| 年份 | 申请发明专利数量 |
|---|---|
| 2024 | — |
| 2023 | — |
| 2022 | 3509 |
| 2021 | 4551 |
| 2020 | 6148 |
| 2019 | 5530 |
| 2018 | 9649 |
| 2017 | 9975 |
| 2016 | 6267 |
| 2015 | 4477 |
| 2014 | 4303 |
| 2013 | 2766 |
| 2012 | 3225 |
| 2011 | 1731 |
| 2010 | 948 |
| 2009 | 749 |
| 2008 | 571 |
| 2007 | 466 |
| 2006 | 314 |
| 2005 | 151 |
| 2004 | 100 |
| 2003 | 108 |
| 2002 | 68 |
| 2001 | 38 |
| 2000 | 48 |
| 1999 | 26 |
| 1998 | 18 |
| 1997 | 11 |
| 1996 | 13 |
| 1995 | 19 |
| 1994 | 11 |
| 1993 | 23 |
| 1992 | 12 |
| 1991 | 13 |
| 1990 | 10 |