| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Canada | 3 | |
| #2 | United States | 2 | |
| #3 | WIPO (World Intellectual Property Organization) | 2 | |
| #4 | China | 1 | |
| #5 | EPO (European Patent Office) | 1 | |
| #6 | Hong Kong | 1 | |
| #7 | Taiwan | 1 |
| # | Industry | |
|---|---|---|
| #1 | Materials and metallurgy | |
| #2 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Alloys | |
| #2 | Changing non-ferrous metals | |
| #3 | Casting metal | |
| #4 | Venting or aerating devices |
| # | Name | Total Patents |
|---|---|---|
| #1 | Chen Chin-Lung | 6 |
| #2 | Hung Ci-Jie | 6 |
| #3 | Chen Jhewn-Kuang | 5 |
| #4 | Chen Jerome Chin Lung | 4 |
| #5 | Li Michael Qiang | 4 |
| #6 | Yeh Fei-Chin | 2 |
| #7 | Chen Jhewn Kuang | 1 |
| #8 | Hung Ci Jie | 1 |
| #9 | Yeh Fei Chin | 1 |
| #10 | Chen Chin Lung | 1 |
| Publication | Filing date | Title |
|---|---|---|
| CA3006852A1 | Double-piston-effect valve | |
| CN106987737A | Have the unleaded of excellent founding and cut brass alloys and its manufacture method and purposes soon | |
| TW201726934A | Unleaded, free-cutting brass alloys with excellent castability, method for producing the same, and application thereof | |
| WO2016029689A1 | Novel double-piston-effect valve |