How many patents does
Liu Da have?
patents
885
families
678
granted
167
applications
718
CN
791
US
44
JP
6
GB
3
WO
2
KR
2
RoW
37
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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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Liu Da
Top ten assignees appearing on patents
2009 - 2018
2018
Liu Da
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| driving circuit for powering light sources | 14 | 2008 |
| power systems with multiple power sources | 10 | 2010 |
| backlight controller for driving light sources | 7 | 2008 |
| circuits and methods for driving a load with power factor correction function | 7 | 2009 |
| dc/dc converter with multiple outputs | 7 | 2010 |
| display systems with touch screens | 6 | 2012 |
| power system | 6 | 2009 |
| circuit for vehicle lighting | 6 | 2009 |
| driving circuits and controllers for controlling power to a load | 6 | 2008 |
| light source controllers, methods for controlling the light source and electronic devices | 5 | 2014 |