| 年份 | 申请发明专利数量 |
|---|---|
| 2024 | — |
| 2023 | — |
| 2022 | 415 |
| 2021 | 465 |
| 2020 | 2266 |
| 2019 | 613 |
| 2018 | 440 |
| 2017 | 332 |
| 2016 | 237 |
| 2015 | 270 |
| 2014 | 179 |
| 2013 | 132 |
| 2012 | 140 |
| 2011 | 126 |
| 2010 | 73 |
| 2009 | 66 |
| 2008 | 61 |
| 2007 | 56 |
| 2006 | 47 |
| 2005 | 37 |
| 2004 | 32 |
| 2003 | 17 |
| 2002 | 22 |
| 2001 | 20 |
| 2000 | 17 |
| 1999 | 23 |
| 1998 | 15 |
| 1997 | 18 |
| 1996 | 11 |
| 1995 | 18 |
| 1994 | 17 |
| 1993 | 27 |
| 1992 | 13 |
| 1991 | 2 |
| 1990 | 4 |