| 年份 | 申请发明专利数量 |
|---|---|
| 2024 | — |
| 2023 | — |
| 2022 | 269 |
| 2021 | 415 |
| 2020 | 393 |
| 2019 | 350 |
| 2018 | 452 |
| 2017 | 410 |
| 2016 | 314 |
| 2015 | 322 |
| 2014 | 242 |
| 2013 | 228 |
| 2012 | 191 |
| 2011 | 154 |
| 2010 | 179 |
| 2009 | 120 |
| 2008 | 81 |
| 2007 | 38 |
| 2006 | 51 |
| 2005 | 38 |
| 2004 | 11 |
| 2003 | 14 |
| 2002 | 14 |
| 2001 | 5 |
| 2000 | 20 |
| 1999 | 9 |
| 1998 | 7 |
| 1997 | 11 |
| 1996 | 17 |
| 1995 | 4 |
| 1994 | 7 |
| 1993 | 4 |
| 1992 | 4 |
| 1991 | 3 |
| 1990 | 0 |