Riken Kōgaku Kōgyō K.K.
1967 - 1963
1967 - 1963
1964 - 1996
1950 - 2006
1904 - 1961
1946 - 1972
1955 - 1986
1948 - 1972
1958 - 1991
1948
1945 - 2000
1947 - 1966
1945 - 1948
1958 - 1970
1978 - 1984
1978 - 1999
1971 - 1982
1970 - 1975
1961 - 1995
1962 - 1996
1967 - 1992
1960 - 1977
1967 - 1974
1950 - 1970
1978 - 2003
1980 - 1987
1961 - 2001
1953 - 2009
1950 - 2007
1948 - 1992
1948 - 1992
1982 - 1988
1948 - 1953
1962 - 2000
1956 - 1983
1948 - 1992
1961 - 1995
1956 - 2019
1968 - 1986
1954 - 1979
1963 - 2009
1949 - 1977
1948 - 1988
1972 - 1981
1948 - 2022
1949 - 2010
1985 - 2018
1968 - 2000
1949 - 2003
1949 - 1983
1946 - 1968