Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6470263 | Average vehicle speed calculation device | Shinji Hiraiwa, Yoshimasa Saito | 2002-10-22 |
| 6385325 | Headphone device | Koji Nageno | 2002-05-07 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6470263 | Average vehicle speed calculation device | Shinji Hiraiwa, Yoshimasa Saito | 2002-10-22 |
| 6385325 | Headphone device | Koji Nageno | 2002-05-07 |