| 2003 | Interspeech | Perception of voice-individuality for distortions of resonance/source characteristics and waveforms. | Hisao Kuwabara |
| 2002 | LREC | The Present Status of Speech Database in Japan: Development, Management, and Application to Speech Research. | Hisao Kuwabara, Shuichi Itahashi, Mikio Yamamoto, Toshiyuki Takezawa, Satoshi Nakamura, Kazuya Takeda |
| 1998 | Interspeech | Perceptual and acoustic properties of phonemes in continuous speech for different speaking rate. | Hisao Kuwabara |
| 1997 | Interspeech | Acoustic and perceptual properties of phonemes in continuous speech as a function of speaking rate. | Hisao Kuwabara |
| 1996 | Interspeech | Acoustic properties of phonemes in continuous speech for different speaking rate. | Hisao Kuwabara |
| 1993 | Interspeech | Temporal effect on the perception of continuous speech and a possible mechanism in the human auditory system. | Hisao Kuwabara |
| 1990 | ICASSP | Cross-language voice conversion. | Masanobu Abe, Kiyohiro Shikano, Hisao Kuwabara |
| 1990 | Interspeech | A large-scale Japanese speech database. | Yoshinori Sagisaka, Kazuya Takeda, M. Abel, Shigeru Katagiri, T. Umeda, Hisao Kuwabara |
| 1989 | ICASSP | A new speech modification method by signal reconstruction. | Masanobu Abe, Shin-Ichi Tamura, Hisao Kuwabara |
| 1989 | ICASSP | Construction of a large-scale Japanese speech database and its management system. | Hisao Kuwabara, Kazuya Takeda, Yoshinori Sagisaka, Shigeru Katagiri, S. Morikawa, T. Watanabe |
| 1989 | Interspeech | Adaptive manipulation of non-uniform synthesis units using multi-level unit transcription. | Kazuya Takeda, Katsuo Abe, Yoshinori Sagisaka, Hisao Kuwabara |
| 1988 | ICASSP | Voice conversion through vector quantization. | Masanobu Abe, Satoshi Nakamura, Kiyohiro Shikano, Hisao Kuwabara |
| 1986 | ICASSP | Representation of vowels in connected speech based on speech perception experiments. | Hisao Kuwabara |
| 1986 | ICASSP | Contributions of pitch, formant frequency and bandwidth to the perception of voice-personality. | Tohru Takagi, Hisao Kuwabara |