| 年份 | 申请发明专利数量 |
|---|---|
| 2024 | — |
| 2023 | — |
| 2022 | 1589 |
| 2021 | 1840 |
| 2020 | 3404 |
| 2019 | 2815 |
| 2018 | 2286 |
| 2017 | 1885 |
| 2016 | 1148 |
| 2015 | 1158 |
| 2014 | 965 |
| 2013 | 694 |
| 2012 | 480 |
| 2011 | 406 |
| 2010 | 320 |
| 2009 | 236 |
| 2008 | 168 |
| 2007 | 139 |
| 2006 | 95 |
| 2005 | 99 |
| 2004 | 87 |
| 2003 | 74 |
| 2002 | 66 |
| 2001 | 57 |
| 2000 | 61 |
| 1999 | 57 |
| 1998 | 38 |
| 1997 | 61 |
| 1996 | 51 |
| 1995 | 45 |
| 1994 | 53 |
| 1993 | 72 |
| 1992 | 40 |
| 1991 | 31 |
| 1990 | 14 |