| 年份 | 申请发明专利数量 |
|---|---|
| 2024 | — |
| 2023 | — |
| 2022 | 376 |
| 2021 | 520 |
| 2020 | 474 |
| 2019 | 383 |
| 2018 | 601 |
| 2017 | 524 |
| 2016 | 243 |
| 2015 | 239 |
| 2014 | 173 |
| 2013 | 168 |
| 2012 | 132 |
| 2011 | 84 |
| 2010 | 86 |
| 2009 | 44 |
| 2008 | 47 |
| 2007 | 45 |
| 2006 | 29 |
| 2005 | 34 |
| 2004 | 16 |
| 2003 | 20 |
| 2002 | 25 |
| 2001 | 21 |
| 2000 | 23 |
| 1999 | 16 |
| 1998 | 24 |
| 1997 | 18 |
| 1996 | 16 |
| 1995 | 21 |
| 1994 | 6 |
| 1993 | 15 |
| 1992 | 12 |
| 1991 | 16 |
| 1990 | 14 |