| 年份 | 申请发明专利数量 |
|---|---|
| 2024 | — |
| 2023 | — |
| 2022 | 442 |
| 2021 | 984 |
| 2020 | 886 |
| 2019 | 815 |
| 2018 | 647 |
| 2017 | 540 |
| 2016 | 148 |
| 2015 | 131 |
| 2014 | 155 |
| 2013 | 102 |
| 2012 | 74 |
| 2011 | 93 |
| 2010 | 65 |
| 2009 | 47 |
| 2008 | 28 |
| 2007 | 31 |
| 2006 | 19 |
| 2005 | 28 |
| 2004 | 12 |
| 2003 | 14 |
| 2002 | 12 |
| 2001 | 7 |
| 2000 | 11 |
| 1999 | 8 |
| 1998 | 8 |
| 1997 | 5 |
| 1996 | 4 |
| 1995 | 4 |
| 1994 | 10 |
| 1993 | 13 |
| 1992 | 5 |
| 1991 | 2 |
| 1990 | 4 |
