| 年份 | 申请发明专利数量 |
|---|---|
| 2024 | — |
| 2023 | — |
| 2022 | 377 |
| 2021 | 602 |
| 2020 | 547 |
| 2019 | 586 |
| 2018 | 581 |
| 2017 | 466 |
| 2016 | 287 |
| 2015 | 257 |
| 2014 | 199 |
| 2013 | 193 |
| 2012 | 196 |
| 2011 | 154 |
| 2010 | 118 |
| 2009 | 77 |
| 2008 | 66 |
| 2007 | 46 |
| 2006 | 32 |
| 2005 | 22 |
| 2004 | 16 |
| 2003 | 22 |
| 2002 | 17 |
| 2001 | 16 |
| 2000 | 21 |
| 1999 | 23 |
| 1998 | 11 |
| 1997 | 16 |
| 1996 | 10 |
| 1995 | 10 |
| 1994 | 5 |
| 1993 | 15 |
| 1992 | 11 |
| 1991 | 7 |
| 1990 | 4 |