| 年份 | 申请发明专利数量 |
|---|---|
| 2024 | — |
| 2023 | — |
| 2022 | 640 |
| 2021 | 984 |
| 2020 | 1039 |
| 2019 | 865 |
| 2018 | 864 |
| 2017 | 655 |
| 2016 | 805 |
| 2015 | 442 |
| 2014 | 234 |
| 2013 | 169 |
| 2012 | 162 |
| 2011 | 77 |
| 2010 | 78 |
| 2009 | 89 |
| 2008 | 60 |
| 2007 | 41 |
| 2006 | 39 |
| 2005 | 47 |
| 2004 | 42 |
| 2003 | 29 |
| 2002 | 12 |
| 2001 | 22 |
| 2000 | 23 |
| 1999 | 33 |
| 1998 | 20 |
| 1997 | 20 |
| 1996 | 27 |
| 1995 | 16 |
| 1994 | 17 |
| 1993 | 16 |
| 1992 | 9 |
| 1991 | 16 |
| 1990 | 8 |