How many patents does
Changchun Normal University have?
patents
291
families
281
granted
10
applications
281
CN
291
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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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Changchun Normal University
Top ten assignees appearing on patents
Changchun Normal University
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| light plane equation fitting locating calibration method based on inherent characteristi… 🛈 | 2 | 2015 |
| preparation method of dogbane leaf extractive | 2 | 2009 |
| red fluorescent powder for white light-emitting diode (led) and preparation method there… 🛈 | 2 | 2010 |
| line structured light vision measuring system complete calibrating method comprising sca… 🛈 | 2 | 2016 |
| method for expressing collagen by means of dual-oleosin fusion technology | 2 | 2015 |
| method for preparation of total saponins of panax ginseng by high-voltage pulse electric… 🛈 | 2 | 2014 |
| method for measuring liquid viscosity coefficient | 2 | 2013 |
| segmented model-based camera calibration method | 2 | 2013 |
| novel catalyst used for synthesis of diamond | 2 | 2012 |
| waterlogging falling prevention well head device with functions of overflowing and warni… 🛈 | 2 | 2016 |