Last name 研科 (Yanke 
, 研科 ) , across the world, is quite a rare family name. The family name 研科 is characteristic of Cameroon, where it is quite a rare surname, Canada, where it is a rare surname, and New Zealand. Measured by absolute frequency, it is the most numerous in the United States, Cameroon, and Canada. Likewise, 研科 is the forename as well as the last name.