Issued Patents 2003
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6668637 | Tire air pressure estimating apparatus | Eiichi Ono, Katsuhiro Asano | 2003-12-30 |
| 6640623 | Road surface state estimating device | Eiichi Ono, Masaru Sugai, Akira Tanaka, Yoshiyuki Yasui, Mamoru Sawada | 2003-11-04 |
| 6591670 | Device for detecting wheel speed signal frequency | Katsuhiro Asano | 2003-07-15 |
| 6584427 | Method and apparatus for estimating tire air pressure | Kazuhiro Kamiya, Yukio Mori | 2003-06-24 |
| 6575023 | Tire air pressure determining apparatus and method of determining tire air pressure | Hideki Ohashi, Masahiro Yonetani, Yukio Mori, Takeyasu Taguchi, Yuichi Inoue | 2003-06-10 |
| 6522968 | Device for estimating road friction state | Shoji Ito, Masaki Yamamoto, Katsuhiro Asano, Yasushi Amano, Satoru Onozawa +1 more | 2003-02-18 |