Inventor · Hangzhou City, CN

Na Ma

6Patents
1h-index
9Co-inventors
36Inventor score

Filing activity: Aug 13, 2009 → Dec 28, 2016

Most-cited inventions

PatentTitleAreaCited byStatus
US9652474B2 Providing regional content by matching geographical properties Physics 2 Active
US8775422B2 Determining core geographical information in a document Physics 1 Active
US10755260B2 Methods and apparatuses for mailing items Physics 0 Active
US9141642B2 Determining core geographical information in a document Physics 0 Active
US10122916B2 Object monitoring method and device Electricity 0 Active
US8812536B2 Providing regional content by matching geographical properties Physics 0 Active

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