| 年份 | 申请发明专利数量 |
|---|---|
| 2024 | — |
| 2023 | — |
| 2022 | 81 |
| 2021 | 110 |
| 2020 | 417 |
| 2019 | 344 |
| 2018 | 289 |
| 2017 | 204 |
| 2016 | 138 |
| 2015 | 149 |
| 2014 | 125 |
| 2013 | 95 |
| 2012 | 58 |
| 2011 | 40 |
| 2010 | 43 |
| 2009 | 31 |
| 2008 | 12 |
| 2007 | 19 |
| 2006 | 13 |
| 2005 | 9 |
| 2004 | 11 |
| 2003 | 9 |
| 2002 | 11 |
| 2001 | 10 |
| 2000 | 9 |
| 1999 | 12 |
| 1998 | 8 |
| 1997 | 16 |
| 1996 | 14 |
| 1995 | 5 |
| 1994 | 1 |
| 1993 | 2 |
| 1992 | 6 |
| 1991 | 5 |
| 1990 | 2 |