This document summarizes recent activities in Japan related to physical computing and prototyping. It describes projects like Gainer v1.0, contributions to Make Magazine and books in Japanese, the FIO/Arduino Fio line of boards, collaborations with physical × wonder and Otona-no Kagaku Magazine on projects like "Japanino", the Prototyping Lab website, and various maker events in Japan. It also profiles several Japanese makers and their projects like Jamming Gear, a Nixie clock, AmiRobo knitted walking robot, and an XBee controlled LED dress.