| 年份 | 申请发明专利数量 |
|---|---|
| 2024 | — |
| 2023 | — |
| 2022 | 746 |
| 2021 | 883 |
| 2020 | 2008 |
| 2019 | 814 |
| 2018 | 838 |
| 2017 | 580 |
| 2016 | 523 |
| 2015 | 388 |
| 2014 | 317 |
| 2013 | 312 |
| 2012 | 237 |
| 2011 | 233 |
| 2010 | 181 |
| 2009 | 122 |
| 2008 | 87 |
| 2007 | 69 |
| 2006 | 54 |
| 2005 | 71 |
| 2004 | 42 |
| 2003 | 50 |
| 2002 | 74 |
| 2001 | 78 |
| 2000 | 69 |
| 1999 | 41 |
| 1998 | 32 |
| 1997 | 33 |
| 1996 | 25 |
| 1995 | 19 |
| 1994 | 17 |
| 1993 | 14 |
| 1992 | 11 |
| 1991 | 19 |
| 1990 | 15 |