Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12311209 | Non destructive fire sprinkler system | — | 2025-05-27 |
| 11406726 | Multifunction germicidal apparatus and method | — | 2022-08-09 |
| 10709298 | Failsafe water saving shower head apparatus and method | Huei Meng Chang | 2020-07-14 |
| 10589116 | Wearable pain management apparatus and method | — | 2020-03-17 |
| 10501180 | Multifunction firefighting infrasound, hailstone, plant pollination drone apparatus and method | — | 2019-12-10 |
| 10051700 | Method and apparatus for retrofitting fluorescent tubes to light emitting diodes | Leo Y. Kwok | 2018-08-14 |
| 9999213 | Multi function photo electro acoustic ions drone | — | 2018-06-19 |
| 9807996 | Bug eater | — | 2017-11-07 |
| 7458120 | Inflatable item with a valve attached thereto | Hsien-Wen Chang | 2008-12-02 |
| 6547705 | Exercising apparatus | — | 2003-04-15 |
| 6039679 | Electronic dumbbell | — | 2000-03-21 |
| 5551172 | Ventilation structure for a shoe | — | 1996-09-03 |