How many patents does
Hunan Valin Xiangtan Iron And Steel Company have?
patents
220
families
168
granted
52
applications
168
CN
220
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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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Hunan Valin Xiangtan Iron And Steel Company
Top ten assignees appearing on patents
2009
2018
Hunan Valin Xiangtan Iron And Steel Company
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| production method of easily-shaped high-strength medium-thickness steel plate | 2 | 2013 |
| disc scissor edge side gap detecting device and detecting adjusting method thereof | 2 | 2013 |
| production method of easily-shaped high-strength medium-thickness steel plate | 2 | 2013 |
| production method of formable high-strength medium-thickness steel plate | 2 | 2013 |
| production method of formable high-strength medium-thickness steel plate | 2 | 2013 |
| production method of formable high-strength medium-thickness steel plate | 2 | 2013 |
| production method of formable high-strength medium-thickness steel plate | 2 | 2013 |
| production method of tempered high-strength q620d super-thick steel plate | 2 | 2013 |
| production method of tempered high-strength q800d super-thick steel plate | 2 | 2013 |
| production method of tempered high-strength q550e super-thick steel plate | 2 | 2013 |