| 年份 | 申请发明专利数量 |
|---|---|
| 2024 | — |
| 2023 | — |
| 2022 | 296 |
| 2021 | 387 |
| 2020 | 332 |
| 2019 | 233 |
| 2018 | 276 |
| 2017 | 266 |
| 2016 | 274 |
| 2015 | 173 |
| 2014 | 153 |
| 2013 | 114 |
| 2012 | 103 |
| 2011 | 79 |
| 2010 | 67 |
| 2009 | 56 |
| 2008 | 111 |
| 2007 | 51 |
| 2006 | 67 |
| 2005 | 51 |
| 2004 | 21 |
| 2003 | 42 |
| 2002 | 33 |
| 2001 | 38 |
| 2000 | 42 |
| 1999 | 18 |
| 1998 | 23 |
| 1997 | 23 |
| 1996 | 20 |
| 1995 | 16 |
| 1994 | 19 |
| 1993 | 19 |
| 1992 | 6 |
| 1991 | 15 |
| 1990 | 7 |