| # | Country | Total Patents | |
|---|---|---|---|
| #1 | EPO (European Patent Office) | 8 | |
| #2 | Republic of Korea | 6 | |
| #3 | United States | 4 | |
| #4 | China | 1 |
| # | Industry | |
|---|---|---|
| #1 | Audio-visual technology | |
| #2 | Computer technology | |
| #3 | Electrical machinery and energy | |
| #4 | Basic materials chemistry | |
| #5 | Surface technology and coating | |
| #6 | Optics |
| # | Name | Total Patents |
|---|---|---|
| #1 | Lee James Cheng | 10 |
| #2 | James Cheng Lee | 6 |
| #3 | Cheng Lee James | 3 |
| Publication | Filing date | Title |
|---|---|---|
| US2019394897A1 | Plug assembly | |
| US2019236207A1 | Music sharing method and system | |
| US2019236208A1 | Smart speaker with music recognition |