| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 11 | |
| #2 | EPO (European Patent Office) | 1 | |
| #3 | Japan | 1 | |
| #4 | Republic of Korea | 1 |
| # | Industry | |
|---|---|---|
| #1 | Consumer goods | |
| #2 | Electrical machinery and energy | |
| #3 | Optics | |
| #4 | Mechanical elements | |
| #5 | Environmental technology |
| # | Technology | |
|---|---|---|
| #1 | Circuits for supplying electric power | |
| #2 | Travel equipment | |
| #3 | Hand carried bags | |
| #4 | Cameras | |
| #5 | Frames | |
| #6 | Reduction of greenhouse gas emissions | |
| #7 | Batteries |
| # | Name | Total Patents |
|---|---|---|
| #1 | Law Hung Hi | 14 |
| Publication | Filing date | Title |
|---|---|---|
| US2014091765A1 | Traveler Charger Kit | |
| US2013141046A1 | Charger with Multi-sided Arrangement | |
| US2011163719A1 | Universal charger | |
| US2010194332A1 | Adjustable charger | |
| US2009026331A1 | Portable supporting apparatus | |
| US2008156670A1 | Multi-functional storage apparatus | |
| EP1901410A2 | Multi-battery charger | |
| US2009045777A1 | Intelligent battery module for multimedia device | |
| US2009026330A1 | Portable supporting apparatus | |
| US2008067975A1 | Multi-battery charger | |
| US2008156669A1 | Multi-functional storage apparatus |