| 年份 | 申请发明专利数量 |
|---|---|
| 2023 | — |
| 2022 | 79 |
| 2021 | 69 |
| 2020 | 42 |
| 2019 | 53 |
| 2018 | 54 |
| 2017 | 62 |
| 2016 | 35 |
| 2015 | 30 |
| 2014 | 7 |
| 2013 | 21 |
| 2012 | 8 |
| 2011 | 11 |
| 2010 | 8 |
| 2009 | 8 |
| 2008 | 11 |
| 2007 | 3 |
| 2006 | 3 |
| 2005 | 3 |
| 2004 | 2 |
| 2003 | 1 |
| 2002 | 1 |
| 2001 | 0 |
| 2000 | 3 |
| 1999 | 1 |
| 1998 | 1 |
| 1997 | 2 |
| 1996 | 1 |
| 1995 | 1 |
| 1994 | 1 |
| 1993 | 0 |
| 1992 | 4 |
| 1991 | 1 |
| 1990 | 0 |