KWAN SOFWARE ENGINEERING, INC.
6Patents
3Active
6Granted
35Portfolio score
Filing activity: Apr 6, 1999 → Jul 27, 2011 · 2 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6434701B1 | System and method for digitally marking a file | Electricity | 12 | Expired |
| US6792535B1 | System and method for digitally marking a file with a removable mark | Electricity | 6 | Expired |
| US9229957B2 | Reference objects and/or facial/body recognition | Physics | 5 | Active |
| US7480796B2 | System and method for authenticating data using incompatible digest functions | Physics | 2 | Expired |
| US8433899B2 | System and method for authenticating data using incompatible digest functions | Physics | 0 | Active |
| US8285995B2 | System and method for digitally marking a file with a removable mark | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.