How many patents does
Angang Steel Company have?
patents
4,912
families
4,215
granted
752
applications
4,160
CN
4,889
EP
7
WO
4
US
3
KR
2
JP
2
RoW
5
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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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the following tables are just extracts from the report
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Angang Steel Company
Top ten assignees appearing on patents
2009 - 2018
2009
| angang steel company | 342 |
| tong de | 2 |
2018
Angang Steel Company
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| process for producing low-cost clean steel | 10 | 2012 |
| a roll profile for both shape control and free ruled rolling | 7 | 2005 |
| a continuous casting and rolling method for medium plate | 4 | 2005 |
| device for testing cooling intensity of blast furnace slag | 3 | 2014 |
| method for installing and fixing cold bed speed reducer | 2 | 2013 |
| method for preventing excessive fusion of prereduced sinter | 2 | 2012 |
| alloyed zinc aluminum magnesium alloy coated steel plate and production method thereof | 2 | 2012 |
| controlled-cooling method for rolled high carbon steel wire rod | 2 | 2009 |
| control method of steel cast ending | 2 | 2009 |
| heat-insulating and weather-resistant environmentally-friendly color plate and preparati… 🛈 | 2 | 2009 |