| 年份 | 申请发明专利数量 |
|---|---|
| 2024 | — |
| 2023 | — |
| 2022 | 900 |
| 2021 | 1433 |
| 2020 | 1198 |
| 2019 | 955 |
| 2018 | 990 |
| 2017 | 813 |
| 2016 | 613 |
| 2015 | 430 |
| 2014 | 307 |
| 2013 | 253 |
| 2012 | 206 |
| 2011 | 156 |
| 2010 | 197 |
| 2009 | 183 |
| 2008 | 175 |
| 2007 | 90 |
| 2006 | 88 |
| 2005 | 63 |
| 2004 | 60 |
| 2003 | 27 |
| 2002 | 21 |
| 2001 | 31 |
| 2000 | 38 |
| 1999 | 19 |
| 1998 | 12 |
| 1997 | 13 |
| 1996 | 11 |
| 1995 | 23 |
| 1994 | 24 |
| 1993 | 24 |
| 1992 | 26 |
| 1991 | 19 |
| 1990 | 11 |