| 2010 | ICANN | A BCI System Based on Orthogonalized EEG Data and Multiple Multilayer Neural Networks in Parallel Form. | Kenji Nakayama, Hiroki Horita, Akihiro Hirano |
| 2010 | ICASSP | A stereo echo canceller with simultaneous input-sliding and sliding-period control. | Akihiko Sugiyama, Yuusuke Mizuno, Akihiro Hirano, Kenji Nakayama |
| 2008 | ICANN | Neural Network Based BCI by Using Orthogonal Components of Multi-channel Brain Waves and Generalization. | Kenji Nakayama, Hiroki Horita, Akihiro Hirano |
| 2007 | ICANN | Analysis and Comparative Study of Source Separation Performances in Feed-Forward and Feed-Back BSSs Based on Propagation Delays in Convolutive Mixture. | Akihide Horita, Kenji Nakayama, Akihiro Hirano |
| 2006 | IJCNN | A Distortion Free Learning Algorithm for Feedforward BSS and ITS Comparative Study with Feedback BSS. | Akihide Horita, Kenji Nakayama, Akihiro Hirano, Yasuhiro Dejima |
| 2005 | IJCNN | Analysis of signal separation and signal distortion in feedforward and feedback blind source separation based on source spectra. | Akihide Horita, Kenji Nakayama, Akihiro Hirano, Yasuhiro Dejima |
| 2004 | ICASSP | Stereophonic acoustic echo canceller without pre-processing. | Akihiro Hirano, Kenji Nakayama, Daisuke Someda, Masahiko Tanaka |
| 2004 | ICASSP | A blind source separation cascading separation and linearization for low-order nonlinear mixtures. | Takayuki Nishiwaki, Kenji Nakayama, Akihiro Hirano |
| 2004 | IJCNN | On generalization of multilayer neural network applied to predicting protein secondary structure. | Kenji Nakayama, Akihiro Hirano, Ken-ichi Fukumura |
| 2003 | ICASSP | Block implementation of a synchronized learning algorithm in adaptive lattice filters. | Naoki Tokui, Kenji Nakayama, Akihiro Hirano |
| 2003 | IJCNN | A learning algorithm with adaptive exponential stepsize for blind source separation of convolutive mixtures with reverberations. | Kenji Nakayama, Akihiro Hirano, Akihide Horita |
| 2003 | IJCNN | A cascade form blind source separation connecting source separation and linearization for nonlinear mixtures. | Kenji Nakayama, Akihiro Hirano, Takayuki Nishiwaki |
| 2001 | ICASSP | A synchronized learning algorithm for reflection coefficients and tap weights in a joint lattice predictor and transversal filter. | Naoki Tokui, Kenji Nakayama, Akihiro Hirano |
| 2000 | IJCNN | A Structure Trainable Neural Network with Embedded Gating Units and Its Learning Algorithm. | Kenji Nakayama, Akihiro Hirano, Aki Kanbe |
| 2000 | IJCNN | A Constraint Learning Algorithm for Blind Source Separation. | Kenji Nakayama, Akihiro Hirano, Motoki Nitta |
| 1999 | ICASSP | Convergence analysis of stereophonic echo canceller with pre-processing-relation between pre-processing and convergence. | Akihiro Hirano, Kenji Nakayama, Kazunobu Watanabe |
| 1999 | ICASSP | A polyphase and FFT realization of modulation sub-band adaptive filter with minimum sampling rate. | Kenji Nakayama, Akihiro Hirano, Hiroaki Sakaguchi |
| 1999 | IJCNN | A multilayer neural network with nonlinear inputs and trainable activation functions: structure and simultaneous learning algorithm. | Kenji Nakayama, Akihiro Hirano, Issei Ido |
| 1998 | ICASSP | A real time robust adaptive microphone array controlled by an SNR estimate. | Osamu Hoshuyama, Brigitte Begasse, Akihiko Sugiyama, Akihiro Hirano |
| 1997 | ICASSP | A robust adaptive microphone array with improved spatial selectivity and its evaluation in a real environment. | Osamu Hoshuyama, Akihiko Sugiyama, Akihiro Hirano |
| 1996 | ICASSP | DSP implementation and performance evaluation of sparse-tap adaptive FIR filters with tap-position control. | Akihiro Hirano, Akihiko Sugiyama, Shigeji Ikeda |
| 1996 | ICIP | Recovering 3D shape and texture from continuous focus series: using a polarized filter. | Tomoyuki Kudou, Akihiro Hirano, Hidetoshi Miike |
| 1995 | ICASSP | A noise-robust stochastic gradient algorithm with an adaptive step-size suitable for mobile hands-free telephones. | Akihiro Hirano, Akihiko Sugiyama |
| 1994 | ICASSP | DSP implementation and performance evaluation of a compact stereo echo canceller. | Akihiro Hirano, Akihiko Sugiyama, Yasuhiro Arasawa, Noboru Kawayachi |