| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 4 | |
| #2 | EPO (European Patent Office) | 3 | |
| #3 | Japan | 3 | |
| #4 | China | 2 | |
| #5 | Republic of Korea | 1 | |
| #6 | WIPO (World Intellectual Property Organization) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Basic materials chemistry | |
| #3 | Electrical machinery and energy |
| # | Technology | |
|---|---|---|
| #1 | Clutches and brakes | |
| #2 | Electric switches | |
| #3 | Lubricating compositions | |
| #4 | Special lubricating compositions |
| # | Name | Total Patents |
|---|---|---|
| #1 | Wen Weijia | 12 |
| #2 | Sheng Ping | 12 |
| #3 | Nam Chau Kwan | 6 |
| #4 | Yang Shihe | 2 |
| #5 | Chang Kin Lun | 2 |
| #6 | Chan Kin Lun | 1 |
| #7 | Chan Kin L | 1 |
| #8 | Ping Shen | 1 |
| #9 | Nam Chau K | 1 |
| #10 | Weijia Sheng Ping Wen | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2005285085A1 | Fluid suspensions with electrorheological effect | |
| US2005211525A1 | Parallel field electrode configurations for electrorheological fluid applications | |
| US6831535B1 | Bistable electromagnetic relay | |
| US2005092570A1 | Electrorheological clutch |