| 年份 | 申请发明专利数量 |
|---|---|
| 2024 | — |
| 2023 | — |
| 2022 | 150 |
| 2021 | 295 |
| 2020 | 302 |
| 2019 | 331 |
| 2018 | 289 |
| 2017 | 267 |
| 2016 | 198 |
| 2015 | 142 |
| 2014 | 126 |
| 2013 | 166 |
| 2012 | 161 |
| 2011 | 107 |
| 2010 | 89 |
| 2009 | 74 |
| 2008 | 54 |
| 2007 | 71 |
| 2006 | 68 |
| 2005 | 41 |
| 2004 | 31 |
| 2003 | 38 |
| 2002 | 28 |
| 2001 | 11 |
| 2000 | 14 |
| 1999 | 14 |
| 1998 | 12 |
| 1997 | 4 |
| 1996 | 14 |
| 1995 | 7 |
| 1994 | 10 |
| 1993 | 16 |
| 1992 | 8 |
| 1991 | 3 |
| 1990 | 4 |