How many patents does
State Grid Shanghai Municipal Electric Power Company have?
patents
3,974
families
3,461
granted
495
applications
3,479
CN
3,959
WO
14
JP
1
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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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State Grid Shanghai Municipal Electric Power Company
Top ten assignees appearing on patents
2009 - 2018
2009
2018
State Grid Shanghai Municipal Electric Power Company
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| anti-misoperation short-circuit grounding device | 5 | 2014 |
| manufacturing method of field stop type igbt device | 3 | 2013 |
| speed regulation method based on combined circulation gas turbine system model | 3 | 2014 |
| leakage flux compensation structure | 3 | 2017 |
| idle kinetic energy collecting and storing power generation device | 3 | 2015 |
| capacitance type voltage transformer for transient overvoltage monitoring system | 3 | 2016 |
| quasi dynamic compatibilization method based on cable heat transmission model | 3 | 2014 |
| power flexible load control system and control method thereof | 2 | 2011 |
| control cabinet shutdown leakage current elimination system | 2 | 2014 |
| design method for controller for voltage sag integral governing equipment | 2 | 2014 |