| 年份 | 申请发明专利数量 |
|---|---|
| 2024 | — |
| 2023 | — |
| 2022 | 1376 |
| 2021 | 1442 |
| 2020 | 1290 |
| 2019 | 843 |
| 2018 | 1030 |
| 2017 | 777 |
| 2016 | 680 |
| 2015 | 344 |
| 2014 | 314 |
| 2013 | 192 |
| 2012 | 168 |
| 2011 | 194 |
| 2010 | 102 |
| 2009 | 83 |
| 2008 | 66 |
| 2007 | 118 |
| 2006 | 65 |
| 2005 | 63 |
| 2004 | 23 |
| 2003 | 9 |
| 2002 | 18 |
| 2001 | 8 |
| 2000 | 16 |
| 1999 | 14 |
| 1998 | 16 |
| 1997 | 7 |
| 1996 | 3 |
| 1995 | 9 |
| 1994 | 4 |
| 1993 | 14 |
| 1992 | 6 |
| 1991 | 4 |
| 1990 | 6 |