| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 6 | |
| #2 | United Kingdom | 4 | |
| #3 | EPO (European Patent Office) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Electrical machinery and energy | |
| #2 | Audio-visual technology | |
| #3 | Consumer goods |
| # | Technology | |
|---|---|---|
| #1 | Portable lighting devices | |
| #2 | Lighting device details | |
| #3 | Loudspeakers and microphones | |
| #4 | Buttons, pins and buckles | |
| #5 | Hats |
| # | Name | Total Patents |
|---|---|---|
| #1 | Wang Howard | 11 |
| Publication | Filing date | Title |
|---|---|---|
| US2017251741A1 | Wireless headphone hat | |
| US9591398B1 | Headphone | |
| US5138537A | Variable light beam flashlight | |
| GB9008388D0 | A lighting equipment for a key ring | |
| GB9008387D0 | A lighting equipment for a key ring | |
| GB9000788D0 | Flashlight | |
| US4939628A | Switch mechanism for a flashlight |