| 年份 | 申请发明专利数量 |
|---|---|
| 2024 | — |
| 2023 | — |
| 2022 | 1312 |
| 2021 | 2134 |
| 2020 | 2092 |
| 2019 | 1883 |
| 2018 | 1507 |
| 2017 | 984 |
| 2016 | 886 |
| 2015 | 695 |
| 2014 | 599 |
| 2013 | 636 |
| 2012 | 422 |
| 2011 | 401 |
| 2010 | 358 |
| 2009 | 281 |
| 2008 | 292 |
| 2007 | 164 |
| 2006 | 92 |
| 2005 | 45 |
| 2004 | 48 |
| 2003 | 39 |
| 2002 | 38 |
| 2001 | 32 |
| 2000 | 55 |
| 1999 | 46 |
| 1998 | 33 |
| 1997 | 40 |
| 1996 | 41 |
| 1995 | 33 |
| 1994 | 31 |
| 1993 | 20 |
| 1992 | 18 |
| 1991 | 12 |
| 1990 | 12 |