Shuuichi Buma
86Patents
24h-index
45Co-inventors
88Inventor score
Filing activity: May 24, 1984 → Aug 2, 2012
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4949262A | Electronic controlled fluid suspension system with an advance control and a feedback control of a vehicle attitude | Performing Operations; Transporting | 120 | Expired |
| US4647068A | Rear suspension controller | Performing Operations; Transporting | 88 | Expired |
| US4834418A | Electronic controlled gas suspension system | Performing Operations; Transporting | 57 | Expired |
| US4826141A | Electronic controlled air suspension system | Emerging Cross-Sectional Technologies | 55 | Expired |
| US5071158A | Fluid pressure type active suspension responsive to change of rate of change of vehicle height or change of acceleration of vehicle body | Performing Operations; Transporting | 47 | Expired |
| US5162995A | Hydraulic active suspension system for a vehicle performing vehicle height feedback control | Performing Operations; Transporting | 45 | Expired |
| US4592540A | Damping capacity adjusting mechanism for an air suspension | Performing Operations; Transporting | 36 | Expired |
| US4729580A | Suspension controller | Performing Operations; Transporting | 34 | Expired |
| US5119297A | Hydraulic active suspension system for a vehicle capable of enhancing both the comfortability and the controllability of the attitude of vehicle body | Performing Operations; Transporting | 33 | Expired |
| US4937748A | Electronic controlled fluid suspension system | Performing Operations; Transporting | 33 | Expired |
| US5103397A | Hydraulic active suspension system for a vehicle for controlling the attitude of vehicle body responding to lateral acceleration | Performing Operations; Transporting | 32 | Expired |
| US4773635A | Suspension for vehicle | Mechanical Engineering; Lighting; Heating | 29 | Expired |
| US4635906A | Suspension for vehicle | Mechanical Engineering; Lighting; Heating | 29 | Expired |
| US4666135A | Air suspension | Performing Operations; Transporting | 29 | Expired |
| US4673171A | Air suspension | Mechanical Engineering; Lighting; Heating | 27 | Expired |
| US4958850A | Hydraulic circuit system for a vehicle height control device | Performing Operations; Transporting | 27 | Expired |
| US4565151A | Apparatus for indicating a range position for an automatic transmission installed in a vehicle | Emerging Cross-Sectional Technologies | 27 | Expired |
| US7896360B2 | Vehicle stabilizer system | Performing Operations; Transporting | 26 | Active |
| US5159554A | Electronic controlled fluid suspension system | Performing Operations; Transporting | 25 | Expired |
| US4735401A | Switching valve device in an air suspension | Emerging Cross-Sectional Technologies | 25 | Expired |
| US4768758A | Support structure for air suspension mechanism | Performing Operations; Transporting | 25 | Expired |
| US4744589A | Suspension control system | Performing Operations; Transporting | 25 | Expired |
| US4659070A | Air suspension | Performing Operations; Transporting | 24 | Expired |
| US4613116A | Air suspension | Performing Operations; Transporting | 24 | Expired |
| US7938410B2 | Suspension system for vehicle | Performing Operations; Transporting | 24 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.