| 年份 | 申请发明专利数量 |
|---|---|
| 2024 | — |
| 2023 | — |
| 2022 | 409 |
| 2021 | 638 |
| 2020 | 643 |
| 2019 | 504 |
| 2018 | 541 |
| 2017 | 379 |
| 2016 | 355 |
| 2015 | 357 |
| 2014 | 333 |
| 2013 | 237 |
| 2012 | 192 |
| 2011 | 154 |
| 2010 | 124 |
| 2009 | 112 |
| 2008 | 95 |
| 2007 | 70 |
| 2006 | 53 |
| 2005 | 37 |
| 2004 | 33 |
| 2003 | 39 |
| 2002 | 58 |
| 2001 | 52 |
| 2000 | 40 |
| 1999 | 43 |
| 1998 | 21 |
| 1997 | 36 |
| 1996 | 16 |
| 1995 | 24 |
| 1994 | 28 |
| 1993 | 18 |
| 1992 | 18 |
| 1991 | 10 |
| 1990 | 14 |