| 年份 | 申请发明专利数量 |
|---|---|
| 2024 | — |
| 2023 | — |
| 2022 | 1667 |
| 2021 | 2430 |
| 2020 | 2619 |
| 2019 | 1576 |
| 2018 | 1873 |
| 2017 | 1649 |
| 2016 | 1480 |
| 2015 | 1064 |
| 2014 | 1376 |
| 2013 | 881 |
| 2012 | 873 |
| 2011 | 779 |
| 2010 | 428 |
| 2009 | 325 |
| 2008 | 188 |
| 2007 | 136 |
| 2006 | 109 |
| 2005 | 69 |
| 2004 | 64 |
| 2003 | 49 |
| 2002 | 41 |
| 2001 | 32 |
| 2000 | 25 |
| 1999 | 14 |
| 1998 | 12 |
| 1997 | 10 |
| 1996 | 13 |
| 1995 | 8 |
| 1994 | 9 |
| 1993 | 20 |
| 1992 | 16 |
| 1991 | 20 |
| 1990 | 8 |