| 年份 | 申请发明专利数量 |
|---|---|
| 2024 | — |
| 2023 | — |
| 2022 | 4931 |
| 2021 | 7393 |
| 2020 | 7496 |
| 2019 | 7217 |
| 2018 | 11387 |
| 2017 | 14706 |
| 2016 | 10993 |
| 2015 | 8430 |
| 2014 | 7623 |
| 2013 | 7721 |
| 2012 | 4771 |
| 2011 | 2372 |
| 2010 | 1538 |
| 2009 | 1148 |
| 2008 | 861 |
| 2007 | 424 |
| 2006 | 372 |
| 2005 | 166 |
| 2004 | 85 |
| 2003 | 54 |
| 2002 | 31 |
| 2001 | 26 |
| 2000 | 14 |
| 1999 | 20 |
| 1998 | 12 |
| 1997 | 14 |
| 1996 | 12 |
| 1995 | 9 |
| 1994 | 11 |
| 1993 | 7 |
| 1992 | 11 |
| 1991 | 9 |
| 1990 | 5 |