An 8 kbps TC-MQ (time domain compression ADPCM-MQ) speech codec. - Fumio Amano; Kohei Iseda; Koji Okazaki; Shigeyuki Unagami (ICASSP, 1988)

Adaptive Porting of Analog IPs with Reusable Conservative Properties. - Takashi Nojima; Nobuto Ono; Shigetoshi Nakatake; Toru Fujimura; Koji Okazaki; Yoji Kajitani (ISVLSI, 2006)