| 年份 | 申请发明专利数量 |
|---|---|
| 2024 | — |
| 2023 | — |
| 2022 | 3231 |
| 2021 | 6098 |
| 2020 | 9341 |
| 2019 | 6915 |
| 2018 | 8020 |
| 2017 | 5354 |
| 2016 | 3605 |
| 2015 | 2344 |
| 2014 | 1909 |
| 2013 | 1976 |
| 2012 | 1589 |
| 2011 | 1236 |
| 2010 | 648 |
| 2009 | 562 |
| 2008 | 499 |
| 2007 | 377 |
| 2006 | 357 |
| 2005 | 641 |
| 2004 | 198 |
| 2003 | 133 |
| 2002 | 97 |
| 2001 | 53 |
| 2000 | 40 |
| 1999 | 38 |
| 1998 | 30 |
| 1997 | 34 |
| 1996 | 37 |
| 1995 | 16 |
| 1994 | 21 |
| 1993 | 32 |
| 1992 | 31 |
| 1991 | 17 |
| 1990 | 12 |