| 年份 | 申请发明专利数量 |
|---|---|
| 2024 | — |
| 2023 | — |
| 2022 | 769 |
| 2021 | 1242 |
| 2020 | 1580 |
| 2019 | 1278 |
| 2018 | 1153 |
| 2017 | 1159 |
| 2016 | 1100 |
| 2015 | 1034 |
| 2014 | 942 |
| 2013 | 779 |
| 2012 | 715 |
| 2011 | 602 |
| 2010 | 516 |
| 2009 | 508 |
| 2008 | 580 |
| 2007 | 421 |
| 2006 | 277 |
| 2005 | 162 |
| 2004 | 137 |
| 2003 | 97 |
| 2002 | 127 |
| 2001 | 89 |
| 2000 | 103 |
| 1999 | 47 |
| 1998 | 87 |
| 1997 | 50 |
| 1996 | 68 |
| 1995 | 59 |
| 1994 | 65 |
| 1993 | 96 |
| 1992 | 103 |
| 1991 | 48 |
| 1990 | 50 |