| 年份 | 申请发明专利数量 |
|---|---|
| 2024 | — |
| 2023 | — |
| 2022 | 187 |
| 2021 | 302 |
| 2020 | 235 |
| 2019 | 271 |
| 2018 | 204 |
| 2017 | 264 |
| 2016 | 193 |
| 2015 | 164 |
| 2014 | 132 |
| 2013 | 108 |
| 2012 | 72 |
| 2011 | 76 |
| 2010 | 49 |
| 2009 | 58 |
| 2008 | 67 |
| 2007 | 53 |
| 2006 | 44 |
| 2005 | 37 |
| 2004 | 41 |
| 2003 | 38 |
| 2002 | 58 |
| 2001 | 37 |
| 2000 | 25 |
| 1999 | 27 |
| 1998 | 24 |
| 1997 | 25 |
| 1996 | 17 |
| 1995 | 23 |
| 1994 | 21 |
| 1993 | 29 |
| 1992 | 11 |
| 1991 | 17 |
| 1990 | 9 |