| 年份 | 申请发明专利数量 |
|---|---|
| 2024 | — |
| 2023 | — |
| 2022 | 2757 |
| 2021 | 3554 |
| 2020 | 4744 |
| 2019 | 3462 |
| 2018 | 3871 |
| 2017 | 5175 |
| 2016 | 3998 |
| 2015 | 3093 |
| 2014 | 2258 |
| 2013 | 1949 |
| 2012 | 1206 |
| 2011 | 1281 |
| 2010 | 994 |
| 2009 | 660 |
| 2008 | 555 |
| 2007 | 396 |
| 2006 | 655 |
| 2005 | 264 |
| 2004 | 140 |
| 2003 | 158 |
| 2002 | 141 |
| 2001 | 157 |
| 2000 | 125 |
| 1999 | 99 |
| 1998 | 81 |
| 1997 | 101 |
| 1996 | 85 |
| 1995 | 74 |
| 1994 | 69 |
| 1993 | 82 |
| 1992 | 43 |
| 1991 | 49 |
| 1990 | 32 |