| 年份 | 申请发明专利数量 |
|---|---|
| 2024 | — |
| 2023 | — |
| 2022 | 319 |
| 2021 | 558 |
| 2020 | 533 |
| 2019 | 405 |
| 2018 | 470 |
| 2017 | 522 |
| 2016 | 565 |
| 2015 | 507 |
| 2014 | 268 |
| 2013 | 182 |
| 2012 | 134 |
| 2011 | 103 |
| 2010 | 49 |
| 2009 | 50 |
| 2008 | 51 |
| 2007 | 43 |
| 2006 | 41 |
| 2005 | 26 |
| 2004 | 47 |
| 2003 | 31 |
| 2002 | 11 |
| 2001 | 21 |
| 2000 | 30 |
| 1999 | 16 |
| 1998 | 10 |
| 1997 | 10 |
| 1996 | 15 |
| 1995 | 14 |
| 1994 | 11 |
| 1993 | 14 |
| 1992 | 9 |
| 1991 | 9 |
| 1990 | 5 |