| 年份 | 申请发明专利数量 |
|---|---|
| 2022 | 264 |
| 2021 | 408 |
| 2020 | 390 |
| 2019 | 436 |
| 2018 | 902 |
| 2017 | 1135 |
| 2016 | 1470 |
| 2015 | 691 |
| 2014 | 281 |
| 2013 | 109 |
| 2012 | 78 |
| 2011 | 80 |
| 2010 | 19 |
| 2009 | 21 |
| 2008 | 14 |
| 2007 | 35 |
| 2006 | 14 |
| 2005 | 14 |
| 2004 | 10 |
| 2003 | 10 |
| 2002 | 7 |
| 2001 | 7 |
| 2000 | 5 |
| 1999 | 6 |
| 1998 | 5 |
| 1997 | 8 |
| 1996 | 9 |
| 1995 | 11 |
| 1994 | 10 |
| 1993 | 8 |
| 1992 | 4 |
| 1991 | 3 |
| 1990 | 1 |