How many patents does
Guangzhou Ropen Technology Development Company have?
patents
276
families
193
granted
83
applications
193
CN
276
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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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Guangzhou Ropen Technology Development Company
Top ten assignees appearing on patents
2018
Guangzhou Ropen Technology Development Company
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| phase sequence recognition method and system of energy feedback grid-connected inverter | 2 | 2014 |
| hydraulic electromagnetic valve for mine | 2 | 2014 |
| method and system for supervising power supply of electrohydraulic control system of hyd… 🛈 | 2 | 2014 |
| automatic electronic board spraying production line and production method | 2 | 2014 |
| display method and system of coal-seam distribution | 2 | 2014 |
| method and system for estimating load in elevator car | 2 | 2014 |
| door change gear service life testing device | 2 | 2014 |
| intelligent elevator door control system adopting electromagnetic lock | 2 | 2014 |
| ic (integrated circuit) card write-in method and system and ic card reading method and s… 🛈 | 2 | 2014 |
| security system, multilevel security controlling system and location information reading… 🛈 | 2 | 2014 |