| 年份 | 申请发明专利数量 |
|---|---|
| 2024 | — |
| 2023 | — |
| 2022 | 1093 |
| 2021 | 1333 |
| 2020 | 1103 |
| 2019 | 780 |
| 2018 | 699 |
| 2017 | 482 |
| 2016 | 397 |
| 2015 | 314 |
| 2014 | 220 |
| 2013 | 177 |
| 2012 | 158 |
| 2011 | 119 |
| 2010 | 132 |
| 2009 | 128 |
| 2008 | 86 |
| 2007 | 54 |
| 2006 | 42 |
| 2005 | 40 |
| 2004 | 47 |
| 2003 | 31 |
| 2002 | 23 |
| 2001 | 11 |
| 2000 | 10 |
| 1999 | 9 |
| 1998 | 13 |
| 1997 | 20 |
| 1996 | 15 |
| 1995 | 12 |
| 1994 | 12 |
| 1993 | 12 |
| 1992 | 4 |
| 1991 | 6 |
| 1990 | 11 |