| 年份 | 申请发明专利数量 |
|---|---|
| 2022 | 100 |
| 2021 | 113 |
| 2020 | 93 |
| 2019 | 133 |
| 2018 | 131 |
| 2017 | 148 |
| 2016 | 124 |
| 2015 | 90 |
| 2014 | 60 |
| 2013 | 55 |
| 2012 | 53 |
| 2011 | 30 |
| 2010 | 24 |
| 2009 | 15 |
| 2008 | 10 |
| 2007 | 13 |
| 2006 | 9 |
| 2005 | 3 |
| 2004 | 2 |
| 2003 | 2 |
| 2002 | 4 |
| 2001 | 0 |
| 2000 | 1 |
| 1999 | 1 |
| 1998 | 1 |
| 1997 | 2 |
| 1996 | 1 |
| 1995 | 0 |
| 1994 | 1 |
| 1993 | 1 |
| 1992 | 0 |
| 1991 | 1 |