| 2015 | Interspeech | Discriminative bilinear language modeling for broadcast transcriptions. | Akio Kobayashi, Manon Ichiki, Takahiro Oku, Kazuo Onoe, Shoei Sato |
| 2013 | Interspeech | Lightly supervised training for risk-based discriminative language models. | Akio Kobayashi, Takahiro Oku, Yuya Fujita, Shoei Sato |
| 2012 | ICASSP | Multi-objective optimization for semi-supervised discriminative language modeling. | Akio Kobayashi, Takahiro Oku, Toru Imai, Seiichi Nakagawa |
| 2012 | ICASSP | Low-latency speaker diarization based on Bayesian information criterion with multiple phoneme classes. | Takahiro Oku, Shoei Sato, Akio Kobayashi, Shinichi Homma, Toru Imai |
| 2011 | Interspeech | Lattice-Based Risk Minimization Training for Unsupervised Language Model Adaptation. | Akio Kobayashi, Takahiro Oku, Shinichi Homma, Toru Imai, Seiichi Nakagawa |
| 2010 | ICASSP | Learning task-dependent speech variability in discriminative acoustic model adaptation. | Shoei Sato, Takahiro Oku, Shinichi Homma, Akio Kobayashi, Toru Imai |
| 2010 | Interspeech | Speech recognition with a seamlessly updated language model for real-time closed-captioning. | Toru Imai, Shinichi Homma, Akio Kobayashi, Takahiro Oku, Shoei Sato |
| 2008 | ICCHP | New Real-Time Closed-Captioning System for Japanese Broadcast News Programs. | Shinichi Homma, Akio Kobayashi, Takahiro Oku, Shoei Sato, Toru Imai, Tohru Takagi |
| 2008 | Interspeech | Discriminative rescoring based on minimization of word errors for transcribing broadcast news. | Akio Kobayashi, Takahiro Oku, Shinichi Homma, Shoei Sato, Toru Imai, Tohru Takagi |