| 年份 | 申请发明专利数量 |
|---|---|
| 2024 | — |
| 2023 | — |
| 2022 | 5929 |
| 2021 | 6987 |
| 2020 | 7073 |
| 2019 | 6085 |
| 2018 | 7084 |
| 2017 | 5848 |
| 2016 | 6231 |
| 2015 | 4902 |
| 2014 | 3345 |
| 2013 | 2942 |
| 2012 | 1704 |
| 2011 | 969 |
| 2010 | 541 |
| 2009 | 439 |
| 2008 | 466 |
| 2007 | 309 |
| 2006 | 399 |
| 2005 | 247 |
| 2004 | 141 |
| 2003 | 95 |
| 2002 | 76 |
| 2001 | 64 |
| 2000 | 69 |
| 1999 | 59 |
| 1998 | 38 |
| 1997 | 38 |
| 1996 | 44 |
| 1995 | 34 |
| 1994 | 57 |
| 1993 | 31 |
| 1992 | 32 |
| 1991 | 17 |
| 1990 | 26 |