Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4596373 | Anti-vibration apparatus for seismic acceleration | Toshio Omi, Takafumi Fujita, Goro Saito, Jiro Ishida | 1986-06-24 |
| 4402483 | Earthquake isolation floor | Hiroshi Kurabayashi, Takafumi Fujita | 1983-09-06 |