| 年份 | 申请发明专利数量 |
|---|---|
| 2024 | — |
| 2023 | — |
| 2022 | 813 |
| 2021 | 1228 |
| 2020 | 1307 |
| 2019 | 957 |
| 2018 | 1042 |
| 2017 | 862 |
| 2016 | 953 |
| 2015 | 785 |
| 2014 | 516 |
| 2013 | 349 |
| 2012 | 233 |
| 2011 | 134 |
| 2010 | 129 |
| 2009 | 140 |
| 2008 | 104 |
| 2007 | 60 |
| 2006 | 59 |
| 2005 | 70 |
| 2004 | 23 |
| 2003 | 35 |
| 2002 | 31 |
| 2001 | 27 |
| 2000 | 33 |
| 1999 | 26 |
| 1998 | 26 |
| 1997 | 20 |
| 1996 | 18 |
| 1995 | 19 |
| 1994 | 23 |
| 1993 | 33 |
| 1992 | 9 |
| 1991 | 9 |
| 1990 | 15 |