Adaptive microphone-array system for noise reduction. - Yutaka Kaneda; Juro Ohga (IEEE Trans. Acoust. Speech Signal Process., 1986)

An adaptive filter coefficients adjustment algorithm stable against reference signal power fluctuation available for acoustic echo canceller systems. - Kensaku Fujii; Juro Ohga (EUSIPCO, 1996)

Sub-RLS algorithm with an extremely simple update equation. - Kensaku Fujii; Juro Ohga (ICASSP, 1997)

A controlled block implementation of the NLMS algorithm. - Kensaku Fujii; Juro Ohga (EUSIPCO, 1998)

Method to update the feedback control filter coefficients under active noise control. - Kensaku Fujii; Mitsuji Muneyasu; Juro Ohga (ISCAS, 2000)

Method to update the coefficients of the secondary path filter under active noise control. - Kensaku Fujii; Juro Ohga (Signal Process., 2001)

New direct-radiator loudspeaker driven by piezoelectric ultrasonic motors. - Hiroya Saito; Kunio Oishi; Juro Ohga; Hirokazu Negishi; Ikuo Oohira; Kazuaki Maeda (GCCE, 2013)