分面浏览：发表日期 |
| 当前检索式 | ((ALL：Copper)) |
| 限定条件 | ((内容类型：专利)) |
| 2022 2 | 2021 1 | 2020 1 |
| 2019 4 | 2018 9 | 2017 5 |
| 2016 13 | 2015 35 | 2014 22 |
| 2013 12 | 2012 14 | 2011 10 |
| 2010 7 | 2009 12 | 2008 10 |
| 2007 1 | 2006 8 | 2005 9 |
| 2004 7 | 2003 3 | 2002 4 |
| 2001 9 | 2000 3 | 1999 4 |
| 1998 4 | 1997 1 | 1996 2 |
| 1995 3 | 1994 3 | 1993 1 |
| 1992 5 | 1991 9 | 1990 7 |
| 1989 5 | 1988 6 | 1987 8 |
| 1986 6 | 1985 7 | 1984 7 |
| 1983 4 | 1982 6 | 1981 5 |
| 1980 3 | 1979 2 | 1978 2 |
| 1977 3 | 1976 5 | 1975 2 |
| 1974 2 | 1973 1 | 1972 3 |
| 1970 1 | 1968 1 | 1967 4 |
| 1966 2 |
