| 年份 | 申请发明专利数量 |
|---|---|
| 2024 | — |
| 2023 | — |
| 2022 | 275 |
| 2021 | 298 |
| 2020 | 205 |
| 2019 | 206 |
| 2018 | 388 |
| 2017 | 517 |
| 2016 | 375 |
| 2015 | 275 |
| 2014 | 200 |
| 2013 | 218 |
| 2012 | 131 |
| 2011 | 95 |
| 2010 | 52 |
| 2009 | 34 |
| 2008 | 14 |
| 2007 | 15 |
| 2006 | 16 |
| 2005 | 12 |
| 2004 | 7 |
| 2003 | 25 |
| 2002 | 4 |
| 2001 | 3 |
| 2000 | 7 |
| 1999 | 12 |
| 1998 | 6 |
| 1997 | 7 |
| 1996 | 7 |
| 1995 | 3 |
| 1994 | 3 |
| 1993 | 11 |
| 1992 | 10 |
| 1991 | 2 |
| 1990 | 4 |