| 年份 | 申请发明专利数量 |
|---|---|
| 2024 | — |
| 2023 | — |
| 2022 | 1548 |
| 2021 | 2110 |
| 2020 | 2092 |
| 2019 | 2323 |
| 2018 | 2189 |
| 2017 | 1592 |
| 2016 | 1375 |
| 2015 | 998 |
| 2014 | 760 |
| 2013 | 662 |
| 2012 | 636 |
| 2011 | 356 |
| 2010 | 309 |
| 2009 | 280 |
| 2008 | 206 |
| 2007 | 158 |
| 2006 | 155 |
| 2005 | 90 |
| 2004 | 66 |
| 2003 | 63 |
| 2002 | 47 |
| 2001 | 50 |
| 2000 | 32 |
| 1999 | 35 |
| 1998 | 38 |
| 1997 | 31 |
| 1996 | 32 |
| 1995 | 21 |
| 1994 | 15 |
| 1993 | 22 |
| 1992 | 15 |
| 1991 | 13 |
| 1990 | 11 |