| 年份 | 申请发明专利数量 |
|---|---|
| 2024 | — |
| 2023 | — |
| 2022 | 172 |
| 2021 | 334 |
| 2020 | 515 |
| 2019 | 226 |
| 2018 | 644 |
| 2017 | 1360 |
| 2016 | 1468 |
| 2015 | 883 |
| 2014 | 682 |
| 2013 | 381 |
| 2012 | 247 |
| 2011 | 44 |
| 2010 | 26 |
| 2009 | 23 |
| 2008 | 21 |
| 2007 | 16 |
| 2006 | 31 |
| 2005 | 25 |
| 2004 | 12 |
| 2003 | 7 |
| 2002 | 8 |
| 2001 | 4 |
| 2000 | 8 |
| 1999 | 11 |
| 1998 | 6 |
| 1997 | 8 |
| 1996 | 14 |
| 1995 | 11 |
| 1994 | 14 |
| 1993 | 13 |
| 1992 | 6 |
| 1991 | 2 |
| 1990 | 3 |