Inventor · Beijing, CN

Xi Ma

5Patents
2h-index
15Co-inventors
40Inventor score

Filing activity: Sep 29, 2005 → Sep 23, 2014

Most-cited inventions

PatentTitleAreaCited byStatus
US7870509B2 Method and apparatus for improving the visibility of a treemap Physics 7 Active
US7590540B2 Method and system for statistic-based distance definition in text-to-speech conversion Physics 4 Active
US9619173B1 Updating synchronization progress Physics 2 Active
US8443281B2 Constructing a labeled treemap with balanced layout Physics 1 Active
US9547456B2 Method and apparatus for efficient data copying and data migration Physics 0 Active

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