Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11578966 | Portable test paper counting device and method based on single photon detector | Jie Ma, Suya Song, Liantuan Xiao, Suotang Jia | 2023-02-14 |
| 8689627 | Low liquid level detecting device and method | Pengjin Lin | 2014-04-08 |
| 7748269 | Low liquid level detecting device and method | Pengjin Lin | 2010-07-06 |