| 年份 | 申请发明专利数量 |
|---|---|
| 2024 | — |
| 2023 | — |
| 2022 | 258 |
| 2021 | 585 |
| 2020 | 597 |
| 2019 | 414 |
| 2018 | 545 |
| 2017 | 460 |
| 2016 | 391 |
| 2015 | 438 |
| 2014 | 212 |
| 2013 | 128 |
| 2012 | 95 |
| 2011 | 74 |
| 2010 | 57 |
| 2009 | 39 |
| 2008 | 31 |
| 2007 | 33 |
| 2006 | 22 |
| 2005 | 4 |
| 2004 | 14 |
| 2003 | 9 |
| 2002 | 7 |
| 2001 | 1 |
| 2000 | 2 |
| 1999 | 4 |
| 1998 | 4 |
| 1997 | 4 |
| 1996 | 7 |
| 1995 | 8 |
| 1994 | 21 |
| 1993 | 7 |
| 1992 | 14 |
| 1991 | 8 |
| 1990 | 3 |