Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4429885 | Spacer and expander member for holding and biasing piston ring rails | Ko Chiba, Hajime Yamauchi, Yukio Ikeda | 1984-02-07 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4429885 | Spacer and expander member for holding and biasing piston ring rails | Ko Chiba, Hajime Yamauchi, Yukio Ikeda | 1984-02-07 |