| 年份 | 申请发明专利数量 |
|---|---|
| 2024 | — |
| 2023 | — |
| 2022 | 4700 |
| 2021 | 6430 |
| 2020 | 5912 |
| 2019 | 5368 |
| 2018 | 5040 |
| 2017 | 3978 |
| 2016 | 3214 |
| 2015 | 2647 |
| 2014 | 2401 |
| 2013 | 2081 |
| 2012 | 1820 |
| 2011 | 1343 |
| 2010 | 987 |
| 2009 | 847 |
| 2008 | 611 |
| 2007 | 530 |
| 2006 | 439 |
| 2005 | 329 |
| 2004 | 248 |
| 2003 | 187 |
| 2002 | 246 |
| 2001 | 187 |
| 2000 | 183 |
| 1999 | 143 |
| 1998 | 139 |
| 1997 | 111 |
| 1996 | 99 |
| 1995 | 88 |
| 1994 | 115 |
| 1993 | 114 |
| 1992 | 69 |
| 1991 | 75 |
| 1990 | 49 |