Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4817938 | Bicycle ergometer and eddy current brake therefor | Shinroku Nakao, Akira Itoh, Hiroshi Takano | 1989-04-04 |
| 4800310 | Bicycle ergometer and eddy current brake therefor | Shinroku Nakao, Akira Itoh, Hiroshi Takano | 1989-01-24 |