| 年份 | 申请发明专利数量 |
|---|---|
| 2024 | — |
| 2023 | — |
| 2022 | 131 |
| 2021 | 255 |
| 2020 | 232 |
| 2019 | 183 |
| 2018 | 128 |
| 2017 | 329 |
| 2016 | 235 |
| 2015 | 176 |
| 2014 | 206 |
| 2013 | 103 |
| 2012 | 56 |
| 2011 | 60 |
| 2010 | 36 |
| 2009 | 39 |
| 2008 | 43 |
| 2007 | 30 |
| 2006 | 30 |
| 2005 | 14 |
| 2004 | 9 |
| 2003 | 7 |
| 2002 | 5 |
| 2001 | 4 |
| 2000 | 14 |
| 1999 | 4 |
| 1998 | 4 |
| 1997 | 5 |
| 1996 | 4 |
| 1995 | 7 |
| 1994 | 5 |
| 1993 | 11 |
| 1992 | 5 |
| 1991 | 1 |
| 1990 | 2 |