| 2019 | IGARSS | A Study on Features Extraction for HMM Based Anomalous Signal Detection from Waveform Images of ELF Magnetic Signals. | Motoaki Mouri, Akitoshi Itai, Hiroshi Yasukawa, Ichi Takumi |
| 2017 | IGARSS | Implementation of valid and stable algorithm of QL1-NMF for analyzing environmental elf magnetic signals. | Motoaki Mouri, Ichi Takumi, Hiroshi Yasukawa |
| 2012 | ICASSP | Improvement of contour extraction precision of active contour model with structuring elements. | Satoshi Urata, Hiroshi Yasukawa |
| 2012 | IGARSS | A study on clustering for anomalous signal detections from electromagnetic wave data. | Satoshi Urata, Hiroshi Yasukawa, Akitoshi Itai, Ichi Takumi |
| 2012 | ISCAS | Non-linear filter based outer product expansion with reference signal for EEG analysis. | Akitoshi Itai, Arao Funase, Andrzej Cichocki, Hiroshi Yasukawa |
| 2011 | IGARSS | Analysis of environmental electromagnetic signal using nonnegative Matrix Factorization minimizing quasi-L1 norm. | Motoaki Mouri, Arao Funase, Andrzej Cichocki, Ichi Takumi, Hiroshi Yasukawa |
| 2011 | IGARSS | Performance of anomalous signal detection with HMM approach in electromagneticwave observation using moving window. | Yoshinao Ito, Akitoshi Itai, Hiroshi Yasukawa, Ichi Takumi, Masayasu Hata |
| 2011 | VTC | OFDM Receiver Performance Using Rotating Circular Array Antenna for Vehicle Communications. | Hironori Ogihara, Hiroshi Yasukawa |
| 2011 | WCNC | Rotation speed control method for OFDM receiver using rotating circular array antenna. | Hironori Ogihara, Hiroshi Yasukawa |
| 2010 | IGARSS | A study on anomalous signal detection using HMM for ELF electromagnetic wave. | Yoshinao Ito, Akitoshi Itai, Hiroshi Yasukawa, Ichi Takumi, Masayasu Hata |
| 2009 | IGARSS | Detection and Radiation Area Estimation of Anomalous Environmental Electromagnetic Wave Related to Earthquake Precursor. | Tokiyasu Sato, Ichi Takumi, Masayasu Hata, Hiroshi Yasukawa |
| 2008 | IGARSS | Improvement of Earthquake Prediction by using Global Signal Elimination from Environmental Electromagnetic Signals. | Motoaki Mouri, Arao Funase, Ichi Takumi, Andrzej Cichocki, Hiroshi Yasukawa, Masayasu Hata |
| 2008 | IGARSS | Detection of Anomalous Environmental Electromagnetic Wave by Statistical Property in Magnetic Field Azimuth. | Tokiyasu Sato, Ichi Takumi, Masayasu Hata, Hiroshi Yasukawa |
| 2008 | ISCAS | Footstep classification using simple speech recognition technique. | Akitoshi Itai, Hiroshi Yasukawa |
| 2008 | ISCAS | Frequency offset compensation for OFDM receiver using rotating concyclic antenna. | Daisuke Mizukami, Kenji Kodera, Hiroshi Yasukawa |
| 2003 | IGARSS | Study on analysis of EM radiation source based on eigenvector. | Shuhei Murakami, Ichi Takumi, Masayasu Hata, Hiroshi Yasukawa |
| 2003 | IGARSS | The precursor signal detection from electromagnetic waves for predicting great earthquakes using Kalman filter. | Shinji Niwa, Hiroshi Yasukawa, Ichi Takumi, Masayasu Hata |
| 2003 | IGARSS | Study on locating simulation of EM radiation source and transfer characteristic in ELF electromagnetic field. | Susumu Saito, Ichi Takumi, Masayasu Hata, Hiroshi Yasukawa |
| 2003 | IGARSS | A source estimation method to locate anomalous electromagnetic source in ELF band with global noise separation by ICA. | Nobukazu Kodera, Ichi Takumi, Masayasu Hata, Hiroshi Yasukawa |
| 2002 | IGARSS | Clustering of EM radiation source based on eigenvector. | Ichi Takumi, Shuhei Murakami, Akio Shimura, Masayasu Hata, Hiroshi Yasukawa |
| 2002 | IGARSS | Estimation of EM radiation source in ELF band. | Ichi Takumi, Shoichi Saito, Akio Shimura, Masayasu Hata, Hiroshi Yasukawa |
| 2000 | SAC | A Dynamic Flexible Grouping over COBRA-based Network and its Application to Mobile Computing. | Takashi Okuda, Seiji Adachi, Tetsuo Ideguchi, Hiroshi Yasukawa, Xuejun Tian |
| 1996 | Interspeech | Restoration of wide band signal from telephone speech using linear prediction error processing. | Hiroshi Yasukawa |
| 1995 | Interspeech | Enhancement of telephone speech quality by simple spectrum extrapolation method. | Hiroshi Yasukawa |
| 1994 | Interspeech | Quality enhancement of band limited speech by filtering and multirate techniques. | Hiroshi Yasukawa |
| 1989 | ICASSP | Acoustic echo control for high quality audio teleconferencing. | Hiroshi Yasukawa, Isao Furukawa, Yasuzou Ishiyama |
| 1987 | ICASSP | Acoustic echo canceller with high speech quality. | Hiroshi Yasukawa, Shoji Shimada, Isao Furukawa |
| 1986 | ICASSP | Echo return loss required for acoustic echo canceller based on subjective assessment. | Hiroshi Yasukawa, Masakazu Nishino, Kaoru Ishimaru, Hideyo Murakami |