| 2006 | ISCAS | Single-channel speech enhancement based on frequency domain ALE. | Isao Nakanishi, Yuudai Nagata, Yoshio Itoh, Yutaka Fukui |
| 2005 | ICASSP | Multi-matcher on-line signature verification system in DWT domain. | Isao Nakanishi, Hiroyuki Sakamoto, Yoshio Itoh, Yutaka Fukui |
| 2005 | ISCAS | Optimal user weighting fusion in DWT domain on-line signature verification. | Isao Nakanishi, Hiroyuki Sakamoto, Yoshio Itoh, Yutaka Fukui |
| 2005 | ISCAS | DWT domain multi-matcher on-line signature verification system. | Isao Nakanishi, Hiroyuki Sakamoto, Yoshio Itoh, Yutaka Fukui |
| 2005 | ISCAS | Current-mode universal biquad circuit using MO-OTAs and DO-CCII. | Takao Tsukutani, Yasuaki Sumi, Masami Higashimura, Yutaka Fukui |
| 2004 | ISCAS | Smart noise reduction system based on ALE and noise reconstruction system. | Naoto Sasaoka, Yoshio Itoh, Kensaku Fujii, Yutaka Fukui |
| 2003 | ISCAS | A study on the step size of cascaded adaptive notch filter utilizing allpass filter. | Yasutomo Kinugasa, Yoshio Itoh, Masaki Kobayashi, Yutaka Fukui, James Okello |
| 2003 | ISCAS | On-line signature verification method utilizing feature extraction based on DWT. | Isao Nakanishi, Naoto Nishiguchi, Yoshio Itoh, Yutaka Fukui |
| 2002 | ICASSP | A new noise reduction method using linear predictor and adaptive filter. | Arata Kawamura, Kensaku Fujii, Yoshio Itoh, Yutaka Fukui |
| 2002 | ISCAS | A new noise reduction method using linear prediction error filter and adaptive digital filter. | Arata Kawamura, Kensaku Fujii, Yoshio Itoh, Yutaka Fukui |
| 2001 | ICASSP | A new unbiased equation error algorithm for IIR ADF and its application to ALE. | James Okello, T. Kinugasa, Yoshio Itoh, Yutaka Fukui, Masaki Kobayashi |
| 2001 | ISCAS | A new algorithm for adaptive notch filter with sub-band filtering. | Yasutomo Kinugasa, James Okello, Yoshio Itoh, Masaki Kobayashi, Yutaka Fukui |
| 2001 | ISCAS | Noise reduction system based on frequency domain adaptive filter using modified DFT pair. | Isao Nakanishi, Yoshio Itoh, Yutaka Fukui |
| 2001 | ISCAS | Noise reduction system using modified DFT pair. | N. Nakanishi, Yoshio Itoh, Yutaka Fukui, Kensaku Fujii |
| 2001 | ISCAS | A new unbiased online algorithm for equation error IIR ADF. | James Okello, Yasutomo Kinugasa, Yoshio Itoh, Yutaka Fukui, Masaki Kobayashi |
| 2000 | ISCAS | Proposal for a convergence criterion to the active net in two steps. | Yoshitaka Matsuda, Yasuaki Sumi, Dai Kataoka, Makoto Ota, Noboru Yabuki, Yutaka Fukui, Shigehiko Miki |
| 2000 | ISCAS | Accelerated frequency domain adaptive filter using modified DFT pair and its application to noise canceling. | Isao Nakanishi, Yoshio Itoh, Yutaka Fukui |
| 2000 | ISCAS | An adaptive notch filter for eliminating multiple sinusoids with reduced bias. | James Okello, Shin'ichi Arita, Yoshio Itoh, Yutaka Fukui, Masaki Kobayashi |
| 2000 | ISCAS | A new architecture for implementing pipelined ADF. | James Okello, Shin'ichi Arita, Yoshio Itoh, Yutaka Fukui, Masaki Kobayashi |
| 1999 | ISCAS | Transform domain neural filters. | Isao Nakanishi, Yoshio Itoh, Yutaka Fukui |
| 1999 | ISCAS | Performance improvement in a binary phase comparator type PLL frequency synthesizer. | Shigeki Obote, Yasuaki Sumi, Naoki Kitai, Yutaka Fukui, Yoshio Itoh |
| 1999 | ISCAS | Dead-zone-less PLL frequency synthesizer by hybrid phase detectors. | Yasuaki Sumi, Shigeki Obote, Naoki Kitai, Ryousuke Furuhashi, Hidekazu Ishii, Yoshitaka Matsuda, Yutaka Fukui |
| 1999 | ISCAS | PLL frequency synthesizer with an auxiliary programmable divider. | Yasuaki Sumi, Shigeki Obote, Naoki Kitai, Ryousuke Furuhashi, Yoshitaka Matsuda, Yutaka Fukui |
| 1999 | ISCAS | Region detection using color similarity. | Noboru Yabuki, Yoshitaka Matsuda, Yutaka Fukui, Shigehiko Miki |