| 年份 | 申请发明专利数量 |
|---|---|
| 2024 | — |
| 2023 | — |
| 2022 | 349 |
| 2021 | 495 |
| 2020 | 481 |
| 2019 | 396 |
| 2018 | 469 |
| 2017 | 297 |
| 2016 | 547 |
| 2015 | 367 |
| 2014 | 269 |
| 2013 | 266 |
| 2012 | 202 |
| 2011 | 122 |
| 2010 | 84 |
| 2009 | 171 |
| 2008 | 77 |
| 2007 | 79 |
| 2006 | 71 |
| 2005 | 54 |
| 2004 | 34 |
| 2003 | 24 |
| 2002 | 9 |
| 2001 | 12 |
| 2000 | 17 |
| 1999 | 25 |
| 1998 | 20 |
| 1997 | 29 |
| 1996 | 39 |
| 1995 | 32 |
| 1994 | 42 |
| 1993 | 36 |
| 1992 | 39 |
| 1991 | 21 |
| 1990 | 18 |