| 年份 | 申请发明专利数量 |
|---|---|
| 2022 | 89 |
| 2021 | 114 |
| 2020 | 113 |
| 2019 | 113 |
| 2018 | 125 |
| 2017 | 129 |
| 2016 | 176 |
| 2015 | 66 |
| 2014 | 82 |
| 2013 | 87 |
| 2012 | 57 |
| 2011 | 34 |
| 2010 | 37 |
| 2009 | 19 |
| 2008 | 33 |
| 2007 | 16 |
| 2006 | 34 |
| 2005 | 8 |
| 2004 | 16 |
| 2003 | 17 |
| 2002 | 9 |
| 2001 | 14 |
| 2000 | 20 |
| 1999 | 4 |
| 1998 | 4 |
| 1997 | 6 |
| 1996 | 3 |
| 1995 | 4 |
| 1994 | 3 |
| 1993 | 4 |
| 1992 | 2 |
| 1991 | 1 |
| 1990 | 0 |