| 年份 | 申请发明专利数量 |
|---|---|
| 2024 | — |
| 2023 | — |
| 2022 | 218 |
| 2021 | 373 |
| 2020 | 473 |
| 2019 | 346 |
| 2018 | 224 |
| 2017 | 164 |
| 2016 | 104 |
| 2015 | 117 |
| 2014 | 61 |
| 2013 | 59 |
| 2012 | 61 |
| 2011 | 51 |
| 2010 | 38 |
| 2009 | 47 |
| 2008 | 47 |
| 2007 | 25 |
| 2006 | 23 |
| 2005 | 22 |
| 2004 | 8 |
| 2003 | 7 |
| 2002 | 9 |
| 2001 | 11 |
| 2000 | 15 |
| 1999 | 10 |
| 1998 | 10 |
| 1997 | 69 |
| 1996 | 25 |
| 1995 | 10 |
| 1994 | 1 |
| 1993 | 19 |
| 1992 | 11 |
| 1991 | 6 |
| 1990 | 3 |