Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6490226 | Ultrasonic sonar and method using transmission frequency different from reverberation frequency | Nobuyuki Iwasaki, Hiroyuki Kani, Tanemichi Chiba, Fumio Asakura | 2002-12-03 |
| 6431001 | Obstacle detecting system having snow detecting function | Takanobu Sasaki, Kenichi Ohue, Tomoyuki Funayama | 2002-08-13 |