Speaking style adaptation for spontaneous speech recognition using multiple-regression HMM. - Yusuke Ijima; Takeshi Matsubara; Takashi Nose; Takao Kobayashi (INTERSPEECH, 2009)

0.5 V multi-phase digital controlled oscillator with smooth phase transition circuit. - Abul Hasan Johari; Satoshi Kumaki; Takeshi Matsubara; Isamu Hayashi; Hiroki Ishikuro (APCCAS, 2010)

A 0.5V 6-bit scalable phase interpolator. - Satoshi Kumaki; Abul Hasan Johari; Takeshi Matsubara; Isamu Hayashi; Hiroki Ishikuro (APCCAS, 2010)

A 0.7V 4.1mW 850Mbps/ch inductive-coupling transceiver with adaptive pulse width controller in 65nm CMOS. - Takeshi Matsubara; Isamu Hayashi; Abul Hasan Johari; Tadahiro Kuroda; Hiroki Ishikuro (RWS, 2012)