| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Taiwan | 20 | |
| #2 | United States | 13 | |
| #3 | Canada | 3 | |
| #4 | Japan | 3 | |
| #5 | Germany | 1 | |
| #6 | EPO (European Patent Office) | 1 | |
| #7 | France | 1 | |
| #8 | United Kingdom | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Locks | |
| #2 | Unspecified technologies | |
| #3 | Unspecified technologies | |
| #4 | Bolts for doors or windows |
| # | Name | Total Patents |
|---|---|---|
| #1 | Chang Jing-Chen | 14 |
| #2 | Chen Fang-Kun | 7 |
| #3 | Zhang Jing-Cheng | 4 |
| #4 | Tsai Hung-Cheng | 4 |
| #5 | Lin Lung-Yin | 3 |
| #6 | Cai Hong-Zheng | 2 |
| #7 | Lin Yi-An | 2 |
| #8 | Jang Jing-Cheng | 2 |
| #9 | Chang Jing Chen | 1 |
| #10 | Lv Li-Yun | 1 |
| Publication | Filing date | Title |
|---|---|---|
| JP2009257011A | Electric lock | |
| EP2083137A1 | Electric lock | |
| US7516633B1 | Electric lock | |
| CA2618246A1 | Electric lock that can be operated electrically or manually | |
| CA2616488A1 | Two-handled lock | |
| US7472571B1 | Two-handled lock | |
| TW200923184A | Electric lock | |
| TW200923183A | Lock with grip | |
| JP2007315119A | Electric lock | |
| GB0606578D0 | Electric door lock | |
| US2007169525A1 | Electric door lock | |
| TW200726889A | Electric lock | |
| TWI262979B | Electric lock | |
| US2007051145A1 | Electric lock | |
| US6993943B1 | Electric Padlock | |
| TW200639313A | Electrically controlled padlock | |
| TW200639312A | Electromotive lock | |
| US6898952B1 | Electric padlock | |
| TW200535317A | Electrically controlled padlock | |
| US2005156441A1 | Door lock |