| 年份 | 申请发明专利数量 |
|---|---|
| 2024 | — |
| 2023 | — |
| 2022 | 362 |
| 2021 | 417 |
| 2020 | 417 |
| 2019 | 325 |
| 2018 | 566 |
| 2017 | 515 |
| 2016 | 277 |
| 2015 | 254 |
| 2014 | 234 |
| 2013 | 123 |
| 2012 | 98 |
| 2011 | 70 |
| 2010 | 49 |
| 2009 | 30 |
| 2008 | 54 |
| 2007 | 23 |
| 2006 | 17 |
| 2005 | 14 |
| 2004 | 6 |
| 2003 | 8 |
| 2002 | 5 |
| 2001 | 6 |
| 2000 | 8 |
| 1999 | 17 |
| 1998 | 6 |
| 1997 | 5 |
| 1996 | 1 |
| 1995 | 7 |
| 1994 | 8 |
| 1993 | 6 |
| 1992 | 3 |
| 1991 | 9 |
| 1990 | 2 |