Cognomen Yaku (Yaku 
, Яку 
, ياكو 
) , in all the world, is quite a rare surname. The family name Yaku is characteristic of Papua New Guinea, where it is quite a rare surname, Jordan, where it is a rare surname, and Malaysia. Measured by absolute frequency, it most frequently occurs in Indonesia, Nigeria, and India. More prevalently, Yaku is the forename as well as the last name.
| hitoshi yaku Japanese medical scientist. His specialty is cardiovascular surgery |
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| hidenobu yaku researcher |
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| hitoshi yaku researcher |
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