Inventor · Sammamish, WA, US

Kumar Chellapilla

46Patents
13h-index
58Co-inventors
84Inventor score

Filing activity: Mar 24, 2004 → Mar 31, 2023

Most-cited inventions

PatentTitleAreaCited byStatus
US7729538B2 Spatial recognition and grouping of text and graphics Physics 71 Active
US7305129B2 Methods and apparatus for populating electronic forms from scanned documents Physics 70 Expired
US9117227B1 Temporal features in a messaging platform Physics 63 Active
US7836058B2 Web searching Physics 42 Active
US7634137B2 Unfolded convolution for fast feature extraction Physics 36 Active
US7505946B2 High performance content alteration architecture and techniques Physics 30 Active
US8161130B2 Bottom-up analysis of network sites Electricity 28 Active
US8244752B2 Classifying search query traffic Electricity 21 Active
US9892431B1 Temporal features in a messaging platform Physics 21 Active
US7743013B2 Data partitioning via bucketing bloom filters Physics 18 Active
US9454771B1 Temporal features in a messaging platform Physics 18 Active
US7653944B2 Segmentation based content alteration techniques Physics 14 Active
US7818303B2 Web graph compression through scalable pattern mining Physics 14 Active
US7885952B2 Cloaking detection utilizing popularity and market value Physics 12 Active
US7646913B2 Allograph based writer adaptation for handwritten character recognition Physics 8 Active
US9104960B2 Click prediction using bin counting Physics 7 Active
US10909392B1 Systems and methods for computer-based labeling of sensor data captured by a vehicle Physics 7 Active
US8115948B2 Interactive paper system Electricity 6 Active
US7661065B2 Systems and methods that facilitate improved display of electronic documents Physics 6 Active
US10769677B1 Temporal features in a messaging platform Performing Operations; Transporting 6 Active
US8271500B2 Minimal perfect hash functions using double hashing Electricity 5 Active
US7646940B2 Robust indexing and retrieval of electronic ink Physics 5 Active
US7949657B2 Detecting zero-result search queries Physics 4 Active
US7886266B2 Robust personalization through biased regularization Physics 3 Active
US7844114B2 Logical structure layout identification and classification for offline character recognition Physics 2 Active

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