Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5702522 | Method of operating a growing hall containing puller cells | Yoshihiro Hirano, Akira Uchikawa | 1997-12-30 |
| 5641354 | Puller cell | Yoshihiro Hirano, Akira Uchikawa | 1997-06-24 |