Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5267419 | Panel fastener construction | Teruo Yokota, Noriaki Okamoto, Akihiko Takeda | 1993-12-07 |
| 5127202 | External wall of building constructed by panel units | Teruo Yokota, Akihiko Takeda, Noriaki Okamoto | 1992-07-07 |