Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12426825 | Grading method of physiological and emotional response of electroencephalograph (EEG) | Chih-Hung Chang | 2025-09-30 |
| 12426142 | Intelligent human centric lighting system with ambient light monitoring of lighting site environment | Chih-Hung Chang | 2025-09-23 |
| 10135348 | LLC power converter and switching method thereof | Anderson Hsiao, Gary Chang | 2018-11-20 |
| 6684426 | Folding collapsible massage bed | Meng-Tsung Chen | 2004-02-03 |
| 6615431 | Portable massage bed | — | 2003-09-09 |
| 5835384 | Inter-laboratory performance monitoring system | — | 1998-11-10 |
| 5532941 | Inter-laboratory performance monitoring system | — | 1996-07-02 |