Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4637594 | Leaf spring construction | Tsutomu Saito, Yoshimichi Hasegawa, Kazuo Yoshikawa | 1987-01-20 |
| 4512559 | Leaf spring construction | Kazuo Yoshikawa, Yoshimichi Hasegawa, Junichi Higuchi | 1985-04-23 |
| 4208917 | Device for inspecting spot welds | Kiyokazu Asai | 1980-06-24 |