Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12294292 | Power converter having feedback voltage adjusting mechanism for negative voltage | — | 2025-05-06 |
| 11977302 | Cholesteric liquid crystal display device and driving method for improving non-uniform image quality of cholesteric liquid crystal display device | Wu-Chang Yang, Chi-Chang Liao | 2024-05-07 |
| 11948528 | Driving method of cholesteric liquid crystal display | Wu-Chang Yang, Chi-Chang Liao | 2024-04-02 |
| 11177731 | Current detecting circuit and method for constant on-time power converter | Shih-Chung Wei | 2021-11-16 |
| 7604212 | Collapsible frame having a base mechanism | — | 2009-10-20 |
| 7377231 | Retractable pet house | — | 2008-05-27 |
| 7367348 | Collapsible tent structure | Chao-Shun Ko | 2008-05-06 |
| 7066676 | Locating device for a retractable strut of a tent or a closet | — | 2006-06-27 |
| 6929230 | Multi-purpose foldable frame | — | 2005-08-16 |
| 6899112 | Tent structure | — | 2005-05-31 |
| 6640730 | Table | — | 2003-11-04 |
| 6499705 | Multi-purpose supporting structure | — | 2002-12-31 |
| 6170907 | Collapsible chair | — | 2001-01-09 |
| 6035877 | Collapsible shelter | Raymond Losi, II | 2000-03-14 |
| 6026751 | Collapsible table | — | 2000-02-22 |
| 5701923 | Collapsible shelter | Raymond Losi, II | 1997-12-30 |
| 5275188 | Modified folding tent | — | 1994-01-04 |