| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 5 | |
| #2 | WIPO (World Intellectual Property Organization) | 3 | |
| #3 | Australia | 2 | |
| #4 | Canada | 1 | |
| #5 | China | 1 | |
| #6 | EPO (European Patent Office) | 1 | |
| #7 | Hong Kong | 1 | |
| #8 | Taiwan | 1 |
| # | Industry | |
|---|---|---|
| #1 | Digital networks | |
| #2 | Semiconductors | |
| #3 | Computer technology | |
| #4 | Machines | |
| #5 | IT methods for management | |
| #6 | Control |
| # | Name | Total Patents |
|---|---|---|
| #1 | Lofstrom Keith | 9 |
| #2 | Horng Chi-Song | 6 |
| #3 | Sapiro Stephen | 1 |
| #4 | Lofstrom K | 1 |
| #5 | Keith Lofstrom | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US7210634B2 | Circuit for generating an identification code for an IC | |
| US6802447B2 | Method of authenticating an object or entity using a random binary ID code subject to bit drift | |
| US6738788B1 | Database system using a record key having some randomly positioned, non-deterministic bits | |
| US6161213A | System for providing an integrated circuit with a unique identification |