Cognomen Ohtsubo (Ohtsubo 
) , in the entire world, is a very rare surname. The family name Ohtsubo is habitual in Brazil, where it is a very rare surname, Thailand, where it is an extremely rare surname, and the United Kingdom. In absolute terms, it most frequently occurs in Brazil, Thailand, and the United States.
| VARIANT | COUNTRY |
|---|---|
| Ohtsubo | Brazil, United Kingdom, United States, Thailand |
| ken'ichi ohtsubo researcher (ORCID 0000-0001-9354-3087) |
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| yoshiyuki ohtsubo researcher (ORCID 0000-0003-4388-825X) |
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| motoaki ohtsubo researcher |
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| yoshiyuki ohtsubo researcher (ORCID 0000-0003-1839-6026) |
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| masafumi ohtsubo researcher |
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| yohsuke ohtsubo researcher |
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| hiromi ohtsubo researcher |
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Mr, Hisako, Olinda, Yusuke, Yurico, Shosuke, Antonio, Roberta, Eduardo, Fabiana, Masakazu, Catarina, Kiyotaka, Thamires, Hirokazu, Hidekatsu, Eliane, Takuya, Daniel, Camila, Aki, Ryo, Miki, Alan, Aiji, Lais, Tedi, Francisco, Yuji, Jorge, Neicy, Yohji, Marika, Marcos, Monica, Alzira, Kosen, and Yoshihide