| 年份 | 申请发明专利数量 |
|---|---|
| 2024 | — |
| 2023 | — |
| 2022 | 174 |
| 2021 | 296 |
| 2020 | 263 |
| 2019 | 210 |
| 2018 | 290 |
| 2017 | 415 |
| 2016 | 228 |
| 2015 | 258 |
| 2014 | 216 |
| 2013 | 248 |
| 2012 | 202 |
| 2011 | 136 |
| 2010 | 108 |
| 2009 | 127 |
| 2008 | 46 |
| 2007 | 33 |
| 2006 | 30 |
| 2005 | 15 |
| 2004 | 21 |
| 2003 | 17 |
| 2002 | 6 |
| 2001 | 6 |
| 2000 | 6 |
| 1999 | 6 |
| 1998 | 3 |
| 1997 | 1 |
| 1996 | 3 |
| 1995 | 5 |
| 1994 | 1 |
| 1993 | 8 |
| 1992 | 3 |
| 1991 | 3 |
| 1990 | 1 |