Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5070663 | Damping device for tower-like structure | Fujikazu Sakai, Toshihiro Tamaki | 1991-12-10 |
| 4924958 | Finger skirt for an air cushion vehicle | Ryuichi Yoshida, Tokio Ohnishi, Tetsushi Yamamura, Kanta Nihei | 1990-05-15 |