| 年份 | 申请发明专利数量 |
|---|---|
| 2024 | — |
| 2023 | — |
| 2022 | 1509 |
| 2021 | 2125 |
| 2020 | 2302 |
| 2019 | 1754 |
| 2018 | 3867 |
| 2017 | 2646 |
| 2016 | 2510 |
| 2015 | 2300 |
| 2014 | 2312 |
| 2013 | 1406 |
| 2012 | 846 |
| 2011 | 182 |
| 2010 | 106 |
| 2009 | 80 |
| 2008 | 39 |
| 2007 | 36 |
| 2006 | 37 |
| 2005 | 16 |
| 2004 | 9 |
| 2003 | 23 |
| 2002 | 6 |
| 2001 | 4 |
| 2000 | 6 |
| 1999 | 5 |
| 1998 | 3 |
| 1997 | 4 |
| 1996 | 3 |
| 1995 | 2 |
| 1994 | 0 |
| 1993 | 3 |
| 1992 | 4 |
| 1991 | 1 |
| 1990 | 0 |