CS-3 System and the Technical Prospects of its Successor. - Yutaka Nagai; Shuzo Kato (ICC (1), 1984)

Fuzzy control of a mobile robot for obstacle avoidance. - Tomoyoshi Takeuchi; Yutaka Nagai; Nobuyoshi Enomoto (Inf. Sci., 1988)

JCSAT satellite, present and future. - Yutaka Nagai; Naoakira Kamiya; Yuichi Hayasaka (Space Commun., 1997)