| 年份 | 申请发明专利数量 |
|---|---|
| 2024 | — |
| 2023 | — |
| 2022 | 5349 |
| 2021 | 7136 |
| 2020 | 6520 |
| 2019 | 5579 |
| 2018 | 4663 |
| 2017 | 3695 |
| 2016 | 3154 |
| 2015 | 2517 |
| 2014 | 1876 |
| 2013 | 1504 |
| 2012 | 1206 |
| 2011 | 933 |
| 2010 | 723 |
| 2009 | 639 |
| 2008 | 556 |
| 2007 | 414 |
| 2006 | 334 |
| 2005 | 295 |
| 2004 | 230 |
| 2003 | 203 |
| 2002 | 166 |
| 2001 | 165 |
| 2000 | 122 |
| 1999 | 102 |
| 1998 | 95 |
| 1997 | 101 |
| 1996 | 94 |
| 1995 | 77 |
| 1994 | 79 |
| 1993 | 115 |
| 1992 | 87 |
| 1991 | 72 |
| 1990 | 72 |