| 年份 | 申请发明专利数量 |
|---|---|
| 2024 | — |
| 2023 | — |
| 2022 | 118 |
| 2021 | 143 |
| 2020 | 176 |
| 2019 | 179 |
| 2018 | 227 |
| 2017 | 363 |
| 2016 | 280 |
| 2015 | 247 |
| 2014 | 198 |
| 2013 | 132 |
| 2012 | 133 |
| 2011 | 61 |
| 2010 | 38 |
| 2009 | 38 |
| 2008 | 41 |
| 2007 | 21 |
| 2006 | 19 |
| 2005 | 21 |
| 2004 | 20 |
| 2003 | 12 |
| 2002 | 14 |
| 2001 | 7 |
| 2000 | 13 |
| 1999 | 6 |
| 1998 | 10 |
| 1997 | 11 |
| 1996 | 5 |
| 1995 | 8 |
| 1994 | 6 |
| 1993 | 8 |
| 1992 | 3 |
| 1991 | 7 |
| 1990 | 2 |