| 年份 | 申请发明专利数量 |
|---|---|
| 2024 | — |
| 2023 | — |
| 2022 | 6927 |
| 2021 | 10171 |
| 2020 | 10416 |
| 2019 | 9035 |
| 2018 | 8171 |
| 2017 | 6193 |
| 2016 | 5148 |
| 2015 | 3979 |
| 2014 | 3532 |
| 2013 | 2718 |
| 2012 | 2190 |
| 2011 | 1622 |
| 2010 | 1202 |
| 2009 | 1078 |
| 2008 | 724 |
| 2007 | 535 |
| 2006 | 405 |
| 2005 | 343 |
| 2004 | 255 |
| 2003 | 197 |
| 2002 | 120 |
| 2001 | 77 |
| 2000 | 54 |
| 1999 | 33 |
| 1998 | 30 |
| 1997 | 36 |
| 1996 | 30 |
| 1995 | 22 |
| 1994 | 23 |
| 1993 | 19 |
| 1992 | 21 |
| 1991 | 6 |
| 1990 | 7 |