| 年份 | 申请发明专利数量 |
|---|---|
| 2024 | — |
| 2023 | — |
| 2022 | 2036 |
| 2021 | 3409 |
| 2020 | 5492 |
| 2019 | 3509 |
| 2018 | 6271 |
| 2017 | 6193 |
| 2016 | 4225 |
| 2015 | 3324 |
| 2014 | 2108 |
| 2013 | 1420 |
| 2012 | 433 |
| 2011 | 249 |
| 2010 | 193 |
| 2009 | 80 |
| 2008 | 39 |
| 2007 | 44 |
| 2006 | 36 |
| 2005 | 25 |
| 2004 | 17 |
| 2003 | 16 |
| 2002 | 5 |
| 2001 | 23 |
| 2000 | 15 |
| 1999 | 14 |
| 1998 | 9 |
| 1997 | 12 |
| 1996 | 22 |
| 1995 | 11 |
| 1994 | 11 |
| 1993 | 6 |
| 1992 | 3 |
| 1991 | 5 |
| 1990 | 3 |