| 年份 | 申请发明专利数量 |
|---|---|
| 2024 | — |
| 2023 | — |
| 2022 | 466 |
| 2021 | 631 |
| 2020 | 924 |
| 2019 | 747 |
| 2018 | 1171 |
| 2017 | 1318 |
| 2016 | 668 |
| 2015 | 607 |
| 2014 | 511 |
| 2013 | 367 |
| 2012 | 311 |
| 2011 | 200 |
| 2010 | 130 |
| 2009 | 121 |
| 2008 | 97 |
| 2007 | 84 |
| 2006 | 53 |
| 2005 | 44 |
| 2004 | 25 |
| 2003 | 22 |
| 2002 | 21 |
| 2001 | 21 |
| 2000 | 26 |
| 1999 | 26 |
| 1998 | 23 |
| 1997 | 34 |
| 1996 | 14 |
| 1995 | 37 |
| 1994 | 28 |
| 1993 | 27 |
| 1992 | 21 |
| 1991 | 10 |
| 1990 | 5 |