Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7117127 | Monitoring device and monitoring method for vacuum device | Kenichiro Sonobe, Juntaro Arima | 2006-10-03 |
| 6925423 | Monitoring device and monitoring method for vacuum device | Kenichiro Sonobe, Juntaro Arima | 2005-08-02 |