Inventor · Walnut Creek, CA, US

Hoi Chang

3Patents
3h-index
6Co-inventors
36Inventor score

Filing activity: Jul 16, 2003 → Jul 27, 2005

Most-cited inventions

PatentTitleAreaCited byStatus
US7287166B1 Guards for application in software tamperproofing Physics 94 Expired
US8510571B1 System and method for inserting security mechanisms into a software program Physics 69 Active
US7757097B2 Method and system for tamperproofing software Physics 30 Active

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