| 年份 | 申请发明专利数量 |
|---|---|
| 2024 | — |
| 2023 | — |
| 2022 | 4923 |
| 2021 | 7547 |
| 2020 | 9674 |
| 2019 | 7722 |
| 2018 | 27900 |
| 2017 | 18636 |
| 2016 | 15856 |
| 2015 | 11927 |
| 2014 | 8996 |
| 2013 | 5361 |
| 2012 | 3049 |
| 2011 | 1567 |
| 2010 | 926 |
| 2009 | 936 |
| 2008 | 713 |
| 2007 | 326 |
| 2006 | 137 |
| 2005 | 62 |
| 2004 | 35 |
| 2003 | 9 |
| 2002 | 10 |
| 2001 | 11 |
| 2000 | 5 |
| 1999 | 8 |
| 1998 | 4 |
| 1997 | 4 |
| 1996 | 4 |
| 1995 | 8 |
| 1994 | 4 |
| 1993 | 4 |
| 1992 | 10 |
| 1991 | 3 |
| 1990 | 4 |