How many patents does
Waltop International Corporation have?
patents
596
families
287
granted
163
applications
433
CN
200
US
162
JP
9
RoW
225
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The report contains ten-year analysis with the following sections
- patent filing analysis
- worldwide filing analysis
- patent family analysis
- application analysis
- granted analysis
- classification analysis
- citation analysis
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Waltop International Corporation
Top ten assignees appearing on patents
2009
| waltop international corporation | 14 |
Waltop International Corporation
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| method for determining incline angle of electromagnetic pointer | 8 | 2013 |
| micro touch pen structure | 7 | 2013 |
| capacitive pointer | 7 | 2014 |
| active capacitive touch pen | 6 | 2013 |
| circuit of frequency counter and method thereof | 6 | 2014 |
| electromagnetic writing unit and electromagnetic handwriting pen for concurrently provid… 🛈 | 6 | 2013 |
| electromagnetic input device and coil detection circuit thereof | 6 | 2013 |
| electromagnetic induction panel structure and method of manufacturing the same, and elec… 🛈 | 6 | 2013 |
| touch-sensitive panel apparatus, control circuit and method for scanning touch event | 6 | 2013 |
| electromagnetic pointer with new type adjustment structure | 6 | 2012 |