Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9265313 | Member structure for umbrella framework | — | 2016-02-23 |
| 9022049 | Umbrella top notch and runner | — | 2015-05-05 |
| 9016296 | Umbrella structure | — | 2015-04-28 |
| 8800577 | Structure of umbrella | Yung Cheng Ma | 2014-08-12 |
| 8776809 | Short force arm deflection device | Yung Cheng Ma | 2014-07-15 |
| 8499775 | Leverage-based large-sized umbrella | Yung Cheng Ma | 2013-08-06 |
| 8424547 | Safety buckle of umbrella runner | Yung Cheng Ma | 2013-04-23 |
| 8365748 | Cushioning device for umbrella | — | 2013-02-05 |
| 8302542 | Furniture frame assembled together without using tools | — | 2012-11-06 |
| 7614413 | Connecting device for umbrella ribs | — | 2009-11-10 |
| 7318443 | Pagoda-shaped umbrella | — | 2008-01-15 |
| D554873 | Quiche chair | — | 2007-11-13 |
| 6848459 | Umbrella canopy orientating device | — | 2005-02-01 |
| 6840253 | Shade rotating device of side post umbrella | — | 2005-01-11 |
| 6810891 | Umbrella canopy orientating device | — | 2004-11-02 |
| 6321763 | Umbrella structure | — | 2001-11-27 |
| 6196489 | Umbrella wire-winding device | — | 2001-03-06 |
| 6170497 | Umbrella opening mechanism | — | 2001-01-09 |