| 年份 | 申请发明专利数量 |
|---|---|
| 2024 | — |
| 2023 | — |
| 2022 | 644 |
| 2021 | 1220 |
| 2020 | 1373 |
| 2019 | 740 |
| 2018 | 594 |
| 2017 | 506 |
| 2016 | 253 |
| 2015 | 174 |
| 2014 | 179 |
| 2013 | 169 |
| 2012 | 114 |
| 2011 | 106 |
| 2010 | 47 |
| 2009 | 46 |
| 2008 | 42 |
| 2007 | 49 |
| 2006 | 31 |
| 2005 | 22 |
| 2004 | 22 |
| 2003 | 24 |
| 2002 | 16 |
| 2001 | 5 |
| 2000 | 9 |
| 1999 | 11 |
| 1998 | 9 |
| 1997 | 6 |
| 1996 | 9 |
| 1995 | 9 |
| 1994 | 7 |
| 1993 | 13 |
| 1992 | 9 |
| 1991 | 9 |
| 1990 | 9 |