| 年份 | 申请发明专利数量 |
|---|---|
| 2024 | — |
| 2023 | — |
| 2022 | 1806 |
| 2021 | 3710 |
| 2020 | 2196 |
| 2019 | 1657 |
| 2018 | 1510 |
| 2017 | 1387 |
| 2016 | 782 |
| 2015 | 773 |
| 2014 | 619 |
| 2013 | 550 |
| 2012 | 555 |
| 2011 | 478 |
| 2010 | 373 |
| 2009 | 304 |
| 2008 | 230 |
| 2007 | 153 |
| 2006 | 173 |
| 2005 | 103 |
| 2004 | 88 |
| 2003 | 66 |
| 2002 | 78 |
| 2001 | 63 |
| 2000 | 54 |
| 1999 | 44 |
| 1998 | 42 |
| 1997 | 21 |
| 1996 | 33 |
| 1995 | 18 |
| 1994 | 32 |
| 1993 | 35 |
| 1992 | 15 |
| 1991 | 14 |
| 1990 | 7 |