注：发明（专利）指对产品、方法或者其改进所提出的新的技术方案。是国际通行的反映拥有自主知识产权技术的核心指标。
| 序号 |
时间(年) |
数据(单位：项) |
| 1 |
2023 |
|
| 2 |
2022 |
|
| 3 |
2021 |
|
| 4 |
2020 |
|
| 5 |
2019 |
|
| 6 |
2018 |
|
| 7 |
2017 |
31365.00 |
| 8 |
2016 |
25524.00 |
| 9 |
2015 |
19499.00 |
| 10 |
2014 |
14474.00 |
| 11 |
2013 |
11938.00 |
| 12 |
2012 |
9974.00 |
| 13 |
2011 |
8774.00 |
| 14 |
2010 |
6438.00 |
| 15 |
2009 |
4416.00 |
| 16 |
2008 |
5335.00 |
| 17 |
2007 |
3670.00 |
| 18 |
2006 |
3578.00 |
| 19 |
2005 |
2594.00 |
| 20 |
2004 |
1734.00 |
| 21 |
2003 |
1492.00 |
| 22 |
2002 |
1013.00 |
| 23 |
2001 |
906.00 |
| 24 |
2000 |
814.00 |
| 25 |
1999 |
628.00 |
| 26 |
1998 |
590.00 |
| 27 |
1997 |
514.00 |
| 28 |
1996 |
460.00 |
| 29 |
1995 |
461.00 |
| 30 |
1994 |
518.00 |
| 31 |
1993 |
571.00 |
| 32 |
1992 |
467.00 |
| 33 |
1991 |
337.00 |
| 34 |
1990 |
256.00 |
| 35 |
1989 |
209.00 |
| 36 |
1988 |
212.00 |
| 37 |
1987 |
182.00 |
