Tokico, Ltd.
552Patents
0Active
552Granted
45Portfolio score
Filing activity: Oct 15, 1973 → Sep 4, 2003
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5248014A | Hydraulic shock absorber | Mechanical Engineering; Lighting; Heating | 130 | Expired |
| US6058340A | Suspension control apparatus | Performing Operations; Transporting | 123 | Expired |
| US6371262B1 | Damping force control type hydraulic shock absorber | Mechanical Engineering; Lighting; Heating | 123 | Expired |
| US4313529A | Hydraulic damper | Mechanical Engineering; Lighting; Heating | 117 | Expired |
| US4383714A | Rocking movable chair | Human Necessities | 113 | Expired |
| US4975849A | Suspension controller for vehicle | Performing Operations; Transporting | 110 | Expired |
| US6434460B1 | Suspension control system | Emerging Cross-Sectional Technologies | 108 | Expired |
| US6782980B2 | Controllable damping force hydraulic shock absorber | Mechanical Engineering; Lighting; Heating | 106 | Expired |
| US4990050A | Wrist mechanism | Emerging Cross-Sectional Technologies | 106 | Expired |
| US6067490A | Suspension control apparatus utilizing a PWM type proportional solenoid valve | Performing Operations; Transporting | 103 | Expired |
| US4337850A | Hydraulic damper | Emerging Cross-Sectional Technologies | 101 | Expired |
| US6474454B2 | Damping force control type hydraulic shock absorber | Mechanical Engineering; Lighting; Heating | 91 | Expired |
| US6290034A | Suspension control system | Performing Operations; Transporting | 82 | Expired |
| US6092816A | Vehicle height adjusting apparatus and cylinder system used therefor | Performing Operations; Transporting | 82 | Expired |
| US5586627A | Hydraulic shock absorber of damping force adjustable type | Mechanical Engineering; Lighting; Heating | 79 | Expired |
| US6817454B2 | Damping force control type hydraulic shock absorber | Performing Operations; Transporting | 77 | Expired |
| US6412788B1 | Suspension control system | Performing Operations; Transporting | 77 | Expired |
| US5072812A | Hydraulic shock absorber | Emerging Cross-Sectional Technologies | 74 | Expired |
| US4437548A | Shock absorber | Emerging Cross-Sectional Technologies | 66 | Expired |
| US6155391A | Hydraulic shock absorber of a dumping force adjustable type | Performing Operations; Transporting | 62 | Expired |
| US4809091A | Disk apparatus | Physics | 60 | Expired |
| US4953671A | Damping force adjustable hydraulic shock absorber | Performing Operations; Transporting | 59 | Expired |
| US5305653A | Robot wrist mechanism | Emerging Cross-Sectional Technologies | 59 | Expired |
| US5533597A | Suspension control device | Performing Operations; Transporting | 58 | Expired |
| US6079526A | Damping force control type hydraulic shock absorber | Mechanical Engineering; Lighting; Heating | 57 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.