Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12276288 | Two-stage speed controller | Ping-Cheng Yu, Po-Hsun Yu, Wei-Xiang Cheng | 2025-04-15 |
| 10794497 | Vacuum-based energy-saving large-capacity precision pressure regulation valve | Ping-Cheng Yu | 2020-10-06 |
| 10732650 | Vacuum large-capacity electrically controlled proportional valve | Ping-Cheng Yu, Yu-Li Chen | 2020-08-04 |
| 10704701 | Vacuum electrically controlled proportional valve | Ping-Cheng Yu, Yu-Li Chen | 2020-07-07 |
| 10670163 | Electrically-controlled large-capacity proportional valve | Ping-Cheng Yu | 2020-06-02 |
| 10578065 | Two-stage intake and two-stage discharge structure of electrically controlled proportional valve | Ping-Cheng Yu | 2020-03-03 |
| 10352464 | Structure of energy-saving precision pressure adjusting valve | Ping-Cheng Yu | 2019-07-16 |
| 8556061 | Coin/bill acceptor | Chia-Hung Hu, Teng-Chou Hsiao | 2013-10-15 |
| 7466867 | Method and apparatus for image compression and decompression | Chih-Ta Star Sung, Yin-Chun Blue Lan | 2008-12-16 |