In 1954, Kaiun KAMITSUKASA, who at that time was the chief official of Todai-ji Temple, commissioned Torakazu to translate the Avatamska Sutra (known in Japan as the 'Kegon-kyo Sutra') into German; the arduous task took him ten years to complete.
1954年当時東大寺官長の上司海雲から「華厳経」のドイツ語訳を委嘱され、十年の歳月を費やしこの難事業を完成する。