| 年份 | 申请发明专利数量 |
|---|---|
| 2024 | — |
| 2023 | — |
| 2022 | 760 |
| 2021 | 789 |
| 2020 | 612 |
| 2019 | 614 |
| 2018 | 665 |
| 2017 | 394 |
| 2016 | 280 |
| 2015 | 201 |
| 2014 | 224 |
| 2013 | 191 |
| 2012 | 137 |
| 2011 | 96 |
| 2010 | 86 |
| 2009 | 65 |
| 2008 | 42 |
| 2007 | 47 |
| 2006 | 40 |
| 2005 | 25 |
| 2004 | 34 |
| 2003 | 17 |
| 2002 | 24 |
| 2001 | 16 |
| 2000 | 23 |
| 1999 | 19 |
| 1998 | 7 |
| 1997 | 9 |
| 1996 | 8 |
| 1995 | 14 |
| 1994 | 21 |
| 1993 | 23 |
| 1992 | 19 |
| 1991 | 9 |
| 1990 | 2 |