Issued Patents 2005
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6877283 | Manufacture and use of earthquake resistant construction blocks | Susumu Yoshiwara | 2005-04-12 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6877283 | Manufacture and use of earthquake resistant construction blocks | Susumu Yoshiwara | 2005-04-12 |