Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6492902 | Ultrasonic obstacle detector | Naoki Miyamoto | 2002-12-10 |
| 6484581 | Ultrasonic transceiver and vehicle's surrounding obstruction sensor | Akiharu Fukuda | 2002-11-26 |
| 6397085 | Telephone with key-click sound volume control | Mitsunori Okagaki | 2002-05-28 |