ThumbScan, Inc.
5Patents
0Active
5Granted
28Portfolio score
Filing activity: Dec 17, 1985 → Dec 18, 1991
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4896363A | Apparatus and method for matching image characteristics such as fingerprint minutiae | Physics | 236 | Expired |
| US4819267A | Solid state key for controlling access to computer systems and to computer software and/or for secure communications | Physics | 123 | Expired |
| US5222153A | Apparatus for matching a fingerprint using a tacky finger platen | Physics | 47 | Expired |
| USD308863S | Fingerprint reader | General | 22 | Expired |
| USD297327S | Key pad | General | 5 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.