Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12424070 | Smoke detector and optical sensing system | Guo-Zhen Wang | 2025-09-23 |
| 12106649 | Smoke detector capable of distinguishing smoke and particles | Cheng-Nan Tsai, Guo-Zhen Wang, Yen-Chang Chu, Chih-Ming Sun | 2024-10-01 |
| 12046114 | Smoke detection device with preferred detection accuracy | Yen-Chang Chu, Yen-Po Chen, Chih-Ming Sun, Cheng-Nan Tsai | 2024-07-23 |
| 12036179 | Handheld system of automatic acupoint stimulation | Yu-Chen Lin, Jui-Yu Chen, Shuan-You Lin | 2024-07-16 |
| 11990024 | Multi-stage firm alarm device | Guo-Zhen Wang | 2024-05-21 |
| 11854361 | Smoke detector with protrusions | Cheng-Nan Tsai, Guo-Zhen Wang, Yen-Chang Chu, Chih-Ming Sun | 2023-12-26 |
| 11615684 | Smoke detector | Cheng-Nan Tsai, Guo-Zhen Wang, Yen-Chang Chu, Chih-Ming Sun | 2023-03-28 |