| 年份 | 申请发明专利数量 |
|---|---|
| 2024 | — |
| 2023 | — |
| 2022 | 2009 |
| 2021 | 2550 |
| 2020 | 2159 |
| 2019 | 1625 |
| 2018 | 1506 |
| 2017 | 1152 |
| 2016 | 1079 |
| 2015 | 1187 |
| 2014 | 708 |
| 2013 | 588 |
| 2012 | 373 |
| 2011 | 312 |
| 2010 | 308 |
| 2009 | 413 |
| 2008 | 592 |
| 2007 | 480 |
| 2006 | 253 |
| 2005 | 279 |
| 2004 | 174 |
| 2003 | 221 |
| 2002 | 81 |
| 2001 | 60 |
| 2000 | 42 |
| 1999 | 35 |
| 1998 | 23 |
| 1997 | 21 |
| 1996 | 20 |
| 1995 | 11 |
| 1994 | 23 |
| 1993 | 23 |
| 1992 | 18 |
| 1991 | 20 |
| 1990 | 9 |