分面浏览：发表日期 |
| 当前检索式 | ((ALL：保护技术)) |
| 限定条件 | 无 |
| 2025 2 | 2024 32 | 2023 28 |
| 2022 67 | 2021 129 | 2020 175 |
| 2019 333 | 2018 720 | 2017 757 |
| 2016 932 | 2015 961 | 2014 900 |
| 2013 811 | 2012 1169 | 2011 842 |
| 2010 1250 | 2009 856 | 2008 824 |
| 2007 617 | 2006 562 | 2005 531 |
| 2004 403 | 2003 349 | 2002 295 |
| 2001 221 | 2000 171 | 1999 147 |
| 1998 141 | 1997 86 | 1996 83 |
| 1995 63 | 1994 45 | 1993 39 |
| 1992 37 | 1991 28 | 1990 38 |
| 1989 42 | 1988 16 | 1987 28 |
| 1986 26 | 1985 10 | 1984 16 |
| 1983 12 | 1982 9 | 1981 11 |
| 1980 5 | 1979 6 | 1978 4 |
| 1976 1 | 1975 1 | 1974 1 |
| 1966 2 | 1957 1 |
