Inventor · Irving, TX, US

Roger Chang

3Patents
3h-index
6Co-inventors
43Inventor score

Filing activity: Dec 20, 1991 → Aug 17, 2006

Most-cited inventions

PatentTitleAreaCited byStatus
US5727174A Graphical end-user interface for intelligent assistants Emerging Cross-Sectional Technologies 135 Expired
US5428729A System and method for computer aided software engineering Physics 61 Expired
US7844892B2 Method and system for display of business intelligence data Physics 22 Active

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