| 年份 | 申请发明专利数量 |
|---|---|
| 2024 | — |
| 2023 | — |
| 2022 | 1686 |
| 2021 | 2229 |
| 2020 | 2331 |
| 2019 | 1858 |
| 2018 | 2195 |
| 2017 | 3101 |
| 2016 | 3782 |
| 2015 | 2702 |
| 2014 | 2192 |
| 2013 | 1594 |
| 2012 | 1199 |
| 2011 | 921 |
| 2010 | 838 |
| 2009 | 756 |
| 2008 | 564 |
| 2007 | 231 |
| 2006 | 168 |
| 2005 | 93 |
| 2004 | 70 |
| 2003 | 77 |
| 2002 | 42 |
| 2001 | 37 |
| 2000 | 37 |
| 1999 | 20 |
| 1998 | 44 |
| 1997 | 23 |
| 1996 | 17 |
| 1995 | 17 |
| 1994 | 26 |
| 1993 | 14 |
| 1992 | 15 |
| 1991 | 24 |
| 1990 | 12 |