Toshiyasu Chiba at the age of 109.
Toshiyasu Chiba was born on 14 April 1907 in Japan. Until 2016, his name was incorrectly transliterated as Juko Chiba. On 20 April 2017, six days after his 110th birthday, he became the oldest known living man in Miyagi Prefecture, following the death of 111-year-old Toichi Sasaki of Osaki. He was reported as such in September 2017.
Toshiyasu Chiba died in August 2018 in Sendai, Miyagi prefecture at the age of 111.
- Miyagi Prefecture Report, September 2017
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