| 年份 | 申请发明专利数量 |
|---|---|
| 2024 | — |
| 2023 | — |
| 2022 | 333 |
| 2021 | 336 |
| 2020 | 245 |
| 2019 | 220 |
| 2018 | 191 |
| 2017 | 178 |
| 2016 | 190 |
| 2015 | 138 |
| 2014 | 144 |
| 2013 | 135 |
| 2012 | 79 |
| 2011 | 76 |
| 2010 | 64 |
| 2009 | 51 |
| 2008 | 34 |
| 2007 | 45 |
| 2006 | 27 |
| 2005 | 23 |
| 2004 | 18 |
| 2003 | 7 |
| 2002 | 4 |
| 2001 | 6 |
| 2000 | 23 |
| 1999 | 14 |
| 1998 | 9 |
| 1997 | 15 |
| 1996 | 12 |
| 1995 | 9 |
| 1994 | 13 |
| 1993 | 15 |
| 1992 | 4 |
| 1991 | 4 |
| 1990 | 6 |