| 年份 | 申请发明专利数量 |
|---|---|
| 2024 | — |
| 2023 | — |
| 2022 | 3321 |
| 2021 | 3995 |
| 2020 | 3814 |
| 2019 | 4120 |
| 2018 | 3407 |
| 2017 | 2702 |
| 2016 | 2341 |
| 2015 | 2215 |
| 2014 | 1911 |
| 2013 | 1566 |
| 2012 | 1285 |
| 2011 | 999 |
| 2010 | 731 |
| 2009 | 648 |
| 2008 | 515 |
| 2007 | 427 |
| 2006 | 291 |
| 2005 | 370 |
| 2004 | 240 |
| 2003 | 199 |
| 2002 | 128 |
| 2001 | 133 |
| 2000 | 130 |
| 1999 | 81 |
| 1998 | 90 |
| 1997 | 77 |
| 1996 | 100 |
| 1995 | 69 |
| 1994 | 71 |
| 1993 | 82 |
| 1992 | 73 |
| 1991 | 50 |
| 1990 | 34 |
