| 年份 | 申请发明专利数量 |
|---|---|
| 2024 | — |
| 2023 | — |
| 2022 | 459 |
| 2021 | 559 |
| 2020 | 659 |
| 2019 | 627 |
| 2018 | 865 |
| 2017 | 702 |
| 2016 | 536 |
| 2015 | 393 |
| 2014 | 292 |
| 2013 | 237 |
| 2012 | 188 |
| 2011 | 148 |
| 2010 | 96 |
| 2009 | 76 |
| 2008 | 47 |
| 2007 | 31 |
| 2006 | 40 |
| 2005 | 24 |
| 2004 | 15 |
| 2003 | 13 |
| 2002 | 16 |
| 2001 | 15 |
| 2000 | 19 |
| 1999 | 7 |
| 1998 | 12 |
| 1997 | 8 |
| 1996 | 13 |
| 1995 | 6 |
| 1994 | 7 |
| 1993 | 17 |
| 1992 | 21 |
| 1991 | 8 |
| 1990 | 7 |