Issued Patents All Time
Showing 26–49 of 49 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7248958 | Road surface state estimating apparatus, road surface friction state estimating apparatus, road surface state physical quantity calculating apparatus, and road surface state announcing apparatus | Yoshitoshi Watanabe, Katsuhiro Asano, Shu Asami, Masaru Sugai | 2007-07-24 |
| 7010990 | Force detecting apparatus | Katsuhiro Asano, Yoshitoshi Watanabe, Masaru Sugai, Shu Asami | 2006-03-14 |
| 6879938 | Tire burst prediction device | Katsuhiro Asano, Eiichi Ono, Hideki Ohashi, {umlaut over (K)}azuhiro Kamiya, Yukio Mori +1 more | 2005-04-12 |
| 6871530 | Physical quantity estimating apparatus and tire state determining apparatus, and estimating method of same and determination method of same | Masaru Sugai, Katsuhiro Asano | 2005-03-29 |
| 6711508 | Method and apparatus for estimating tire air pressure | Kazuhiro Kamiya, Yukio Mori, Hideki Ohashi, Yuichi Inoue, Takeyasu Taguchi | 2004-03-23 |
| 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 |
| 6447076 | Device and method for estimating physical quantity and device and method for ABS control | Shoji Ito, Eiichi Ono, Masaru Sugai, Katsuhiro Asano, Hiroyuki Yamaguchi +1 more | 2002-09-10 |
| 6324461 | Road surface condition estimating apparatus and variation reduction processing apparatus | Hiroyuki Yamaguchi, Katsuhiro Asano, Eiichi Ono, Masaru Sugai | 2001-11-27 |
| 6264292 | Wheel condition estimating apparatus | Katsuhiro Asano, Eiichi Ono, Hiroyuki Yamaguchi, Masaru Sugai | 2001-07-24 |
| 6182001 | Braking estimation device, anti-lock brake controller, and braking pressure controller | Masaru Sugai, Katsuhiro Asano, Eiichi Ono, Hiroyuki Yamaguchi | 2001-01-30 |
| 6142026 | Wheel information estimating apparatus | Hideki Ohashi, Hiroyuki Kawai, Hiroyoshi Kojima, Katsuhiro Asano, Toshiharu Naito +1 more | 2000-11-07 |
| 6122585 | Anti-lock braking system based on an estimated gradient of friction torque, method of determining a starting point for anti-lock brake control, and wheel-behavior-quantity servo control means equipped with limit determination means | Eiichi Ono, Katsuhiro Asano, Hiroyuki Yamaguchi, Masaru Sugai | 2000-09-19 |
| 5982279 | Tire air pressure detecting device | Motonori Tominaga, Yuuichi Inoue, Kenji Tomiita, Shinjiro Fukada, Yoshihiro Nishikawa +1 more | 1999-11-09 |
| 5939626 | Tire pressure detecting device which compares driven and driving wheel speeds and acceleration wherein judgment is prohibited when slippage occurs | Motonari Tominaga, Yoshihiro Nishikawa, Motoji Suzuki, Kenji Fujiwara, Hideki Ohashi | 1999-08-17 |
| 5913241 | Apparatus for estimating vehicle tire air pressure from not only tired wheel motion but also tire temperature | Hideki Ohashi, Hiroyuki Kawai, Hiroyoshi Kojima, Takeyasu Taguchi, Kenji Fujiwara | 1999-06-15 |
| 5826207 | Device for estimating air pressure of tire from vibration components of vehicle wheel speed | Hideki Ohashi, Hiroyuki Kawai, Hiroyoshi Kojima, Katsuhiro Asano, Toshiharu Naito +2 more | 1998-10-20 |
| 5588721 | Vibration analysis of the rotating wheel for controlling anti-lock braking operation | Katsuhiro Asano, Masaru Sugai, Hiroyuki Yamaguchi | 1996-12-31 |
| 5531110 | Method and apparatus for estimating disturbance acting on vehicle tired wheel based on wheel angular velocity and equation of state | Hideki Ohashi, Hiroyuki Kawai, Hiroyoshi Kojima, Nobuo Hiraiwa, Katsuhiro Asano +1 more | 1996-07-02 |
| 5412584 | Dynamic system diagnosing apparatus, tire air pressure diagnosing apparatus and vehicle body weight change detecting apparatus using same | Katsuhiro Asano, Norio Iwama | 1995-05-02 |