| 年份 | 申请发明专利数量 |
|---|---|
| 2024 | — |
| 2023 | — |
| 2022 | 424 |
| 2021 | 860 |
| 2020 | 669 |
| 2019 | 548 |
| 2018 | 520 |
| 2017 | 379 |
| 2016 | 396 |
| 2015 | 291 |
| 2014 | 192 |
| 2013 | 181 |
| 2012 | 116 |
| 2011 | 87 |
| 2010 | 55 |
| 2009 | 31 |
| 2008 | 35 |
| 2007 | 44 |
| 2006 | 53 |
| 2005 | 36 |
| 2004 | 36 |
| 2003 | 27 |
| 2002 | 19 |
| 2001 | 8 |
| 2000 | 9 |
| 1999 | 6 |
| 1998 | 9 |
| 1997 | 16 |
| 1996 | 10 |
| 1995 | 13 |
| 1994 | 21 |
| 1993 | 30 |
| 1992 | 13 |
| 1991 | 8 |
| 1990 | 9 |