Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6765631 | Vehicle windshield rain sensor | Masao Tokunaga | 2004-07-20 |
| 6686603 | Raindrop detection apparatus and method | — | 2004-02-03 |
| 6686992 | Raindrop detecting method and apparatus having temperature-dependent characteristic compensation | Shinji Wakabayashi, Akira Kurahashi, Osamu Terakura | 2004-02-03 |