Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5735098 | Fire-resistant composition, panel and external wall for various buildings | Tadashi Sakai | 1998-04-07 |
| 5624607 | Fire-resistant compostion, panel and external wall for various buildings | Tadashi Sakai | 1997-04-29 |