Masatoshi Ōkōchi
| Masatoshi Ōkōchi | |
|---|---|
 |
|
| Native name | 大河内 正敏 |
| Born |
December 6, 1878 Minato, Tokyo, Japan |
| Died | August 29, 1952 (aged 73) |
| Nationality | Japanese |
| Occupation | Businessman |
| Children | 5 (including Nobutake and Nobuhiro) |
Viscount Masatoshi Ōkōchi (大河内正敏 Ōkōchi Masatoshi?) (December 6, 1878 – August 29, 1952) was a physicist and business executive. He was the third director of the Riken Institute, a position which he assumed in 1921 and held for 25 years. During this period, he was notable for establishing the Riken Konzern, a zaibatsu of companies which focused on utilizing Riken's research results to produce commercial products.
He was the eldest son of Ōkōchi Masatada, son of Manabe Akikatsu and adopted son of Matsudaira Masatomo. He married a daughter of his uncle Ōkōchi Nobuhisa, another son of Akikatsu but adopted by Matsudaira Nobuaki, with whom he had issue, including Nobuhiro Ōkōchi. His granddaughter through Nobuhiro was actress Momoko Kōchi.
Masatoshi was born in Hamamatsuchō, Minato, Tokyo as a descendant of the Ōkōchi-Matsudaira clan who ruled over the Ōtaki Domain. After graduating from an elementary school affiliated with Gakushūin, he received an education at the First High School, and then enrolled in the Tokyo Imperial University.
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