Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4988032 | Method for assembling a structural panel in order to prevent the sag thereof | Akira Sakaguchi, Toshiyuki Tange | 1991-01-29 |
| 4856700 | Apparatus for assembling a structural panel in order to prevent the sag thereof | Akira Sakaguchi, Toshiyuki Tange | 1989-08-15 |