| 年份 | 申请发明专利数量 |
|---|---|
| 2024 | — |
| 2023 | — |
| 2022 | 13773 |
| 2021 | 19832 |
| 2020 | 22387 |
| 2019 | 23378 |
| 2018 | 24623 |
| 2017 | 24922 |
| 2016 | 30803 |
| 2015 | 25669 |
| 2014 | 20593 |
| 2013 | 18892 |
| 2012 | 11590 |
| 2011 | 8279 |
| 2010 | 5991 |
| 2009 | 5153 |
| 2008 | 4089 |
| 2007 | 3763 |
| 2006 | 3547 |
| 2005 | 3653 |
| 2004 | 3256 |
| 2003 | 2716 |
| 2002 | 1673 |
| 2001 | 743 |
| 2000 | 448 |
| 1999 | 216 |
| 1998 | 181 |
| 1997 | 229 |
| 1996 | 250 |
| 1995 | 215 |
| 1994 | 243 |
| 1993 | 250 |
| 1992 | 232 |
| 1991 | 210 |
| 1990 | 123 |