| 年份 | 申请发明专利数量 |
|---|---|
| 2022 | 122 |
| 2021 | 126 |
| 2020 | 142 |
| 2019 | 124 |
| 2018 | 77 |
| 2017 | 83 |
| 2016 | 122 |
| 2015 | 104 |
| 2014 | 70 |
| 2013 | 95 |
| 2012 | 45 |
| 2011 | 39 |
| 2010 | 24 |
| 2009 | 21 |
| 2008 | 16 |
| 2007 | 18 |
| 2006 | 12 |
| 2005 | 7 |
| 2004 | 13 |
| 2003 | 10 |
| 2002 | 3 |
| 2001 | 2 |
| 2000 | 7 |
| 1999 | 3 |
| 1998 | 7 |
| 1997 | 8 |
| 1996 | 4 |
| 1995 | 1 |
| 1994 | 3 |
| 1993 | 5 |
| 1992 | 1 |
| 1991 | 3 |
| 1990 | 1 |