Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5416701 | Hydraulic supply arrangement for use with active automotive suspension or the like | — | 1995-05-16 |
| 5251929 | Hydraulic supply arrangement for use with active automotive suspension or the like | — | 1993-10-12 |
| 5160161 | Working fluid circuit with line pressure control for vehicle active suspension system | Masahiro Tsukamoto | 1992-11-03 |
| 5160160 | Active suspension system | — | 1992-11-03 |
| 5150917 | Active suspension system with control to change variation in pressure of working fluid cylinder between increase and decrease thereof | — | 1992-09-29 |
| 5105358 | Active suspension system with enhanced system start-up activity | Sadao Takase | 1992-04-14 |
| 5092625 | Fail detecting system for electromagnetic actuator and fail-safe system for active suspension system incorporating electromagnetic actuator | — | 1992-03-03 |
| 5089966 | Actively controlled automotive suspension system with improved damping characteristics | Naoto Fukushima, Hirotsugu Yamaguchi, Yohsuke Akatsu, Sunao Hano | 1992-02-18 |
| 5080391 | Vehicular height regulation system for automotive vehicle with active fluid pressure within predetermined variation range | — | 1992-01-14 |
| 5074569 | Height control in active suspension system | — | 1991-12-24 |
| 5044661 | Active suspension system with enhanced suspension control characteristics at ON/OFF transition of suspension control | — | 1991-09-03 |
| 5044662 | Active suspension system with enhanced suspension control characteristics at on/off transition of suspension control | — | 1991-09-03 |
| 5042833 | Active suspension system with fail-safe system capable of automatically resuming normal suspension control upon resumption of normal state operation | — | 1991-08-27 |
| 5041977 | Actively controlled suspension system with fail-safe operation in response to failure of sensor for monitoring vehicle attitude change | — | 1991-08-20 |
| 4938499 | Actively controlled automotive suspension system with engine driving condition dependent vehicular attitude control | — | 1990-07-03 |
| 4905152 | Actively controlled suspension system with control characteristics variable depending upon vehicular speed | — | 1990-02-27 |
| 4827416 | Method and system for controlling automotive suspension system, particularly for controlling suspension characteristics in accordance with road surface conditions | Kenji Kawagoe, Satoru Ishihara, Hideo Ito, Masatsugu Yokote | 1989-05-02 |
| 4787644 | Height control system for automotive vehicle with vehicular profile regulating feature | Masatsugu Yokote, Hideo Ito, Kenzi Kawagoe | 1988-11-29 |
| 4659104 | Automatic level control system for automotive vehicle with fail-safe system therefor | Haruto Tanaka | 1987-04-21 |