Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12346219 | Method for a charging unit that backs up data stored on a mobile device | Calvinson Chang, Stanley Chu | 2025-07-01 |
| 12119680 | Charging apparatus having backup function | Calvinson Chang, Stanley Chu | 2024-10-15 |
| 11816002 | Method for a data backup unit to intelligently charge a mobile device | Calvinson Chang, Stanley Chu | 2023-11-14 |
| 11755423 | Mobile device for protecting data stored in data backup device and data protection method thereof | Calvinson Chang, Stanley Chu | 2023-09-12 |
| 11350532 | Portable data storage device with double rotatable protective swivels | Calvinson Chang, Stanley Chu | 2022-05-31 |