Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4799161 | Control apparatus for maintaining traction in electric rolling stock | Kiyoshi Nakamura, Syoji Kasai, Hiroshi Yamaguchi, Eiji Kozu | 1989-01-17 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4799161 | Control apparatus for maintaining traction in electric rolling stock | Kiyoshi Nakamura, Syoji Kasai, Hiroshi Yamaguchi, Eiji Kozu | 1989-01-17 |