Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5884440 | Seismic isolation device | Takaharu Kubo, Isao Hagiwara, Yoshihide Fukahori | 1999-03-23 |
| 5765322 | Seismic isolation apparatus | Takaharu Kubo, Isao Hagiwara, Yoshihide Fukahori | 1998-06-16 |