Analog circuit implementation and learning algorithm for nearest neighbor classifiers. - Kiichi Urahama; Takeshi Nagao (Pattern Recognit. Lett., 1994)

K-winners-take-all circuit with O(N) complexity. - Kiichi Urahama; Takeshi Nagao (IEEE Trans. Neural Networks, 1995)

Technological Development of Fluid Control Within Metal Mold for Application to Family Mold of Resin Part. - Atsushi Mizutani; Takeshi Nagao; Naoki Arai (Int. J. Autom. Technol., 2017)