| 年份 | 申请发明专利数量 |
|---|---|
| 2024 | — |
| 2023 | — |
| 2022 | 1230 |
| 2021 | 1782 |
| 2020 | 1989 |
| 2019 | 1414 |
| 2018 | 1669 |
| 2017 | 1085 |
| 2016 | 971 |
| 2015 | 963 |
| 2014 | 686 |
| 2013 | 669 |
| 2012 | 510 |
| 2011 | 319 |
| 2010 | 250 |
| 2009 | 246 |
| 2008 | 139 |
| 2007 | 101 |
| 2006 | 121 |
| 2005 | 82 |
| 2004 | 58 |
| 2003 | 76 |
| 2002 | 59 |
| 2001 | 57 |
| 2000 | 61 |
| 1999 | 63 |
| 1998 | 53 |
| 1997 | 71 |
| 1996 | 62 |
| 1995 | 41 |
| 1994 | 50 |
| 1993 | 40 |
| 1992 | 35 |
| 1991 | 23 |
| 1990 | 10 |