| 年份 | 申请发明专利数量 |
|---|---|
| 2024 | — |
| 2023 | — |
| 2022 | 519 |
| 2021 | 686 |
| 2020 | 688 |
| 2019 | 565 |
| 2018 | 525 |
| 2017 | 653 |
| 2016 | 360 |
| 2015 | 207 |
| 2014 | 254 |
| 2013 | 153 |
| 2012 | 93 |
| 2011 | 88 |
| 2010 | 70 |
| 2009 | 50 |
| 2008 | 35 |
| 2007 | 32 |
| 2006 | 28 |
| 2005 | 19 |
| 2004 | 11 |
| 2003 | 6 |
| 2002 | 21 |
| 2001 | 14 |
| 2000 | 11 |
| 1999 | 8 |
| 1998 | 9 |
| 1997 | 7 |
| 1996 | 7 |
| 1995 | 11 |
| 1994 | 8 |
| 1993 | 5 |
| 1992 | 6 |
| 1991 | 5 |
| 1990 | 0 |