| 年份 | 申请发明专利数量 |
|---|---|
| 2024 | — |
| 2023 | — |
| 2022 | 525 |
| 2021 | 668 |
| 2020 | 557 |
| 2019 | 414 |
| 2018 | 767 |
| 2017 | 905 |
| 2016 | 664 |
| 2015 | 446 |
| 2014 | 330 |
| 2013 | 185 |
| 2012 | 161 |
| 2011 | 124 |
| 2010 | 84 |
| 2009 | 40 |
| 2008 | 24 |
| 2007 | 56 |
| 2006 | 23 |
| 2005 | 23 |
| 2004 | 12 |
| 2003 | 16 |
| 2002 | 12 |
| 2001 | 8 |
| 2000 | 24 |
| 1999 | 8 |
| 1998 | 12 |
| 1997 | 8 |
| 1996 | 7 |
| 1995 | 14 |
| 1994 | 16 |
| 1993 | 14 |
| 1992 | 17 |
| 1991 | 12 |
| 1990 | 4 |