Issued Patents All Time
Showing 1–23 of 23 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5162995 | Hydraulic active suspension system for a vehicle performing vehicle height feedback control | Hiroyuki Ikemoto, Shuuichi Buma, Takashi Yonekawa, Toshio Onuma, Tsukasa Watanabe +1 more | 1992-11-10 |
| 5159554 | Electronic controlled fluid suspension system | Shuuichi Buma, Nobutaka Ohwa, Osamu Takeda | 1992-10-27 |
| 5130926 | Pressure control system for suspension | Tsukasa Watanabe, Satoshi Naganawa, Shuuichi Buma, Takashi Yonekawa, Toshio Onuma | 1992-07-14 |
| 5119297 | Hydraulic active suspension system for a vehicle capable of enhancing both the comfortability and the controllability of the attitude of vehicle body | Shuuichi Buma, Hiroyuki Ikemoto, Takashi Yonekawa, Kunihito Sato, Toshio Onuma +1 more | 1992-06-02 |
| 5103397 | Hydraulic active suspension system for a vehicle for controlling the attitude of vehicle body responding to lateral acceleration | Hiroyuki Ikemoto, Shuuichi Buma, Takashi Yonekawa, Toshio Onuma, Tsukasa Watanabe +1 more | 1992-04-07 |
| 5078421 | Pressure control system for suspension | Kouichi Kokubo, Yutaka Iguchi, Masaki Kawanishi, Kunihito Sato, Takashi Yonekawa +1 more | 1992-01-07 |
| 5071158 | Fluid pressure type active suspension responsive to change of rate of change of vehicle height or change of acceleration of vehicle body | Takashi Yonekawa, Shuuichi Buma, Kunihito Sato, Masaki Kawanishi, Kouichi Kokubo +2 more | 1991-12-10 |
| 5069475 | Fluid pressure type active suspension having variable performance responsive to front to rear wheel steering angle ratio | Takashi Yonekawa, Shuuichi Buma, Kunihito Sato, Masaki Kawanishi, Toshiaki Hamada +1 more | 1991-12-03 |
| 5067743 | Pressure control system for suspension | Kouichi Kokubo, Shinichi Tagawa, Masaki Kawanishi, Kunihito Sato, Shuuichi Buma +1 more | 1991-11-26 |
| 5042834 | Fluid pressure type active suspension with bypass control for working fluid pressure operative with variable target value | Takashi Yonekawa, Shuuichi Buma, Kunihito Sato, Masaki Kawanishi, Kouichi Kokubo +1 more | 1991-08-27 |
| 5043893 | Hydraulic active suspension system for a vehicle capable of positively controlling the attitude of vehicle body when heavily loaded | Shuuichi Buma, Takashi Yonekawa, Kunihito Sato, Masaki Kawanishi, Toshio Onuma +4 more | 1991-08-27 |
| 5024459 | Pressure control system for suspension | Kouichi Kokubo, Toshiaki Hamada, Shinichi Tagawa, Nobuyasu Suzumura, Shuuichi Buma +6 more | 1991-06-18 |
| 5013062 | US-OS characteristic control system for a vehicle responding to turning state quantity and the changing rate thereof | Takashi Yonekawa, Toshio Onuma, Shuuichi Buma, Hiroyuki Ikemoto, Kaoru Ohashi +1 more | 1991-05-07 |
| 4973080 | Hydraulic suspension system for a vehicle with less abrupt change in vehicle height when started | Hiroyuki Ikemoto, Shuuichi Buma, Kaoru Ohashi, Takashi Yonekawa, Toshio Oonuma +5 more | 1990-11-27 |
| 4949262 | Electronic controlled fluid suspension system with an advance control and a feedback control of a vehicle attitude | Shuuichi Buma, Takashi Yonekawa, Osamu Takeda, Shingo Urababa, Shunichi Doi | 1990-08-14 |
| 4937748 | Electronic controlled fluid suspension system | Takashi Yonekawa, Shuuichi Buma, Osamu Takeda, Shunichi Doi | 1990-06-26 |
| 4897776 | Electronic controlled fluid suspension system for controlling roll and pitch of a vehicle body | Shingo Urababa, Shuuichi Buma, Takashi Yonekawa, Osamu Takeda, Shunichi Doi | 1990-01-30 |
| 4869528 | Electronically controlled fluid suspension system | Shuuichi Buma, Nobutaka Ohwa, Osamu Takeda | 1989-09-26 |
| 4856798 | Electronically controlled fluid suspension system | Shuuichi Buma, Nobutaka Ohwa, Osamu Takeda | 1989-08-15 |
| 4852906 | Electronically controlled fluid suspension system | Shuuichi Buma, Nobutaka Ohwa, Osamu Takeda | 1989-08-01 |
| 4834418 | Electronic controlled gas suspension system | Shuuichi Buma, Nobutaka Ohwa, Osamu Takeda | 1989-05-30 |
| 4826141 | Electronic controlled air suspension system | Shuuichi Buma, Nobutaka Ohwa, Osamu Takeda | 1989-05-02 |
| 4799707 | Gas suspension system for easier start-up of a compressor | Shuuichi Buma, Nobutaka Ohwa, Osamu Takeda | 1989-01-24 |