| 年份 | 申请发明专利数量 |
|---|---|
| 2024 | — |
| 2023 | — |
| 2022 | 445 |
| 2021 | 573 |
| 2020 | 619 |
| 2019 | 380 |
| 2018 | 316 |
| 2017 | 242 |
| 2016 | 165 |
| 2015 | 147 |
| 2014 | 153 |
| 2013 | 93 |
| 2012 | 109 |
| 2011 | 76 |
| 2010 | 74 |
| 2009 | 58 |
| 2008 | 44 |
| 2007 | 40 |
| 2006 | 22 |
| 2005 | 22 |
| 2004 | 32 |
| 2003 | 13 |
| 2002 | 17 |
| 2001 | 28 |
| 2000 | 13 |
| 1999 | 2 |
| 1998 | 5 |
| 1997 | 2 |
| 1996 | 4 |
| 1995 | 7 |
| 1994 | 5 |
| 1993 | 15 |
| 1992 | 5 |
| 1991 | 10 |
| 1990 | 3 |