Inventor · Palo Alto, CA, US

Pei Cao

25Patents
9h-index
32Co-inventors
71Inventor score

Filing activity: Jun 3, 2005 → Sep 12, 2022

Most-cited inventions

PatentTitleAreaCited byStatus
US7693813B1 Index server architecture using tiered and sharded phrase posting lists Emerging Cross-Sectional Technologies 269 Active
US8682901B1 Index server architecture using tiered and sharded phrase posting lists Emerging Cross-Sectional Technologies 47 Active
US8166021B1 Query phrasification Physics 39 Active
USD821044S1 Vacuum cleaner General 35 Active
USD921308S1 Robotic vacuum cleaner General 35 Active
US8090723B2 Index server architecture using tiered and sharded phrase posting lists Emerging Cross-Sectional Technologies 33 Active
US8086594B1 Bifurcated document relevance scoring Physics 27 Active
US8600975B1 Query phrasification Physics 13 Active
US9652483B1 Index server architecture using tiered and sharded phrase posting lists Emerging Cross-Sectional Technologies 12 Active
US7544166B2 Systems and methods for imaging with deployable imaging devices Human Necessities 9 Active
USD786517S1 Cleaner General 9 Active
US9223877B1 Index server architecture using tiered and sharded phrase posting lists Emerging Cross-Sectional Technologies 6 Active
USD785877S1 Cleaner General 6 Active
US8108391B1 Identifying non-compositional compounds Physics 5 Active
US8943067B1 Index server architecture using tiered and sharded phrase posting lists Emerging Cross-Sectional Technologies 5 Active
USD1020147S1 Combined vacuum cleaner and holder therefor General 4 Active
USD1021300S1 Cleaner General 2 Active
USD1033774S1 Cleaner General 2 Active
US10347294B2 Generating moving thumbnails for videos Physics 1 Active
US10152535B1 Query phrasification Physics 1 Active
USD1033773S1 Floor cleaning machine General 1 Active
US11602269B2 Oscillating endoscopic catheter for fallopian tube navigation Human Necessities 1 Active
US8572081B1 Identifying non-compositional compounds Physics 0 Active
US12318252B2 Combined ultrasonic and direct visual hysteroscope Human Necessities 0 Active
US10777229B2 Generating moving thumbnails for videos Physics 0 Active

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