| 年份 | 申请发明专利数量 |
|---|---|
| 2024 | — |
| 2023 | — |
| 2022 | 317 |
| 2021 | 494 |
| 2020 | 571 |
| 2019 | 370 |
| 2018 | 317 |
| 2017 | 338 |
| 2016 | 210 |
| 2015 | 297 |
| 2014 | 549 |
| 2013 | 537 |
| 2012 | 464 |
| 2011 | 457 |
| 2010 | 291 |
| 2009 | 250 |
| 2008 | 149 |
| 2007 | 54 |
| 2006 | 32 |
| 2005 | 15 |
| 2004 | 16 |
| 2003 | 10 |
| 2002 | 9 |
| 2001 | 11 |
| 2000 | 10 |
| 1999 | 6 |
| 1998 | 8 |
| 1997 | 8 |
| 1996 | 9 |
| 1995 | 4 |
| 1994 | 6 |
| 1993 | 6 |
| 1992 | 4 |
| 1991 | 3 |
| 1990 | 1 |