Shigekatsu Yamaguchi (trans. by Kei Ehara), "A Systematic Approach to Marxian Credit Theory Based on the Uno Theory", in Kei Ehara ed., Japanese Discourses on the Marxian Theory of Finance, Palgrave/Macmillan, 2022
Michiaki Obata (trans. by Kei Ehara), "How has Marx's Capital been Re-read in the Process of Capitalistic Development?", 2017 Symposium on the 150th Anniversary of K. Marx’s Capital, "Marx in the 21st Century" Project in Japan, 14 pages, 2017
Michiaki Obata (trans. by Kei Ehara), "The Uno Theory and Marx", N. Yokokawa, K. Yagi, H. Uemura and R. Westra eds., The Rejuvenation of Political Economy, Routledge, Ch.2, pp.30-43, 2016
Marcello Musto, The Marx Rivaival, Chiheisha, 2025 (translation supervised by Kohei Saito and Ryuji Sasaki)
Ch. 1 "Capitalism" by Michael R. Krätke (trans. by Kei Ehara)
Makoto Itoh (trans. by Makoto Itoh and Kei Ehara), Value and Crisis, Iwanami-Shoten, 2024
Marcello Musto (trans. by Kei Ehara and Tsuyoshi Yuki), Another Marx, Horinouchi-Shuppan, 2018
Book Review is available in English by Susumu Takenaga in The History of Economic Thought (The Japanese Society for the History of Economic Thought), Vol.61, No.2, Jan. 2020.
Eduard Bernstein, ,,Zur Theorie des Arbeitswerths'', Oita University Economic Review, Vol.73, No.1,2, Jul. 2021, pp.67-104