| 年份 | 申请发明专利数量 |
|---|---|
| 2024 | — |
| 2023 | — |
| 2022 | 151 |
| 2021 | 270 |
| 2020 | 242 |
| 2019 | 139 |
| 2018 | 124 |
| 2017 | 185 |
| 2016 | 189 |
| 2015 | 140 |
| 2014 | 102 |
| 2013 | 179 |
| 2012 | 76 |
| 2011 | 60 |
| 2010 | 72 |
| 2009 | 44 |
| 2008 | 56 |
| 2007 | 39 |
| 2006 | 44 |
| 2005 | 19 |
| 2004 | 9 |
| 2003 | 22 |
| 2002 | 21 |
| 2001 | 11 |
| 2000 | 10 |
| 1999 | 12 |
| 1998 | 6 |
| 1997 | 11 |
| 1996 | 6 |
| 1995 | 14 |
| 1994 | 10 |
| 1993 | 15 |
| 1992 | 7 |
| 1991 | 11 |
| 1990 | 2 |