| 年份 | 申请发明专利数量 |
|---|---|
| 2024 | — |
| 2023 | — |
| 2022 | 1357 |
| 2021 | 1772 |
| 2020 | 1878 |
| 2019 | 1569 |
| 2018 | 2013 |
| 2017 | 1294 |
| 2016 | 1000 |
| 2015 | 877 |
| 2014 | 577 |
| 2013 | 548 |
| 2012 | 440 |
| 2011 | 312 |
| 2010 | 264 |
| 2009 | 174 |
| 2008 | 183 |
| 2007 | 200 |
| 2006 | 76 |
| 2005 | 39 |
| 2004 | 19 |
| 2003 | 21 |
| 2002 | 17 |
| 2001 | 11 |
| 2000 | 19 |
| 1999 | 12 |
| 1998 | 14 |
| 1997 | 12 |
| 1996 | 18 |
| 1995 | 9 |
| 1994 | 22 |
| 1993 | 15 |
| 1992 | 10 |
| 1991 | 14 |
| 1990 | 8 |