| 年份 | 申请发明专利数量 |
|---|---|
| 2024 | — |
| 2023 | — |
| 2022 | 507 |
| 2021 | 981 |
| 2020 | 940 |
| 2019 | 968 |
| 2018 | 1131 |
| 2017 | 1386 |
| 2016 | 622 |
| 2015 | 497 |
| 2014 | 266 |
| 2013 | 275 |
| 2012 | 176 |
| 2011 | 154 |
| 2010 | 151 |
| 2009 | 122 |
| 2008 | 91 |
| 2007 | 94 |
| 2006 | 27 |
| 2005 | 58 |
| 2004 | 37 |
| 2003 | 28 |
| 2002 | 20 |
| 2001 | 24 |
| 2000 | 26 |
| 1999 | 21 |
| 1998 | 19 |
| 1997 | 22 |
| 1996 | 17 |
| 1995 | 30 |
| 1994 | 19 |
| 1993 | 15 |
| 1992 | 9 |
| 1991 | 9 |
| 1990 | 9 |