Issued Patents All Time
Showing 76–77 of 77 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5921762 | Oldham ring system for rotary fluid apparatus | Yu-Choung Chang, Chih-Cheng Yang, Tse-Liang Hsiao, Ching-Feng Lai, Kun-I Liang | 1999-07-13 |
| 5474433 | Axial sealing mechanism of volute compressor | Yu-Choung Chang, Shwu-Er Huang, Chih-Cheng Yang | 1995-12-12 |