Isao Tsukamoto: key obituary facts
Is Isao Tsukamoto dead? Yes. Isao Tsukamoto died on August 20, 2026, at age 92.
Cause of death: Isao Tsukamoto's cause of death has not been publicly confirmed.
What was Isao Tsukamoto known for?
He was a Japanese translator.
More about Isao Tsukamoto
Born: 1 January 1934.
Place of birth: Osaka Prefecture.
Gender: male.
Occupation: translator.
Nationality: Japan.
Education: Kyoto University.
Employer: Osaka University of Foreign Studies.
Isao Tsukamoto, a Japanese academic and translator, died on August 20, 2026, aged 92.
He was a Japanese scholar of Korean language and a former professor at Osaka University of Foreign Studies. Born in Osaka Prefecture, he joined the university’s newly created Korean language department in 1963 as a full-time lecturer.
Over more than two decades, he helped complete the “Korean-Japanese Dictionary” in 1986, a work noted for its roughly 210,000 entries and for becoming the world’s largest Korean-Japanese dictionary. The dictionary received the 1986 Japan Translation Culture Award.