| 年份 | 申请发明专利数量 |
|---|---|
| 2024 | — |
| 2023 | — |
| 2022 | 285 |
| 2021 | 408 |
| 2020 | 480 |
| 2019 | 327 |
| 2018 | 368 |
| 2017 | 330 |
| 2016 | 297 |
| 2015 | 210 |
| 2014 | 167 |
| 2013 | 108 |
| 2012 | 85 |
| 2011 | 61 |
| 2010 | 48 |
| 2009 | 28 |
| 2008 | 36 |
| 2007 | 10 |
| 2006 | 11 |
| 2005 | 13 |
| 2004 | 9 |
| 2003 | 10 |
| 2002 | 13 |
| 2001 | 3 |
| 2000 | 7 |
| 1999 | 0 |
| 1998 | 4 |
| 1997 | 0 |
| 1996 | 3 |
| 1995 | 4 |
| 1994 | 5 |
| 1993 | 5 |
| 1992 | 3 |
| 1991 | 3 |
| 1990 | 3 |