Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6467648 | Product delivering device and product delivering method of automatic vending machine | Yoshitake Yokota, Hideki Fujimoto, Hiroaki Usuki | 2002-10-22 |
| 6382842 | Plug-in optical connector with wrong plugging prevention key | Shuji Arima | 2002-05-07 |