| 年份 | 申请发明专利数量 |
|---|---|
| 2024 | — |
| 2023 | — |
| 2022 | 1262 |
| 2021 | 2185 |
| 2020 | 2718 |
| 2019 | 1963 |
| 2018 | 1741 |
| 2017 | 1497 |
| 2016 | 1225 |
| 2015 | 838 |
| 2014 | 749 |
| 2013 | 534 |
| 2012 | 364 |
| 2011 | 214 |
| 2010 | 203 |
| 2009 | 166 |
| 2008 | 122 |
| 2007 | 96 |
| 2006 | 82 |
| 2005 | 56 |
| 2004 | 24 |
| 2003 | 17 |
| 2002 | 21 |
| 2001 | 11 |
| 2000 | 8 |
| 1999 | 8 |
| 1998 | 11 |
| 1997 | 7 |
| 1996 | 5 |
| 1995 | 6 |
| 1994 | 3 |
| 1993 | 8 |
| 1992 | 5 |
| 1991 | 2 |
| 1990 | 1 |