| 年份 | 申请发明专利数量 |
|---|---|
| 2024 | — |
| 2023 | — |
| 2022 | 3080 |
| 2021 | 4713 |
| 2020 | 4826 |
| 2019 | 3235 |
| 2018 | 7017 |
| 2017 | 6321 |
| 2016 | 7477 |
| 2015 | 5213 |
| 2014 | 4069 |
| 2013 | 2559 |
| 2012 | 1156 |
| 2011 | 345 |
| 2010 | 139 |
| 2009 | 136 |
| 2008 | 66 |
| 2007 | 47 |
| 2006 | 18 |
| 2005 | 14 |
| 2004 | 14 |
| 2003 | 11 |
| 2002 | 12 |
| 2001 | 4 |
| 2000 | 10 |
| 1999 | 17 |
| 1998 | 11 |
| 1997 | 7 |
| 1996 | 9 |
| 1995 | 1 |
| 1994 | 11 |
| 1993 | 8 |
| 1992 | 5 |
| 1991 | 1 |
| 1990 | 2 |