Temperature and Illumination Dependence of AlGaN/GaN HFET Threshold Voltage. - Masaya Okada; Ryohei Takaki; Daigo Kikuta; Jin-Ping Ao; Yasuo Ohno (IEICE Trans. Electron., 2006)

An Approach to Camera Work Based Animation. - Ningping Sun; Daisuke Sato; Ryohei Takaki (IIH-MSP, 2007)