| 年份 | 申请发明专利数量 |
|---|---|
| 2024 | — |
| 2023 | — |
| 2022 | 956 |
| 2021 | 1177 |
| 2020 | 1213 |
| 2019 | 949 |
| 2018 | 926 |
| 2017 | 547 |
| 2016 | 679 |
| 2015 | 498 |
| 2014 | 314 |
| 2013 | 268 |
| 2012 | 190 |
| 2011 | 142 |
| 2010 | 102 |
| 2009 | 131 |
| 2008 | 98 |
| 2007 | 72 |
| 2006 | 62 |
| 2005 | 62 |
| 2004 | 37 |
| 2003 | 59 |
| 2002 | 58 |
| 2001 | 31 |
| 2000 | 44 |
| 1999 | 42 |
| 1998 | 35 |
| 1997 | 36 |
| 1996 | 53 |
| 1995 | 33 |
| 1994 | 23 |
| 1993 | 21 |
| 1992 | 28 |
| 1991 | 20 |
| 1990 | 8 |