| 年份 | 申请发明专利数量 |
|---|---|
| 2024 | — |
| 2023 | — |
| 2022 | 983 |
| 2021 | 1119 |
| 2020 | 1136 |
| 2019 | 995 |
| 2018 | 1031 |
| 2017 | 776 |
| 2016 | 697 |
| 2015 | 636 |
| 2014 | 536 |
| 2013 | 570 |
| 2012 | 345 |
| 2011 | 249 |
| 2010 | 121 |
| 2009 | 123 |
| 2008 | 102 |
| 2007 | 109 |
| 2006 | 74 |
| 2005 | 76 |
| 2004 | 44 |
| 2003 | 34 |
| 2002 | 45 |
| 2001 | 37 |
| 2000 | 34 |
| 1999 | 16 |
| 1998 | 17 |
| 1997 | 26 |
| 1996 | 31 |
| 1995 | 16 |
| 1994 | 26 |
| 1993 | 24 |
| 1992 | 27 |
| 1991 | 36 |
| 1990 | 14 |