Chameleon dial: repeated camera-recording attack resilient PIN input scheme. - Tetsuji Takada; Masaya Ishizuka (UbiComp/ISWC Adjunct, 2015)

Self-generation of reward by human interaction - Adaptation to multitask by reflecting hope degree for priority. - Shirakura Seiya; Takuya Masaki; Masaya Ishizuka; Kentarou Kurashige (MHS, 2017)

Self-Generation of Reward by Inputs from Multi Sensors -Integration of Evaluations for Inputs to Avoid Danger-. - Masaya Ishizuka; Kentarou Kurashige (MHS, 2018)