Inventor · Bethesda, MD, US

Ophir Frieder

151Patents
18h-index
76Co-inventors
89Inventor score

Filing activity: Apr 11, 1990 → May 6, 2025

Most-cited inventions

PatentTitleAreaCited byStatus
US6701318B2 Multiple engine information retrieval and visualization system Emerging Cross-Sectional Technologies 345 Expired
US5864855A Parallel document clustering process Emerging Cross-Sectional Technologies 221 Expired
US6574632B2 Multiple engine information retrieval and visualization system Emerging Cross-Sectional Technologies 164 Expired
US5335345A Dynamic query optimization using partial information Emerging Cross-Sectional Technologies 154 Expired
US7627489B2 Method for the construction and utilization of a medical records system Physics 146 Active
US9288616B2 Automated electronic reminders for a mobile user Emerging Cross-Sectional Technologies 58 Active
US5201035A Dynamic algorithm selection for volume rendering, isocontour and body extraction within a multiple-instruction, multiple-data multiprocessor Physics 58 Expired
US9225789B2 Automated mobile positional social media method and system Electricity 57 Active
US9338759B2 Method and system for tracking a mobile user Physics 57 Active
US6125434A Dynamic memory reclamation without compiler or linker assistance Emerging Cross-Sectional Technologies 47 Expired
US7406696B2 System and method for providing user input information to multiple independent, concurrent applications Electricity 37 Expired
US6904428B2 Intranet mediator Emerging Cross-Sectional Technologies 37 Expired
US7660819B1 System for similar document detection Emerging Cross-Sectional Technologies 31 Expired
US10902955B1 Detecting COVID-19 using surrogates Electricity 28 Active
USD818723S1 Digital picture frame General 23 Active
US8862591B2 System and method for evaluating sentiment Physics 23 Active
USD805309S1 Combination digital picture frame and cable wall mount General 22 Active
US6839541B2 Technique for establishing a virtual backbone in an ad hoc wireless network Electricity 18 Expired
US7509572B1 Automatic generation of document summaries through use of structured text Physics 17 Expired
US7418399B2 Methods and kits for managing diagnosis and therapeutics of bacterial infections Physics 16 Expired
US8032827B2 Automatic generation of document summaries through use of structured text Physics 13 Active
US7885272B2 Remote control of device by telephone or other communication devices Electricity 12 Active
US7787711B2 Image-based indexing and classification in image databases Physics 12 Active
US8312023B2 Automated forensic document signatures Electricity 11 Active
US7720869B2 Hierarchical structured abstract file system Physics 10 Active

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