| 年份 | 申请发明专利数量 |
|---|---|
| 2024 | — |
| 2023 | — |
| 2022 | 275 |
| 2021 | 358 |
| 2020 | 347 |
| 2019 | 318 |
| 2018 | 260 |
| 2017 | 438 |
| 2016 | 211 |
| 2015 | 114 |
| 2014 | 125 |
| 2013 | 127 |
| 2012 | 131 |
| 2011 | 56 |
| 2010 | 35 |
| 2009 | 22 |
| 2008 | 17 |
| 2007 | 12 |
| 2006 | 26 |
| 2005 | 5 |
| 2004 | 7 |
| 2003 | 1 |
| 2002 | 12 |
| 2001 | 7 |
| 2000 | 3 |
| 1999 | 2 |
| 1998 | 7 |
| 1997 | 4 |
| 1996 | 4 |
| 1995 | 2 |
| 1994 | 1 |
| 1993 | 1 |
| 1992 | 4 |
| 1991 | 3 |
| 1990 | 0 |