| 年份 | 申请发明专利数量 |
|---|---|
| 2024 | — |
| 2023 | — |
| 2022 | 262 |
| 2021 | 322 |
| 2020 | 271 |
| 2019 | 197 |
| 2018 | 754 |
| 2017 | 1218 |
| 2016 | 1178 |
| 2015 | 929 |
| 2014 | 559 |
| 2013 | 352 |
| 2012 | 219 |
| 2011 | 55 |
| 2010 | 19 |
| 2009 | 24 |
| 2008 | 25 |
| 2007 | 23 |
| 2006 | 13 |
| 2005 | 7 |
| 2004 | 7 |
| 2003 | 5 |
| 2002 | 7 |
| 2001 | 9 |
| 2000 | 11 |
| 1999 | 8 |
| 1998 | 4 |
| 1997 | 5 |
| 1996 | 7 |
| 1995 | 1 |
| 1994 | 5 |
| 1993 | 3 |
| 1992 | 3 |
| 1991 | 4 |
| 1990 | 4 |