Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12390376 | Multi-layer absorbent cores and methods of manufacture | Tongtong Zhang, Yan Wang, Jinhee LEE, Qingchun Lu | 2025-08-19 |
| 9898736 | Mobile checkout systems and methods | William Wang Graylin, Jimmy Tai Kwan Tang | 2018-02-20 |
| 9589262 | Mobile checkout systems and methods | William Wang Graylin, Jimmy Tai Kwan Tang | 2017-03-07 |
| 9430768 | Mobile checkout systems and methods | William Wang Graylin, Jimmy Tai Kwan Tang | 2016-08-30 |
| 9412105 | Mobile checkout systems and methods | William Wang Graylin, Jimmy Tai Kwan Tang | 2016-08-09 |
| 9123036 | Mobile checkout systems and methods | William Wang Graylin, Jimmy Tai Kwan Tang | 2015-09-01 |