Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12230242 | Sound gathering device for voiceprint monitoring and preparation method | Yong Li, Ting-Ni Chen, Ling Ju, Jijing Yin, Ze Zhang +16 more | 2025-02-18 |
| 7515827 | Photographing apparatus and method for taking a picture | — | 2009-04-07 |
| 6969997 | Power source test instrument | Tzong-Hsinang Lan | 2005-11-29 |