| 年份 | 申请发明专利数量 |
|---|---|
| 2024 | — |
| 2023 | — |
| 2022 | 812 |
| 2021 | 823 |
| 2020 | 753 |
| 2019 | 319 |
| 2018 | 164 |
| 2017 | 314 |
| 2016 | 103 |
| 2015 | 87 |
| 2014 | 50 |
| 2013 | 76 |
| 2012 | 66 |
| 2011 | 50 |
| 2010 | 49 |
| 2009 | 44 |
| 2008 | 24 |
| 2007 | 67 |
| 2006 | 29 |
| 2005 | 30 |
| 2004 | 26 |
| 2003 | 33 |
| 2002 | 33 |
| 2001 | 20 |
| 2000 | 19 |
| 1999 | 10 |
| 1998 | 8 |
| 1997 | 10 |
| 1996 | 11 |
| 1995 | 8 |
| 1994 | 15 |
| 1993 | 8 |
| 1992 | 3 |
| 1991 | 2 |
| 1990 | 2 |