Konishi translated extensively from Japanese into Esperanto, including prose works like Yasunari Kawabata's Snow Country (雪国, Yukiguni, Esperanto title "La Neĝa Lando") and of Kenji Miyazawa's Night on the Galactic Railroad (銀河鉄道の夜, Ginga Tetsudō no Yoru, Esperanto title "Nokto de la galaksia fervojo"), etc.
[3] A collection of his science fiction works appeared in 1976 under the title Vage tra la dimensioj (次元の間をさまよって, "Rambling through the dimensions").
He also wrote textbooks, was chief editor of Nova Esperanto-Japana Vortaro, an Esperanto-Japanese dictionary published by the Japanese Esperanto Institute,[4] and was active in many other areas.
5") he was awarded an honourable mention in the prose category at the 1965 Belartaj Konkursoj, the Esperanto movement's annual fine arts competition.
"[3] Given in memory of Kenji Osaka (1888-1969), father of the Japanese Esperanto movement, the Premio Ossaka is the most prestigious adjudicated award for Esperantists in Japan.