Inventor · Somerville, MA, US

David Chen

45Patents
25h-index
59Co-inventors
88Inventor score

Filing activity: Oct 21, 1981 → Jan 19, 2023

Most-cited inventions

PatentTitleAreaCited byStatus
US5024671A Microporous vascular graft Human Necessities 1,623 Expired
US5765561A Video-based surgical targeting system Emerging Cross-Sectional Technologies 285 Expired
US6690960B2 Video-based surgical targeting system Human Necessities 258 Expired
US6261226A Electronically Steerable Endoscope Electricity 236 Expired
US5547455A Electronically steerable endoscope Electricity 235 Expired
US7062556B1 Load balancing method in a communication network Physics 202 Expired
US5800341A Electronically steerable endoscope Electricity 187 Expired
US5825908A Anatomical visualization and measurement system Physics 176 Expired
US5412660A ISDN-to-ISDN communication via satellite microwave radio frequency communications link Electricity 168 Expired
US7725165B2 Method and apparatus for visualizing anatomical structures Human Necessities 117 Active
US7149333B2 Anatomical visualization and measurement system Physics 106 Expired
US6241657A Anatomical visualization system Human Necessities 97 Expired
US7805177B2 Method for determining the risk of rupture of a blood vessel Human Necessities 95 Active
US5776050A Anatomical visualization system Human Necessities 95 Expired
US6675032B2 Video-based surgical targeting system Emerging Cross-Sectional Technologies 82 Expired
US7144367B2 Anatomical visualization system Physics 75 Expired
US7899516B2 Method and apparatus for determining the risk of rupture of a blood vessel using the contiguous element defined area Physics 73 Active
US8359114B2 Haptically enabled dental modeling system Human Necessities 54 Active
US5737506A Anatomical visualization system Physics 54 Expired
US6702736B2 Anatomical visualization system Physics 48 Expired
US6612980B2 Anatomical visualization system Human Necessities 41 Expired
US5545120A Endoscopic viewing system for maintaining a surgeon's normal sense of kinesthesia during endoscopic surgery regardless of the orientation of the endoscope vis-a-vis the surgeon Emerging Cross-Sectional Technologies 39 Expired
US7197170B2 Anatomical visualization and measurement system Physics 32 Expired
US8509933B2 Fabrication of non-homogeneous articles via additive manufacturing using three-dimensional voxel-based models Performing Operations; Transporting 30 Active
US6963431B2 Rendering methods for full parallax autostereoscopic displays Physics 25 Expired

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