| 年份 | 申请发明专利数量 |
|---|---|
| 2024 | — |
| 2023 | — |
| 2022 | 844 |
| 2021 | 1325 |
| 2020 | 1401 |
| 2019 | 743 |
| 2018 | 880 |
| 2017 | 721 |
| 2016 | 562 |
| 2015 | 622 |
| 2014 | 378 |
| 2013 | 283 |
| 2012 | 235 |
| 2011 | 147 |
| 2010 | 120 |
| 2009 | 67 |
| 2008 | 54 |
| 2007 | 77 |
| 2006 | 69 |
| 2005 | 60 |
| 2004 | 21 |
| 2003 | 18 |
| 2002 | 8 |
| 2001 | 11 |
| 2000 | 6 |
| 1999 | 7 |
| 1998 | 1 |
| 1997 | 5 |
| 1996 | 3 |
| 1995 | 5 |
| 1994 | 5 |
| 1993 | 2 |
| 1992 | 4 |
| 1991 | 4 |
| 1990 | 2 |