| 年份 | 申请发明专利数量 |
|---|---|
| 2024 | — |
| 2023 | — |
| 2022 | 239 |
| 2021 | 258 |
| 2020 | 208 |
| 2019 | 159 |
| 2018 | 305 |
| 2017 | 170 |
| 2016 | 110 |
| 2015 | 82 |
| 2014 | 81 |
| 2013 | 66 |
| 2012 | 50 |
| 2011 | 35 |
| 2010 | 30 |
| 2009 | 20 |
| 2008 | 15 |
| 2007 | 12 |
| 2006 | 16 |
| 2005 | 6 |
| 2004 | 9 |
| 2003 | 1 |
| 2002 | 3 |
| 2001 | 1 |
| 2000 | 3 |
| 1999 | 3 |
| 1998 | 1 |
| 1997 | 0 |
| 1996 | 2 |
| 1995 | 3 |
| 1994 | 5 |
| 1993 | 4 |
| 1992 | 3 |
| 1991 | 1 |
| 1990 | 0 |