Design of a New Balanced File Organization Scheme With the Least Redundancy - Sumiyasu Yamamoto; Hideto Ikeda; Shinsei Shige-eda; Kazuhiko Ushio; Noboru Hamada (Inf. Control., 1975)

Design of a Generalized Balanced Multiple-Valued File Organization Scheme of Order Two. - Sumiyasu Yamamoto; Shinsei Tazawa; Kazuhiko Ushio; Hideto Ikeda (SIGMOD Conference, 1978)

Design of a Balanced Multiple Valued File Organization Schema with the Least Redundancy. - Sumiyasu Yamamoto; Shinsei Tazawa; Kazuhiko Ushio; Hideto Ikeda (ACM Trans. Database Syst., 1979)

On balanced claw designs of complete multi-partite graphs. - Kazuhiko Ushio (Discret. Math., 1982)

P3-Factorization of complete bipartite graphs. - Kazuhiko Ushio (Discret. Math., 1988)

Ck-factorization of complete bipartite graphs. - Hikoe Enomoto; Takashi Miyamoto; Kazuhiko Ushio (Graphs Comb., 1988)

P3-factorization of complete multipartite graphs. - Kazuhiko Ushio; Reiji Tsuruno (Graphs Comb., 1989)

G-designs and related designs. - Kazuhiko Ushio (Discret. Math., 1993)

Star-factorization of symmetric complete bipartite digraphs. - Kazuhiko Ushio (Discret. Math., 1997)

Semi-evenly partite star-factorization of symmetric complete tripartite digraphs. - Kazuhiko Ushio (Australas. J Comb., 1999)

Bigraph-factorization of symmetric complete bipartite multi-digraphs. - Kazuhiko Ushio (Australas. J Comb., 1999)

Sk-factorization of symmetric complete tripartite digraphs. - Kazuhiko Ushio (Discret. Math., 1999)

Cycle-factorization of symmetric complete multipartite digraphs. - Kazuhiko Ushio (Discret. Math., 1999)

Evenly partite bigraph-factorization of symmetric complete tripartite digraphs. - Kazuhiko Ushio (Australas. J Comb., 2000)

Star-factorization of symmetric complete bipartite multi-digraphs. - Kazuhiko Ushio (Discret. Math., 2000)

Ck-factorization of symmetric complete bipartite and tripartite multi-digraphs. - Kazuhiko Ushio; Yoshikazu Ohtsubo (Discret. Math., 2000)

Kp, q-factorization of symmetric complete tripartite digraphs. - Kazuhiko Ushio; Yoshikazu Ohtsubo (Discret. Math., 2001)

Evenly partite star-factorization of symmetric complete tripartite multi-digraphs. - Kazuhiko Ushio (Electron. Notes Discret. Math., 2002)

Balanced Bowtie Decomposition of Complete Multigraphs. - Kazuhiko Ushio; Hideaki Fujimoto (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2003)

Balanced Quatrefoil Decomposition of Complete Multigraphs. - Kazuhiko Ushio; Hideaki Fujimoto (IEICE Trans. Inf. Syst., 2005)

Balanced C4-Bowtie Decomposition of Complete Multi-Graphs. - Kazuhiko Ushio; Hideaki Fujimoto (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2005)

Balanced C4-Trefoil Decomposition of Complete Multi-Graphs. - Kazuhiko Ushio; Hideaki Fujimoto (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2006)