| 年份 | 申请发明专利数量 |
|---|---|
| 2024 | — |
| 2023 | — |
| 2022 | 994 |
| 2021 | 2266 |
| 2020 | 5553 |
| 2019 | 2313 |
| 2018 | 1434 |
| 2017 | 1456 |
| 2016 | 778 |
| 2015 | 455 |
| 2014 | 519 |
| 2013 | 427 |
| 2012 | 306 |
| 2011 | 208 |
| 2010 | 136 |
| 2009 | 117 |
| 2008 | 91 |
| 2007 | 60 |
| 2006 | 79 |
| 2005 | 65 |
| 2004 | 37 |
| 2003 | 49 |
| 2002 | 39 |
| 2001 | 29 |
| 2000 | 28 |
| 1999 | 25 |
| 1998 | 25 |
| 1997 | 28 |
| 1996 | 26 |
| 1995 | 28 |
| 1994 | 38 |
| 1993 | 48 |
| 1992 | 43 |
| 1991 | 18 |
| 1990 | 17 |