How many patents does
Zhengzhou Technical College have?
patents
409
families
379
granted
29
applications
380
CN
409
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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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Zhengzhou Technical College
Top ten assignees appearing on patents
2009 - 2018
2009
2018
Zhengzhou Technical College
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| preparation method of 2-(7-methoxy-1-naphthyl) ethylamine | 3 | 2017 |
| english word memorizing turntable | 2 | 2016 |
| intelligent electric cabinet with self-checking function | 2 | 2016 |
| double-stand-column positioner mechanism for hopper welding and control system of double… 🛈 | 2 | 2015 |
| conducting particle and preparation method thereof | 2 | 2016 |
| pharmaceutical composition for preventing plant virus disease and preparation method of … 🛈 | 2 | 2015 |
| device for random memory of english words | 2 | 2015 |
| english word learning device | 2 | 2016 |
| portable electronic water purification device | 2 | 2015 |
| air sterilizing device | 2 | 2016 |