| 年份 | 申请发明专利数量 |
|---|---|
| 2024 | — |
| 2023 | — |
| 2022 | 859 |
| 2021 | 1284 |
| 2020 | 1281 |
| 2019 | 986 |
| 2018 | 2314 |
| 2017 | 2352 |
| 2016 | 1978 |
| 2015 | 1076 |
| 2014 | 679 |
| 2013 | 575 |
| 2012 | 556 |
| 2011 | 257 |
| 2010 | 275 |
| 2009 | 208 |
| 2008 | 103 |
| 2007 | 85 |
| 2006 | 67 |
| 2005 | 58 |
| 2004 | 23 |
| 2003 | 36 |
| 2002 | 39 |
| 2001 | 42 |
| 2000 | 29 |
| 1999 | 31 |
| 1998 | 21 |
| 1997 | 24 |
| 1996 | 23 |
| 1995 | 12 |
| 1994 | 9 |
| 1993 | 17 |
| 1992 | 19 |
| 1991 | 2 |
| 1990 | 2 |
