| 年份 | 申请发明专利数量 |
|---|---|
| 2024 | — |
| 2023 | — |
| 2022 | 644 |
| 2021 | 726 |
| 2020 | 1569 |
| 2019 | 1577 |
| 2018 | 1804 |
| 2017 | 1760 |
| 2016 | 1221 |
| 2015 | 712 |
| 2014 | 486 |
| 2013 | 397 |
| 2012 | 170 |
| 2011 | 124 |
| 2010 | 85 |
| 2009 | 69 |
| 2008 | 64 |
| 2007 | 60 |
| 2006 | 69 |
| 2005 | 55 |
| 2004 | 73 |
| 2003 | 49 |
| 2002 | 46 |
| 2001 | 33 |
| 2000 | 25 |
| 1999 | 17 |
| 1998 | 9 |
| 1997 | 8 |
| 1996 | 6 |
| 1995 | 5 |
| 1994 | 6 |
| 1993 | 7 |
| 1992 | 5 |
| 1991 | 4 |
| 1990 | 7 |