| 年份 | 申请发明专利数量 |
|---|---|
| 2024 | — |
| 2023 | — |
| 2022 | 275 |
| 2021 | 347 |
| 2020 | 481 |
| 2019 | 266 |
| 2018 | 566 |
| 2017 | 427 |
| 2016 | 318 |
| 2015 | 205 |
| 2014 | 226 |
| 2013 | 349 |
| 2012 | 224 |
| 2011 | 228 |
| 2010 | 76 |
| 2009 | 78 |
| 2008 | 64 |
| 2007 | 49 |
| 2006 | 23 |
| 2005 | 24 |
| 2004 | 15 |
| 2003 | 14 |
| 2002 | 4 |
| 2001 | 15 |
| 2000 | 23 |
| 1999 | 9 |
| 1998 | 13 |
| 1997 | 5 |
| 1996 | 4 |
| 1995 | 6 |
| 1994 | 6 |
| 1993 | 7 |
| 1992 | 4 |
| 1991 | 2 |
| 1990 | 0 |