| 年份 | 申请发明专利数量 |
|---|---|
| 2022 | 114 |
| 2021 | 125 |
| 2020 | 188 |
| 2019 | 150 |
| 2018 | 145 |
| 2017 | 173 |
| 2016 | 136 |
| 2015 | 80 |
| 2014 | 77 |
| 2013 | 64 |
| 2012 | 48 |
| 2011 | 30 |
| 2010 | 22 |
| 2009 | 14 |
| 2008 | 8 |
| 2007 | 16 |
| 2006 | 6 |
| 2005 | 14 |
| 2004 | 10 |
| 2003 | 9 |
| 2002 | 5 |
| 2001 | 18 |
| 2000 | 12 |
| 1999 | 13 |
| 1998 | 10 |
| 1997 | 5 |
| 1996 | 2 |
| 1995 | 2 |
| 1994 | 2 |
| 1993 | 7 |
| 1992 | 1 |
| 1991 | 3 |
| 1990 | 0 |