| # | Country | Total Patents | |
|---|---|---|---|
| #1 | China | 6 | |
| #2 | United States | 2 | |
| #3 | Australia | 1 | |
| #4 | Canada | 1 | |
| #5 | EPO (European Patent Office) | 1 | |
| #6 | WIPO (World Intellectual Property Organization) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Medical technology | |
| #2 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Dentistry | |
| #2 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Zhuan Qingping | 7 |
| #2 | Qingping Zhuan | 5 |
| Publication | Filing date | Title |
|---|---|---|
| US6964076B2 | Electric toothbrush | |
| EP1509164A1 | Electric toothbrush | |
| CN1488323A | Electric toothbrush | |
| US7266855B2 | Electric toothbrush | |
| CN1074739A | Stepless speed variator | |
| CN1074737A | Friction stepless gearbox | |
| CN1074736A | Stepless speed variator | |
| CN1074740A | Stepless speed variator | |
| CN1074738A | Stepless speed variator |