Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5845453 | Jointing metal fitting for buildings | — | 1998-12-08 |
| 5438811 | Jointing metal fixture for construction | — | 1995-08-08 |
| 5177927 | Metal connectors for building | Takao Hirata | 1993-01-12 |