Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4516746 | Nutation damper system comprising a control member for varying a natural frequency of a pendulum | Susumu Takezawa, Ken'ichi Ikebe, Haruki Ayada, Munenori Okada | 1985-05-14 |