Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4881425 | Parking-brake operating device | — | 1989-11-21 |
| 4876914 | Parking-brake operating device | — | 1989-10-31 |
| 4632969 | Resin for high-refractivity lenses | Katsuyoshi Sasagawa, Masao Imai | 1986-12-30 |