| 年份 | 申请发明专利数量 |
|---|---|
| 2024 | — |
| 2023 | — |
| 2022 | 167 |
| 2021 | 277 |
| 2020 | 280 |
| 2019 | 217 |
| 2018 | 267 |
| 2017 | 228 |
| 2016 | 219 |
| 2015 | 160 |
| 2014 | 98 |
| 2013 | 121 |
| 2012 | 93 |
| 2011 | 15 |
| 2010 | 14 |
| 2009 | 3 |
| 2008 | 15 |
| 2007 | 2 |
| 2006 | 7 |
| 2005 | 6 |
| 2004 | 6 |
| 2003 | 11 |
| 2002 | 4 |
| 2001 | 9 |
| 2000 | 5 |
| 1999 | 6 |
| 1998 | 9 |
| 1997 | 5 |
| 1996 | 2 |
| 1995 | 1 |
| 1994 | 1 |
| 1993 | 5 |
| 1992 | 1 |
| 1991 | 1 |
| 1990 | 1 |