易获数据网沪深A股上市公司申请和授权专利数据1990-2020
数据量：
| 年份 | 数据量 |
|
1990 |
8 |
|
1991 |
13 |
|
1992 |
53 |
|
1993 |
177 |
|
1994 |
287 |
|
1995 |
311 |
|
1996 |
514 |
|
1997 |
720 |
|
1998 |
826 |
|
1999 |
924 |
|
2000 |
1,059 |
|
2001 |
1,138 |
|
2002 |
1,206 |
|
2003 |
1,266 |
|
2004 |
1,362 |
|
2005 |
1,367 |
|
2006 |
1,422 |
|
2007 |
1,537 |
|
2008 |
1,604 |
|
2009 |
1,701 |
|
2010 |
2,045 |
|
2011 |
2,323 |
|
2012 |
2,475 |
|
2013 |
2,474 |
|
2014 |
2,593 |
|
2015 |
2,815 |
|
2016 |
3,035 |
|
2017 |
3,472 |
|
2018 |
3,572 |
|
2019 |
3,770 |
|
2020 |
4,156 |
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