| 年份 | 申请发明专利数量 |
|---|---|
| 2024 | — |
| 2023 | — |
| 2022 | 727 |
| 2021 | 1009 |
| 2020 | 989 |
| 2019 | 1078 |
| 2018 | 848 |
| 2017 | 598 |
| 2016 | 569 |
| 2015 | 533 |
| 2014 | 465 |
| 2013 | 309 |
| 2012 | 267 |
| 2011 | 255 |
| 2010 | 225 |
| 2009 | 188 |
| 2008 | 152 |
| 2007 | 141 |
| 2006 | 149 |
| 2005 | 110 |
| 2004 | 110 |
| 2003 | 88 |
| 2002 | 100 |
| 2001 | 49 |
| 2000 | 64 |
| 1999 | 40 |
| 1998 | 34 |
| 1997 | 21 |
| 1996 | 20 |
| 1995 | 19 |
| 1994 | 21 |
| 1993 | 37 |
| 1992 | 19 |
| 1991 | 9 |
| 1990 | 2 |
