Family name Takeoka (Takeoka 
) , worldwide, is a rare last name. The surname Takeoka is habitual in Japan, where it is a very rare surname, the United States, and Thailand. Likewise, Takeoka is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Takeoka | Japan, China, Thailand, United States, Brazil |
| katsuya takeoka (b. 1893) |
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| gary r. takeoka (b. 1954) |
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| yosuke takeoka researcher (ORCID 0000-0002-1157-4849) |
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| atsushi takeoka researcher ORCID ID = 0000-0002-4202-6933 |
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| masanori takeoka neurologist at Harvard Medical School and Boston Children's Hospital |
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| shinji takeoka researcher |
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| yukikazu takeoka researcher |
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| yuko takeoka researcher (ORCID 0000-0003-4958-3879) |
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| tomohira takeoka researcher |
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