Almost Total Elementary Maps. - Akito Tsuboi; Koichiro Ikeda (Math. Log. Q., 1995)

On Theories Having Three Countable Models. - Koichiro Ikeda; Anand Pillay; Akito Tsuboi (Math. Log. Q., 1998)

Minimal But Not Strongly Minimal Structures with Arbitrary Finite Dimensions. - Koichiro Ikeda (J. Symb. Log., 2001)

A Note on Generic Projective Planes. - Koichiro Ikeda (Notre Dame J. Formal Log., 2002)

On generic structures with a strong amalgamation property. - Koichiro Ikeda; Hirotaka Kikyo; Akito Tsuboi (J. Symb. Log., 2009)

A note on stability spectrum of generic structures. - Yuki Anbo; Koichiro Ikeda (Math. Log. Q., 2010)

Ab initio generic structures which are superstable but not ω-stable. - Koichiro Ikeda (Arch. Math. Log., 2012)

On superstable generic structures. - Koichiro Ikeda; Hirotaka Kikyo (Arch. Math. Log., 2012)