An offset-free LPF for π/4-shift QPSK signal generator. - Hiroshi Tanimoto; Tetsuro Itakura; Takashi Ueno; Akira Yasuda; Kazuhiro Oda (IEEE J. Solid State Circuits, 1996)

A 2 Vpp linear input-range fully balanced CMOS transconductor and its application to a 2.5 V 2.5 MHz Gm-C LPF. - Tetsuro Itakura; Takashi Ueno; Hiroshi Tanimoto; Tadashi Arai (CICC, 1999)

A 2.7-V, 200-kHz, 49-dBm, stopband-IIP3, low-noise, fully balanced gm-C filter IC. - Tetsuro Itakura; Takashi Ueno; Hiroshi Tanimoto; Akira Yasuda; Ryuichi Fujimoto; Tadashi Arai; Hideyuki Kokatsu (IEEE J. Solid State Circuits, 1999)

Color image coding based on the colorization. - Takashi Ueno; Taichi Yoshida; Masaaki Ikehara (APSIPA, 2012)

Colorization based on piecewise autoregressive model. - Yasuhiro Nakajima; Takashi Ueno; Taichi Yoshida; Masaaki Ikehara (ACSSC, 2013)