Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6490227 | Device and method for detecting position of movable body by using ultrasonic waves | Katsumi Nagai | 2002-12-03 |
| 6463009 | Position detecting device and industrial vehicle having the position detecting device | Katsumi Nagai | 2002-10-08 |