| 年份 | 申请发明专利数量 |
|---|---|
| 2024 | — |
| 2023 | — |
| 2022 | 562 |
| 2021 | 770 |
| 2020 | 740 |
| 2019 | 499 |
| 2018 | 608 |
| 2017 | 625 |
| 2016 | 573 |
| 2015 | 449 |
| 2014 | 373 |
| 2013 | 373 |
| 2012 | 167 |
| 2011 | 91 |
| 2010 | 76 |
| 2009 | 50 |
| 2008 | 72 |
| 2007 | 55 |
| 2006 | 68 |
| 2005 | 30 |
| 2004 | 15 |
| 2003 | 10 |
| 2002 | 12 |
| 2001 | 26 |
| 2000 | 17 |
| 1999 | 20 |
| 1998 | 16 |
| 1997 | 16 |
| 1996 | 12 |
| 1995 | 18 |
| 1994 | 19 |
| 1993 | 20 |
| 1992 | 10 |
| 1991 | 3 |
| 1990 | 5 |