| 年份 | 申请发明专利数量 |
|---|---|
| 2024 | — |
| 2023 | — |
| 2022 | 1588 |
| 2021 | 2298 |
| 2020 | 1997 |
| 2019 | 1995 |
| 2018 | 3021 |
| 2017 | 3811 |
| 2016 | 3857 |
| 2015 | 2074 |
| 2014 | 2000 |
| 2013 | 1299 |
| 2012 | 891 |
| 2011 | 453 |
| 2010 | 403 |
| 2009 | 428 |
| 2008 | 379 |
| 2007 | 192 |
| 2006 | 141 |
| 2005 | 84 |
| 2004 | 40 |
| 2003 | 40 |
| 2002 | 34 |
| 2001 | 19 |
| 2000 | 27 |
| 1999 | 19 |
| 1998 | 13 |
| 1997 | 14 |
| 1996 | 7 |
| 1995 | 11 |
| 1994 | 15 |
| 1993 | 23 |
| 1992 | 17 |
| 1991 | 16 |
| 1990 | 10 |