Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7168285 | Door device for vending machine | Kenji Sakanoue, Koji Hachii, Takeshi Sasaki | 2007-01-30 |
| 6890044 | Door device for vending machine | Kenji Sakanoue, Koji Hachii, Takeshi Sasaki | 2005-05-10 |
| 6584715 | Door for automatic vending machine | Toshiro Fujii, Takuya Koyanagi, Tsugio Hanyuda, Koji Hachii, Kenji Sakanoue | 2003-07-01 |