| 年份 | 申请发明专利数量 |
|---|---|
| 2024 | — |
| 2023 | — |
| 2022 | 663 |
| 2021 | 1206 |
| 2020 | 958 |
| 2019 | 855 |
| 2018 | 827 |
| 2017 | 408 |
| 2016 | 358 |
| 2015 | 452 |
| 2014 | 290 |
| 2013 | 240 |
| 2012 | 142 |
| 2011 | 141 |
| 2010 | 66 |
| 2009 | 62 |
| 2008 | 33 |
| 2007 | 19 |
| 2006 | 37 |
| 2005 | 20 |
| 2004 | 17 |
| 2003 | 9 |
| 2002 | 7 |
| 2001 | 4 |
| 2000 | 9 |
| 1999 | 14 |
| 1998 | 5 |
| 1997 | 16 |
| 1996 | 22 |
| 1995 | 19 |
| 1994 | 7 |
| 1993 | 10 |
| 1992 | 4 |
| 1991 | 4 |
| 1990 | 2 |