Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4805359 | Method of applying floor vibration-damping work and vibration-damping floor device | Hiraku Miyake, Yoshio Tanno, Yutaka Hayamizu, Satoru Aizawa, Masahiko Higashino +1 more | 1989-02-21 |