| 年份 | 申请发明专利数量 |
|---|---|
| 2024 | — |
| 2023 | — |
| 2022 | 223 |
| 2021 | 526 |
| 2020 | 533 |
| 2019 | 555 |
| 2018 | 706 |
| 2017 | 454 |
| 2016 | 295 |
| 2015 | 236 |
| 2014 | 185 |
| 2013 | 207 |
| 2012 | 209 |
| 2011 | 152 |
| 2010 | 85 |
| 2009 | 68 |
| 2008 | 60 |
| 2007 | 37 |
| 2006 | 31 |
| 2005 | 18 |
| 2004 | 14 |
| 2003 | 12 |
| 2002 | 7 |
| 2001 | 7 |
| 2000 | 18 |
| 1999 | 6 |
| 1998 | 6 |
| 1997 | 9 |
| 1996 | 9 |
| 1995 | 4 |
| 1994 | 4 |
| 1993 | 5 |
| 1992 | 8 |
| 1991 | 5 |
| 1990 | 4 |