| 年份 | 申请发明专利数量 |
|---|---|
| 2024 | — |
| 2023 | — |
| 2022 | 374 |
| 2021 | 500 |
| 2020 | 582 |
| 2019 | 764 |
| 2018 | 1063 |
| 2017 | 844 |
| 2016 | 421 |
| 2015 | 340 |
| 2014 | 212 |
| 2013 | 216 |
| 2012 | 128 |
| 2011 | 133 |
| 2010 | 72 |
| 2009 | 60 |
| 2008 | 50 |
| 2007 | 26 |
| 2006 | 17 |
| 2005 | 14 |
| 2004 | 11 |
| 2003 | 6 |
| 2002 | 8 |
| 2001 | 8 |
| 2000 | 15 |
| 1999 | 18 |
| 1998 | 18 |
| 1997 | 12 |
| 1996 | 18 |
| 1995 | 16 |
| 1994 | 19 |
| 1993 | 25 |
| 1992 | 17 |
| 1991 | 7 |
| 1990 | 5 |