| 年份 | 申请发明专利数量 |
|---|---|
| 2024 | — |
| 2023 | — |
| 2022 | 246 |
| 2021 | 315 |
| 2020 | 212 |
| 2019 | 185 |
| 2018 | 198 |
| 2017 | 187 |
| 2016 | 145 |
| 2015 | 151 |
| 2014 | 208 |
| 2013 | 120 |
| 2012 | 82 |
| 2011 | 51 |
| 2010 | 48 |
| 2009 | 44 |
| 2008 | 17 |
| 2007 | 56 |
| 2006 | 59 |
| 2005 | 3 |
| 2004 | 6 |
| 2003 | 4 |
| 2002 | 5 |
| 2001 | 3 |
| 2000 | 2 |
| 1999 | 3 |
| 1998 | 1 |
| 1997 | 4 |
| 1996 | 1 |
| 1995 | 3 |
| 1994 | 3 |
| 1993 | 1 |
| 1992 | 4 |
| 1991 | 0 |
| 1990 | 1 |