| 年份 | 申请发明专利数量 |
|---|---|
| 2024 | — |
| 2023 | — |
| 2022 | 375 |
| 2021 | 462 |
| 2020 | 424 |
| 2019 | 256 |
| 2018 | 645 |
| 2017 | 515 |
| 2016 | 251 |
| 2015 | 252 |
| 2014 | 316 |
| 2013 | 314 |
| 2012 | 562 |
| 2011 | 208 |
| 2010 | 68 |
| 2009 | 124 |
| 2008 | 125 |
| 2007 | 99 |
| 2006 | 51 |
| 2005 | 40 |
| 2004 | 22 |
| 2003 | 24 |
| 2002 | 13 |
| 2001 | 25 |
| 2000 | 11 |
| 1999 | 20 |
| 1998 | 15 |
| 1997 | 9 |
| 1996 | 11 |
| 1995 | 18 |
| 1994 | 23 |
| 1993 | 18 |
| 1992 | 7 |
| 1991 | 8 |
| 1990 | 5 |