How many patents does
Tianwei New Energy Holdings Company have?
patents
295
families
261
granted
34
applications
261
CN
295
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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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Tianwei New Energy Holdings Company
Top ten assignees appearing on patents
2009
2018
Tianwei New Energy Holdings Company
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| cell piece possessing back reflection layer and manufacturing method thereof | 2 | 2011 |
| method for opening passivation layer on back surface of solar cell | 2 | 2011 |
| semi-automatic photovoltaic module repairing stripping machine | 2 | 2014 |
| novel scraping bar for silk screen printing | 2 | 2010 |
| method and loading plate for degumming cleaning silicon wafer | 2 | 2010 |
| surface texturing technology for crystalline silicon solar cell | 2 | 2013 |
| method for preparing pn (positive-negative) junctions by utilizing solid-state phosphoru… 🛈 | 2 | 2010 |
| novel back contact solar cell and method for manufacturing the same | 2 | 2010 |
| method for making grid line on right side of substrate of silicon solar cell | 2 | 2010 |
| method for preparing solar battery by adopting paraffin wax external-frame masking method | 2 | 2012 |