Inventor · Toronto, ON, CA

Andrew Witkin

20Patents
7h-index
21Co-inventors
69Inventor score

Filing activity: May 13, 1983 → Jan 28, 2019

Most-cited inventions

PatentTitleAreaCited byStatus
US5993314A Method and apparatus for interactive audience participation by audio command Human Necessities 128 Expired
US4745550A Processing of oriented patterns Physics 29 Expired
US8648863B1 Methods and apparatus for performance style extraction for quality control of animation Physics 28 Active
US6970171B2 Global intersection analysis for determining intesections of objects in computer animation Physics 19 Expired
US4658372A Scale-space filtering Physics 17 Expired
US7355600B2 Global intersection analysis for determining intersections of objects in computer animation Physics 16 Expired
US7693867B2 Model referencing method and apparatus Physics 7 Active
US6657629B2 Collision flypapering: a method for defining realistic behavior for simulated objects in computer animation Emerging Cross-Sectional Technologies 7 Expired
US7737977B2 Techniques for automatically maintaining continuity across discrete animation changes Physics 6 Expired
US8698810B2 Reorienting properties in hair dynamics Physics 6 Active
US10319133B1 Posing animation hierarchies with dynamic posing roots Physics 5 Active
US7206729B2 Inertial field generator: a method for controllably coupling kinematic character motions to dynamically simulated elements Physics 4 Expired
US9098944B2 Scale separation in hair dynamics Physics 4 Active
US8358311B1 Interpolation between model poses using inverse kinematics Physics 3 Active
US8704828B1 Inverse kinematic melting for posing models Physics 3 Active
US10163243B2 Simulation of hair in a distributed computing environment Physics 2 Active
US10192222B2 Internet-based method and system for making user-customized die-cut stickers Physics 1 Active
US10248960B2 Data mining to determine online user responses to broadcast messages Physics 0 Active
US8194079B2 Inertial field generator: a method for controllably coupling kinematic character motions to dynamically simulated elements Physics 0 Active
US11230026B2 Device, system and method for making custom printed products Physics 0 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.