| 年份 | 申请发明专利数量 |
|---|---|
| 2024 | — |
| 2023 | — |
| 2022 | 1552 |
| 2021 | 2232 |
| 2020 | 1946 |
| 2019 | 1962 |
| 2018 | 1772 |
| 2017 | 1682 |
| 2016 | 1620 |
| 2015 | 1348 |
| 2014 | 1039 |
| 2013 | 963 |
| 2012 | 684 |
| 2011 | 515 |
| 2010 | 441 |
| 2009 | 312 |
| 2008 | 181 |
| 2007 | 196 |
| 2006 | 140 |
| 2005 | 126 |
| 2004 | 100 |
| 2003 | 100 |
| 2002 | 74 |
| 2001 | 64 |
| 2000 | 58 |
| 1999 | 55 |
| 1998 | 86 |
| 1997 | 74 |
| 1996 | 59 |
| 1995 | 41 |
| 1994 | 42 |
| 1993 | 47 |
| 1992 | 23 |
| 1991 | 28 |
| 1990 | 9 |