| 年份 | 申请发明专利数量 |
|---|---|
| 2024 | — |
| 2023 | — |
| 2022 | 230 |
| 2021 | 429 |
| 2020 | 515 |
| 2019 | 465 |
| 2018 | 516 |
| 2017 | 578 |
| 2016 | 416 |
| 2015 | 243 |
| 2014 | 231 |
| 2013 | 160 |
| 2012 | 154 |
| 2011 | 96 |
| 2010 | 71 |
| 2009 | 71 |
| 2008 | 60 |
| 2007 | 61 |
| 2006 | 65 |
| 2005 | 38 |
| 2004 | 31 |
| 2003 | 39 |
| 2002 | 39 |
| 2001 | 24 |
| 2000 | 18 |
| 1999 | 23 |
| 1998 | 27 |
| 1997 | 27 |
| 1996 | 8 |
| 1995 | 14 |
| 1994 | 14 |
| 1993 | 6 |
| 1992 | 11 |
| 1991 | 12 |
| 1990 | 8 |