Issued Patents All Time
Showing 1–25 of 37 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5511817 | Vehicle axle suspension system | Tamiyoshi Kasahara, Kenji Kawagoe, Yutaka Endo, Hiroshi Noguchi | 1996-04-30 |
| 5396423 | Automotive active suspension system for regulating vehicular height level during anti-rolling control | Itaru Fujimura, Naoto Fukushima, Masaharu Sato, Kensuke Fukuyama | 1995-03-07 |
| 5144558 | Actively controlled automotive suspension system with adjustable rolling-stability and/or pitching-stability | Naoto Fukushima, Hirotsugu Yamaguchi, Sunao Hano | 1992-09-01 |
| 5114177 | Anti-rolling controlling system for automotive active suspension system with road friction dependent variable control characteristics | Yukio Fukunaga, Naoto Fukushima, Itaru Fujimura, Masaharu Satoh | 1992-05-19 |
| 5092624 | Suspension control system with variable steering characteristics | Kensuke Fukuyama, Naoto Fukushima, Itaru Fujimura, Masaharu Satoh | 1992-03-03 |
| 5089966 | Actively controlled automotive suspension system with improved damping characteristics | Naoto Fukushima, Hirotsugu Yamaguchi, Sunao Hano, Kazunobu Kawabata | 1992-02-18 |
| 5088762 | Control system for active suspension which distributes load according to lateral acceleration | Kensuke Fukuyama, Naoto Fukushima, Itaru Fujimura, Masaharu Sato | 1992-02-18 |
| 5087068 | Anti-rolling control for actively controlled automobile suspension system with enhanced rolling detecting ability | Yukio Fukanaga, Naoto Fukushima, Itaru Fujimura, Masaharu Satoh | 1992-02-11 |
| 5085459 | Pressure supply network for active suspension system and control therefor | Masaharu Sato, Naoto Fukushima, Yukio Fukunaga, Itaru Fujimura, Kensuke Fukuyama | 1992-02-04 |
| 5083811 | Fluid supply circuit for active suspension system with variable fluid source discharge rate depending upon magnitude of lateral acceleration | Masaharu Sato, Naoto Fukushima, Yukio Fukunaga, Itaru Fujimura, Kensuke Fukuyama | 1992-01-28 |
| 5062660 | Pressure medium fluid circuit for active suspension system with variable fluid source discharge rate depending upon magnitude of stroke in relative displacement between vehicular body and suspension member | Masaharu Satoh, Naoto Fukushima, Yukio Fukunaga, Itaru Fujimura, Kensuke Fukuyama | 1991-11-05 |
| 5056811 | Actively controlled automotive suspension system with mutually independent hydraulic systems having mutually different damping characteristics for improving response characteristics in active suspension control | Yukio Fukunaga, Naoto Fukushima, Sunao Hano | 1991-10-15 |
| 5053965 | Attitude change suppressive vehicular height regulation system | Itaru Fujimura, Naoto Fukushima, Yukio Fukunaga, Masaharu Sato | 1991-10-01 |
| 5040115 | System for monitoring vehicle slip angle | Naoto Fukushima, Yukio Fukunaga, Itaru Fujimura, Masaharu Satoh | 1991-08-13 |
| 5016907 | Anti-rolling control system for automotive active suspension system | Naoto Fukushima, Itaru Fujimura, Yukio Fukunaga | 1991-05-21 |
| 5013061 | Hydraulic circuit for actively controlled automotive suspension system with fail-safe system | Itaru Fujimura, Naoto Fukushima, Yukio Fukunaga | 1991-05-07 |
| 4982979 | Active suspension system with enhanced response characteristics hydraulic circuit | Naoto Fukushima, Yukio Fukunaga, Itaru Fujimura, Masaharu Satoh, Kensuke Fukuyama +2 more | 1991-01-08 |
| 4967360 | Actively controlled suspension system with power supply control | Yukio Fukunaga, Naoto Fukushima, Sunao Hano, Masaharu Sato | 1990-10-30 |
| 4961595 | Active suspension system for an automotive vehicle with slip angle dependent control for enhanced steering characteristics | Naoto Fukushima, Yukio Fukunaga, Itaru Fujimura, Masaharu Satoh | 1990-10-09 |
| 4948164 | Actively controlled suspension system with compensation of delay in phase in control system | Sunao Hano, Naoto Fukushima, Yukio Fukunaga, Masaharu Satoh, Itaru Fujimura | 1990-08-14 |
| 4943084 | Actively controlled suspension system for suppressing attitude change of vehicular body | Yukio Fukunaga, Naoto Fukushima, Sunao Hano, Masaharu Satoh | 1990-07-24 |
| 4934732 | Actively controller suspension system for automotive vehicle for controlling suspension characteristics with vehicular speed dependent variable damping characteristics | Yukio Fukunaga, Naoto Fukushima, Sunao Hano, Masaharu Satoh | 1990-06-19 |
| 4909534 | Actively controlled automotive suspension system with variable damping coefficient and/or spring coefficient | Naoto Fukushima, Hirotsugu Yamaguchi, Sunao Hano | 1990-03-20 |
| 4888696 | Actively controlled automotive suspension system with acceleration and angular velocity dependent anti-pitching and/or anti-rolling feature | Naoto Fukushima, Yukio Fukunaga, Sunao Hano, Masaharu Satoh | 1989-12-19 |
| 4872701 | Acitively controlled automotive suspension system with adjustable response characteristics in pitching-suppressive control | Naoto Fukushima, Yukio Fukunaga, Sunao Hano, Masaharu Satoh | 1989-10-10 |