| 年份 | 申请发明专利数量 |
|---|---|
| 2024 | — |
| 2023 | — |
| 2022 | 287 |
| 2021 | 384 |
| 2020 | 403 |
| 2019 | 428 |
| 2018 | 611 |
| 2017 | 749 |
| 2016 | 481 |
| 2015 | 334 |
| 2014 | 260 |
| 2013 | 224 |
| 2012 | 167 |
| 2011 | 127 |
| 2010 | 61 |
| 2009 | 76 |
| 2008 | 55 |
| 2007 | 65 |
| 2006 | 109 |
| 2005 | 20 |
| 2004 | 24 |
| 2003 | 29 |
| 2002 | 17 |
| 2001 | 13 |
| 2000 | 8 |
| 1999 | 6 |
| 1998 | 12 |
| 1997 | 5 |
| 1996 | 9 |
| 1995 | 12 |
| 1994 | 15 |
| 1993 | 10 |
| 1992 | 21 |
| 1991 | 11 |
| 1990 | 10 |