Patent assignee · US · COMPANY

Z-KAT Inc

10Patents
1Active
10Granted
36Portfolio score

Filing activity: Nov 25, 1996 → Jul 12, 2005 · 1 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
US7206626B2 System and method for haptic sculpting of physical objects Human Necessities 1,098 Expired
US7206627B2 System and method for intra-operative haptic planning of a medical procedure Human Necessities 507 Expired
US7043961B2 Tool calibrator and tracker system Human Necessities 471 Expired
US7302288B1 Tool position indicator Human Necessities 430 Expired
US7139418B2 Fluoroscopic registration artifact with optical and/or magnetic markers Physics 294 Expired
US6674916B1 Interpolation in transform space for multiple rigid object registration Physics 65 Expired
US7383073B1 Digital minimally invasive surgery system Physics 60 Expired
US7689014B2 Apparatus and method for measuring anatomical objects using coordinated fluoroscopy Human Necessities 50 Active
US7359746B2 Image guided interventional method and apparatus Human Necessities 42 Expired
US6187018A Auto positioner Human Necessities 39 Expired

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