| 年份 | 申请发明专利数量 |
|---|---|
| 2024 | — |
| 2023 | — |
| 2022 | 1610 |
| 2021 | 2337 |
| 2020 | 3199 |
| 2019 | 2525 |
| 2018 | 4976 |
| 2017 | 4180 |
| 2016 | 6208 |
| 2015 | 5345 |
| 2014 | 4302 |
| 2013 | 3259 |
| 2012 | 1817 |
| 2011 | 964 |
| 2010 | 428 |
| 2009 | 389 |
| 2008 | 142 |
| 2007 | 49 |
| 2006 | 42 |
| 2005 | 18 |
| 2004 | 18 |
| 2003 | 22 |
| 2002 | 27 |
| 2001 | 16 |
| 2000 | 18 |
| 1999 | 8 |
| 1998 | 15 |
| 1997 | 12 |
| 1996 | 10 |
| 1995 | 13 |
| 1994 | 12 |
| 1993 | 13 |
| 1992 | 11 |
| 1991 | 5 |
| 1990 | 9 |