Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5223829 | Electric locker apparatus with automatic locker box designation device | — | 1993-06-29 |
| 5172970 | Electric locker apparatus with emergency unlocking | Yoshinori Momose, Masahisa Kujiraoka, Keizo Watanabe, Masanori Takagi, Hiroshi Sato | 1992-12-22 |