Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10253968 | Push-button switch operating portion with diverging and converging lens | Zhi-Zeng Cheng, Jian Liu, Song Liu, Hua Lang Wang, Hong Yang +1 more | 2019-04-09 |
| 9336966 | Indicator lamp | Jindrich Halama, Vit Ledl, Jiri Varak | 2016-05-10 |