| 年份 | 申请发明专利数量 |
|---|---|
| 2024 | — |
| 2023 | — |
| 2022 | 215 |
| 2021 | 684 |
| 2020 | 395 |
| 2019 | 420 |
| 2018 | 580 |
| 2017 | 513 |
| 2016 | 268 |
| 2015 | 279 |
| 2014 | 136 |
| 2013 | 119 |
| 2012 | 72 |
| 2011 | 54 |
| 2010 | 57 |
| 2009 | 35 |
| 2008 | 17 |
| 2007 | 21 |
| 2006 | 9 |
| 2005 | 5 |
| 2004 | 9 |
| 2003 | 12 |
| 2002 | 18 |
| 2001 | 17 |
| 2000 | 11 |
| 1999 | 9 |
| 1998 | 18 |
| 1997 | 17 |
| 1996 | 10 |
| 1995 | 12 |
| 1994 | 11 |
| 1993 | 11 |
| 1992 | 5 |
| 1991 | 3 |
| 1990 | 4 |