分面浏览：发表日期 |
| 当前检索式 | ((ALL：pH)) |
| 限定条件 | ((内容类型：专利)) |
| 2023 5 | 2022 5 | 2021 8 |
| 2020 14 | 2019 21 | 2018 41 |
| 2017 65 | 2016 72 | 2015 92 |
| 2014 84 | 2013 90 | 2012 54 |
| 2011 92 | 2010 67 | 2009 56 |
| 2008 41 | 2007 41 | 2006 32 |
| 2005 28 | 2004 12 | 2003 16 |
| 2002 21 | 2001 11 | 2000 7 |
| 1999 6 | 1998 10 | 1997 2 |
| 1996 6 | 1995 2 | 1994 3 |
| 1993 2 | 1992 1 | 1991 4 |
| 1990 2 | 1989 5 | 1988 6 |
| 1986 3 | 1985 2 | 1984 3 |
| 1983 1 | 1982 1 | 1979 1 |
| 1975 1 |
