| 年份 | 申请发明专利数量 |
|---|---|
| 2024 | — |
| 2023 | — |
| 2022 | 148 |
| 2021 | 277 |
| 2020 | 302 |
| 2019 | 208 |
| 2018 | 456 |
| 2017 | 273 |
| 2016 | 154 |
| 2015 | 103 |
| 2014 | 108 |
| 2013 | 92 |
| 2012 | 92 |
| 2011 | 82 |
| 2010 | 80 |
| 2009 | 61 |
| 2008 | 66 |
| 2007 | 50 |
| 2006 | 43 |
| 2005 | 38 |
| 2004 | 24 |
| 2003 | 26 |
| 2002 | 21 |
| 2001 | 33 |
| 2000 | 38 |
| 1999 | 33 |
| 1998 | 23 |
| 1997 | 28 |
| 1996 | 25 |
| 1995 | 11 |
| 1994 | 16 |
| 1993 | 37 |
| 1992 | 31 |
| 1991 | 17 |
| 1990 | 10 |