| 年份 | 申请发明专利数量 |
|---|---|
| 2024 | — |
| 2023 | — |
| 2022 | 71 |
| 2021 | 94 |
| 2020 | 75 |
| 2019 | 78 |
| 2018 | 108 |
| 2017 | 97 |
| 2016 | 109 |
| 2015 | 91 |
| 2014 | 51 |
| 2013 | 51 |
| 2012 | 46 |
| 2011 | 33 |
| 2010 | 26 |
| 2009 | 31 |
| 2008 | 29 |
| 2007 | 29 |
| 2006 | 28 |
| 2005 | 24 |
| 2004 | 19 |
| 2003 | 24 |
| 2002 | 11 |
| 2001 | 26 |
| 2000 | 22 |
| 1999 | 14 |
| 1998 | 16 |
| 1997 | 5 |
| 1996 | 3 |
| 1995 | 12 |
| 1994 | 8 |
| 1993 | 7 |
| 1992 | 10 |
| 1991 | 9 |
| 1990 | 2 |