Patent assignee · JP · COMPANY

KAYABA INDUSTRY Co., LTD.

308Patents
190Active
308Granted
53Portfolio score

Filing activity: Mar 18, 1974 → Jan 3, 2014 · 117 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
US6539816B2 Torque detector Physics 992 Expired
US7722056B2 Damping force generation system and vehicle suspension system constructed by including the same Performing Operations; Transporting 111 Active
US7441638B2 Front fork Mechanical Engineering; Lighting; Heating 101 Active
US7591352B2 Damping valve and shock absorber using same Mechanical Engineering; Lighting; Heating 90 Active
US8641052B2 Suspension device Performing Operations; Transporting 81 Active
US8262062B2 Rotary valve Mechanical Engineering; Lighting; Heating 76 Active
US8807259B2 Motorcycle Performing Operations; Transporting 58 Active
US8109371B2 Damper Mechanical Engineering; Lighting; Heating 45 Active
US6543754B2 Air spring Performing Operations; Transporting 44 Expired
US8387762B2 Suspension device Mechanical Engineering; Lighting; Heating 44 Active
US4883250A Vibration-proof and earthquake-immue mount system Emerging Cross-Sectional Technologies 41 Expired
US8770594B2 Electric suspension device and motorcycle Performing Operations; Transporting 36 Active
US8668060B2 Electromagnetic shock absorber for vehicle Mechanical Engineering; Lighting; Heating 36 Active
US8701845B2 Suspension device Physics 34 Active
US7281372B2 Hydraulic controller and hydraulic drive unit provided with said hydraulic controller Mechanical Engineering; Lighting; Heating 33 Expired
US8370022B2 Suspension system for vehicle Mechanical Engineering; Lighting; Heating 32 Active
US5347811A Load-sensing active hydraulic control device for multiple actuators Mechanical Engineering; Lighting; Heating 31 Expired
US8499903B2 Suspension device Mechanical Engineering; Lighting; Heating 31 Active
US6892662B2 Power steering device for boat with outboard motor Performing Operations; Transporting 27 Expired
US6532623B1 Caster Performing Operations; Transporting 27 Expired
US5593279A Suction connector for pump Mechanical Engineering; Lighting; Heating 26 Expired
US7413064B2 Front fork Mechanical Engineering; Lighting; Heating 24 Expired
US6498403B1 Fail-safe mechanism having a driver circuit for controlling driving of an electrical system of a vehicle Performing Operations; Transporting 22 Expired
US7744097B2 Rear wheel suspension device for two-wheel vehicle Mechanical Engineering; Lighting; Heating 21 Active
US4827982A Detent mechanism for pressure control valve Emerging Cross-Sectional Technologies 20 Expired

Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.