| 年份 | 申请发明专利数量 |
|---|---|
| 2024 | — |
| 2023 | — |
| 2022 | 2954 |
| 2021 | 4806 |
| 2020 | 5123 |
| 2019 | 4793 |
| 2018 | 4735 |
| 2017 | 7638 |
| 2016 | 5876 |
| 2015 | 4395 |
| 2014 | 3147 |
| 2013 | 2175 |
| 2012 | 1435 |
| 2011 | 1033 |
| 2010 | 690 |
| 2009 | 329 |
| 2008 | 205 |
| 2007 | 90 |
| 2006 | 38 |
| 2005 | 208 |
| 2004 | 143 |
| 2003 | 67 |
| 2002 | 30 |
| 2001 | 15 |
| 2000 | 30 |
| 1999 | 13 |
| 1998 | 6 |
| 1997 | 10 |
| 1996 | 7 |
| 1995 | 7 |
| 1994 | 10 |
| 1993 | 7 |
| 1992 | 4 |
| 1991 | 5 |
| 1990 | 2 |