Riken to ask Obokata to return 600,000 yen paper submission fee

Mutsuhiro Arinobu (L), executive director of the Riken research institute, speaks at a press conference in Tokyo on March 20, 2015. Riken said it will demand that disgraced stem-cell researcher Haruko Obokata return about 600,000 yen in research paper submission fees. (Kyodo) ==Kyodo