Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12250318 | Portable encryption device with multiple keys | Quan Xu | 2025-03-11 |
| 12184783 | Multiple factor authentication for portable memory storage system | — | 2024-12-31 |
| 12088721 | Dongle for ciphering data | Quan Xu | 2024-09-10 |
| 11677546 | Methods and systems of securely transferring data | — | 2023-06-13 |
| 11233653 | Dongle for ciphering data | Quan Xu | 2022-01-25 |
| 11074332 | Methods and systems of securely transferring data | — | 2021-07-27 |
| 11032069 | Methods and systems of securely transferring data | — | 2021-06-08 |
| D406575 | External data drive for a computer | Christopher Woodward, Richard Harrison | 1999-03-09 |
| 5171172 | Automatic engine trim system | Robert Heaton | 1992-12-15 |
| 4307700 | Device for automatically charging a woodburning stove | — | 1981-12-29 |