| 年份 | 申请发明专利数量 |
|---|---|
| 2022 | 62 |
| 2021 | 58 |
| 2020 | 30 |
| 2019 | 37 |
| 2018 | 24 |
| 2017 | 40 |
| 2016 | 13 |
| 2015 | 14 |
| 2014 | 19 |
| 2013 | 7 |
| 2012 | 1 |
| 2011 | 2 |
| 2010 | 2 |
| 2009 | 1 |
| 2008 | 5 |
| 2007 | 0 |
| 2006 | 3 |
| 2005 | 0 |
| 2004 | 11 |
| 2003 | 4 |
| 2002 | 1 |
| 2001 | 0 |
| 2000 | — |
| 1999 | 0 |
| 1998 | 1 |
| 1997 | 0 |
| 1996 | — |
| 1995 | 3 |
| 1994 | 1 |
| 1993 | 1 |
| 1992 | — |
| 1991 | 0 |
| 1990 | 0 |