William M. Shapiro
14Patents
7h-index
6Co-inventors
55Inventor score
Filing activity: Oct 31, 2003 → Apr 15, 2013
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7707642B1 | Document access auditing | Physics | 37 | Active |
| US7555769B1 | Security policy user interface | Physics | 21 | Active |
| US8108672B1 | Transparent authentication process integration | Electricity | 16 | Active |
| US7930757B2 | Offline access in a document control system | Electricity | 15 | Active |
| US8868916B2 | Self-contained electronic signature | Electricity | 10 | Active |
| US8627489B2 | Distributed document version control | Physics | 10 | Active |
| US7995758B1 | Family of encryption keys | Electricity | 9 | Active |
| US8627077B2 | Transparent authentication process integration | Electricity | 6 | Active |
| US8925108B2 | Document access auditing | Physics | 6 | Active |
| US7840802B1 | Controlling access to electronic documents | Electricity | 4 | Active |
| US8424102B1 | Document access auditing | Physics | 3 | Active |
| US8479301B2 | Offline access in a document control system | Electricity | 3 | Active |
| US8100747B2 | System and method of conducting an auction based game | Human Necessities | 1 | Active |
| US9659180B2 | Personalized website theme | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.