| 年份 | 申请发明专利数量 |
|---|---|
| 2024 | — |
| 2023 | — |
| 2022 | 503 |
| 2021 | 768 |
| 2020 | 660 |
| 2019 | 431 |
| 2018 | 528 |
| 2017 | 364 |
| 2016 | 303 |
| 2015 | 179 |
| 2014 | 155 |
| 2013 | 141 |
| 2012 | 138 |
| 2011 | 78 |
| 2010 | 31 |
| 2009 | 33 |
| 2008 | 36 |
| 2007 | 32 |
| 2006 | 26 |
| 2005 | 33 |
| 2004 | 18 |
| 2003 | 14 |
| 2002 | 11 |
| 2001 | 24 |
| 2000 | 13 |
| 1999 | 14 |
| 1998 | 10 |
| 1997 | 15 |
| 1996 | 11 |
| 1995 | 11 |
| 1994 | 9 |
| 1993 | 14 |
| 1992 | 8 |
| 1991 | 6 |
| 1990 | 3 |