| 年份 | 申请发明专利数量 |
|---|---|
| 2024 | — |
| 2023 | — |
| 2022 | 11312 |
| 2021 | 18796 |
| 2020 | 21918 |
| 2019 | 21340 |
| 2018 | 24607 |
| 2017 | 22343 |
| 2016 | 16539 |
| 2015 | 10618 |
| 2014 | 6783 |
| 2013 | 5596 |
| 2012 | 4992 |
| 2011 | 2231 |
| 2010 | 3595 |
| 2009 | 1368 |
| 2008 | 947 |
| 2007 | 672 |
| 2006 | 431 |
| 2005 | 226 |
| 2004 | 136 |
| 2003 | 61 |
| 2002 | 61 |
| 2001 | 65 |
| 2000 | 29 |
| 1999 | 14 |
| 1998 | 18 |
| 1997 | 10 |
| 1996 | 12 |
| 1995 | 5 |
| 1994 | 8 |
| 1993 | 15 |
| 1992 | 5 |
| 1991 | 2 |
| 1990 | 2 |