| 年份 | 申请发明专利数量 |
|---|---|
| 2024 | — |
| 2023 | — |
| 2022 | 2551 |
| 2021 | 3781 |
| 2020 | 4093 |
| 2019 | 3870 |
| 2018 | 4119 |
| 2017 | 4148 |
| 2016 | 3296 |
| 2015 | 2376 |
| 2014 | 1996 |
| 2013 | 1364 |
| 2012 | 973 |
| 2011 | 740 |
| 2010 | 466 |
| 2009 | 397 |
| 2008 | 254 |
| 2007 | 206 |
| 2006 | 149 |
| 2005 | 102 |
| 2004 | 83 |
| 2003 | 58 |
| 2002 | 40 |
| 2001 | 46 |
| 2000 | 42 |
| 1999 | 49 |
| 1998 | 28 |
| 1997 | 18 |
| 1996 | 17 |
| 1995 | 29 |
| 1994 | 37 |
| 1993 | 29 |
| 1992 | 29 |
| 1991 | 16 |
| 1990 | 15 |