| 年份 | 申请发明专利数量 |
|---|---|
| 2024 | — |
| 2023 | — |
| 2022 | 385 |
| 2021 | 634 |
| 2020 | 722 |
| 2019 | 568 |
| 2018 | 825 |
| 2017 | 965 |
| 2016 | 678 |
| 2015 | 320 |
| 2014 | 210 |
| 2013 | 220 |
| 2012 | 166 |
| 2011 | 75 |
| 2010 | 47 |
| 2009 | 34 |
| 2008 | 30 |
| 2007 | 15 |
| 2006 | 44 |
| 2005 | 6 |
| 2004 | 8 |
| 2003 | 6 |
| 2002 | 6 |
| 2001 | 7 |
| 2000 | 8 |
| 1999 | 6 |
| 1998 | 4 |
| 1997 | 7 |
| 1996 | 3 |
| 1995 | 2 |
| 1994 | 8 |
| 1993 | 6 |
| 1992 | 7 |
| 1991 | 4 |
| 1990 | 2 |