| 年份 | 申请发明专利数量 |
|---|---|
| 2024 | — |
| 2023 | — |
| 2022 | 763 |
| 2021 | 916 |
| 2020 | 1117 |
| 2019 | 854 |
| 2018 | 849 |
| 2017 | 671 |
| 2016 | 678 |
| 2015 | 455 |
| 2014 | 455 |
| 2013 | 531 |
| 2012 | 409 |
| 2011 | 273 |
| 2010 | 160 |
| 2009 | 180 |
| 2008 | 163 |
| 2007 | 121 |
| 2006 | 105 |
| 2005 | 80 |
| 2004 | 45 |
| 2003 | 37 |
| 2002 | 42 |
| 2001 | 39 |
| 2000 | 33 |
| 1999 | 28 |
| 1998 | 23 |
| 1997 | 13 |
| 1996 | 25 |
| 1995 | 16 |
| 1994 | 14 |
| 1993 | 16 |
| 1992 | 4 |
| 1991 | 10 |
| 1990 | 8 |