by Yumi (優美) Yamamoto | Dec 19, 2025 | Death Reports, News
LongeviQuest regrets to report that Hanako Ishii of Chiba Prefecture passed away on 14 December, at the age of 112 years and 221 days. On 9 January 2024, a LongeviQuest delegation had the honor of visiting Ms. Ishii in person and spending time speaking with her...
by Yumi (優美) Yamamoto | Dec 3, 2025 | News, Popular, Validation
LongeviQuest had the privilege to conduct an online interview with Kyōko Mizoguchi (溝口京子) of Chiba Prefecture, Japan, and her family, with the kind cooperation of her nursing home. Mizoguchi is the oldest living resident of Matsudo City, Chiba Prefecture. Through our...
by Ben Meyers | Jan 16, 2024 | Analysis, In Depth, Visit Reports
On 9 January 2024, LongeviQuest representatives traveled to Isumi, Chiba Prefecture near the Pacific Coast of Japan to visit Hanako Ishii, age 110. Hanako-san lives in a local rehabilitation hospital, where she receives dedicated care from a medical staff who treats...
by Rollan Albano | May 30, 2023 | News
LongeviQuest is delighted to announce the age validation of Gisaburō Sonobe at 111 years old. He is a Japanese supercentenarian who is currently the oldest living man in the country. Sonobe was born on 6 November 1911, and he currently lives in Tateyama, Chiba...
by Rollan Albano | May 25, 2023 | News
LongeviQuest is delighted to announce the validation of age claim of Natsu Kazato at 112 years old. She is a supercentenarian from Chiba Prefecture, Japan where she was the oldest living person before she passed away. Kazato was born on 22 June 1906, in Chōsei...
