| 年份 | 申请发明专利数量 |
|---|---|
| 2024 | — |
| 2023 | — |
| 2022 | 287 |
| 2021 | 638 |
| 2020 | 742 |
| 2019 | 613 |
| 2018 | 694 |
| 2017 | 562 |
| 2016 | 390 |
| 2015 | 313 |
| 2014 | 291 |
| 2013 | 272 |
| 2012 | 219 |
| 2011 | 147 |
| 2010 | 99 |
| 2009 | 95 |
| 2008 | 66 |
| 2007 | 80 |
| 2006 | 74 |
| 2005 | 36 |
| 2004 | 47 |
| 2003 | 41 |
| 2002 | 29 |
| 2001 | 25 |
| 2000 | 22 |
| 1999 | 21 |
| 1998 | 27 |
| 1997 | 24 |
| 1996 | 8 |
| 1995 | 16 |
| 1994 | 31 |
| 1993 | 26 |
| 1992 | 12 |
| 1991 | 9 |
| 1990 | 6 |