| 年份 | 申请发明专利数量 |
|---|---|
| 2024 | — |
| 2023 | — |
| 2022 | 365 |
| 2021 | 459 |
| 2020 | 504 |
| 2019 | 517 |
| 2018 | 975 |
| 2017 | 341 |
| 2016 | 329 |
| 2015 | 197 |
| 2014 | 131 |
| 2013 | 101 |
| 2012 | 65 |
| 2011 | 67 |
| 2010 | 50 |
| 2009 | 19 |
| 2008 | 17 |
| 2007 | 27 |
| 2006 | 7 |
| 2005 | 10 |
| 2004 | 18 |
| 2003 | 20 |
| 2002 | 4 |
| 2001 | 5 |
| 2000 | 11 |
| 1999 | 10 |
| 1998 | 3 |
| 1997 | 1 |
| 1996 | 3 |
| 1995 | 2 |
| 1994 | 2 |
| 1993 | 0 |
| 1992 | 2 |
| 1991 | 1 |
| 1990 | — |