| 年份 | 申请发明专利数量 |
|---|---|
| 2024 | — |
| 2023 | — |
| 2022 | 6479 |
| 2021 | 8148 |
| 2020 | 7619 |
| 2019 | 6813 |
| 2018 | 7194 |
| 2017 | 5595 |
| 2016 | 4958 |
| 2015 | 4020 |
| 2014 | 3118 |
| 2013 | 2502 |
| 2012 | 2020 |
| 2011 | 1530 |
| 2010 | 1369 |
| 2009 | 1026 |
| 2008 | 957 |
| 2007 | 606 |
| 2006 | 538 |
| 2005 | 484 |
| 2004 | 423 |
| 2003 | 345 |
| 2002 | 234 |
| 2001 | 213 |
| 2000 | 224 |
| 1999 | 142 |
| 1998 | 103 |
| 1997 | 96 |
| 1996 | 187 |
| 1995 | 137 |
| 1994 | 105 |
| 1993 | 103 |
| 1992 | 79 |
| 1991 | 70 |
| 1990 | 50 |