| 年份 | 申请发明专利数量 |
|---|---|
| 2024 | — |
| 2023 | — |
| 2022 | 103 |
| 2021 | 225 |
| 2020 | 302 |
| 2019 | 221 |
| 2018 | 301 |
| 2017 | 281 |
| 2016 | 277 |
| 2015 | 163 |
| 2014 | 189 |
| 2013 | 159 |
| 2012 | 114 |
| 2011 | 101 |
| 2010 | 90 |
| 2009 | 120 |
| 2008 | 127 |
| 2007 | 79 |
| 2006 | 59 |
| 2005 | 50 |
| 2004 | 83 |
| 2003 | 59 |
| 2002 | 45 |
| 2001 | 53 |
| 2000 | 36 |
| 1999 | 31 |
| 1998 | 31 |
| 1997 | 53 |
| 1996 | 47 |
| 1995 | 24 |
| 1994 | 21 |
| 1993 | 30 |
| 1992 | 29 |
| 1991 | 14 |
| 1990 | 3 |