How many patents does
China South Power Grid Electric Power Research Institute Company have?
patents
1,430
families
1,033
granted
378
applications
1,052
CN
1,409
WO
15
US
6
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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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China South Power Grid Electric Power Research Institute Company
Top ten assignees appearing on patents
2009 - 2018
2009
2018
China South Power Grid Electric Power Research Institute Company
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| insulator and transmission line | 5 | 2011 |
| multi-functional direct current ice melting automatic switching circuit and switching me… 🛈 | 4 | 2011 |
| modeling method and system of diode clamped cascaded multi-level converter | 4 | 2015 |
| direct current deicing device based on voltage source type converter and control method … 🛈 | 4 | 2014 |
| electric equipment fault forecasting method based on multi-dimension time sequence | 3 | 2014 |
| transformer internal fault diagnosis method based on virtual parameter change monitoring | 3 | 2014 |
| voltage source type direct-current deicing and static synchronous compensation device an… 🛈 | 3 | 2014 |
| transformer substation control cabin technology | 3 | 2011 |
| multi-feed-in dc recovery process vdcol control parameter optimization method | 2 | 2014 |
| calculation method of single-phase multi-feed-in interaction effect factor based on impe… 🛈 | 2 | 2014 |