| 年份 | 发明专利授权数(件) |
|---|---|
| 2024 | 1122 |
| 2023 | 939 |
| 2022 | 627 |
| 2021 | 425 |
| 2020 | 365 |
| 2019 | 331 |
| 2018 | 408 |
| 2017 | 384 |
| 2016 | — |
| 2015 | — |
| 2014 | — |
| 2013 | — |
| 2012 | — |
| 2011 | — |
| 2010 | — |
| 2009 | — |
| 2008 | — |
| 2007 | — |
| 2006 | — |
| 2005 | — |
| 2004 | — |
| 2003 | — |
| 2002 | — |
| 2001 | — |
| 2000 | — |
| 1999 | — |
| 1998 | — |
| 1997 | — |
| 1996 | — |
| 1995 | — |
| 1994 | — |
| 1993 | — |
| 1992 | — |
| 1991 | — |
| 1990 | — |