| 年份 | 申请发明专利数量 |
|---|---|
| 2024 | — |
| 2023 | — |
| 2022 | 295 |
| 2021 | 338 |
| 2020 | 286 |
| 2019 | 176 |
| 2018 | 195 |
| 2017 | 170 |
| 2016 | 132 |
| 2015 | 107 |
| 2014 | 120 |
| 2013 | 109 |
| 2012 | 73 |
| 2011 | 93 |
| 2010 | 76 |
| 2009 | 61 |
| 2008 | 48 |
| 2007 | 32 |
| 2006 | 29 |
| 2005 | 22 |
| 2004 | 10 |
| 2003 | 18 |
| 2002 | 6 |
| 2001 | 5 |
| 2000 | 8 |
| 1999 | 11 |
| 1998 | 6 |
| 1997 | 3 |
| 1996 | 7 |
| 1995 | 2 |
| 1994 | 1 |
| 1993 | 2 |
| 1992 | 8 |
| 1991 | 2 |
| 1990 | 2 |