| 2010 | Interspeech | Mandarin digit recognition assisted by selective tone distinction. | Xiaodong Wang, Kunihiko Owa, Makoto Shozakai |
| 2009 | Interspeech | Usability study of VUI consistent with GUI focusing on age-groups. | Jun Okamoto, Tomoyuki Kato, Makoto Shozakai |
| 2008 | Interspeech | Analysis of drivers' speech in a car environment. | Tomoyuki Kato, Jun Okamoto, Makoto Shozakai |
| 2007 | ICASSP | Cost Reduction of Training Mapping Function Based on Multistep Voice Conversion. | Tsuyoshi Masuda, Makoto Shozakai |
| 2007 | Interspeech | How to judge reusability of existing speech corpora for target task by utilizing statistical multidimensional scaling. | Goshu Nagino, Makoto Shozakai, Kiyohiro Shikano |
| 2006 | Interspeech | Analyzing reusability of speech corpus based on statistical multidimensional scaling method. | Goshu Nagino, Makoto Shozakai |
| 2006 | Interspeech | Distance measure between Gaussian distributions for discriminating speaking styles. | Goshu Nagino, Makoto Shozakai |
| 2005 | ICASSP | Building an Effective Corpus By Using Acoustic Space Visualization (COSMOS) Method. | Goshu Nagino, Makoto Shozakai |
| 2005 | Interspeech | Improving robustness of speech recognition performance to aggregate of noises by two-dimensional visualization. | Makoto Shozakai, Goshu Nagino |
| 2004 | Interspeech | Design of ready-made acoustic model library by two-dimensional visualization of acoustic space. | Goshu Nagino, Makoto Shozakai |
| 2004 | Interspeech | Analysis of speaking styles by two-dimensional visualization of aggregate of acoustic models. | Makoto Shozakai, Goshu Nagino |
| 1999 | ICASSP | Speech interface VLSI for car applications. | Makoto Shozakai |
| 1998 | ICASSP | Robust speech recognition in car environments. | Makoto Shozakai, Satoshi Nakamura, Kiyohiro Shikano |
| 1997 | Interspeech | A non-iterative model-adaptive e-CMN/PMC approach for speech recognition in car environments. | Makoto Shozakai, Satoshi Nakamura, Kiyohiro Shikano |
| 1993 | Interspeech | A voice-activated extension telephone exchange system. | Shingo Kuroiwa, Kazuya Takeda, Naomi Inoue, Izuru Nogaito, Seiichi Yamamoto, Makoto Shozakai, Kunihiko Owa, Masahiko Takahashi, Ryuuji Matsumoto |
| 1992 | Interspeech | Architecture and algorithms of a real-time word recognizer for telephone input. | Shingo Kuroiwa, Kazuya Takeda, Fumihiro Yato, Seiichi Yamamoto, Kunihiko Owa, Makoto Shozakai, Ryuuji Matsumoto |
| 1988 | ICASSP | Phonetic typewriter for Finnish and Japanese. | Teuvo Kohonen, Kari Torkkola, Makoto Shozakai, Jari Kangas, Olli Vent |
| 1987 | Interspeech | Microprocessor implementation of a large vocabulary speech recognizer and phonetic typewriter for Finnish and Japanese. | Teuvo Kohonen, Kari Torkkola, Makoto Shozakai, Jari Kangas, Olli Vent |