| 2016 | HCI | Measurement of Lens Focus Adjustment While Wearing a See-Through Head-Mounted Display. | Ryota Kimura, Kohei Iwata, Takahiro Totani, Toshiaki Miyao, Takehito Kojima, Hiroki Takada, Hiromu Ishio, Chizue Uneme, Masaru Miyao, Masumi Takada |
| 2016 | HCI | Changes of Potential Functions While Maintaining Upright Postures After Exposure to Stereoscopic Video Clips. | Fumiya Kinoshita, Kohei Iwata, Yasuyuki Matsuura, Masaru Miyao, Hiroki Takada |
| 2015 | HCI | Comparison of Age Groups on the Readability of an E-Reader with a Built-in Light. | Yuki Ishii, Tatsuya Koizuka, Kohei Iwata, Takehito Kojima, Paul Lege, Masaru Miyao |
| 2015 | HCI | Difference in Readability of Mobile Devices by Age Groups. | Kohei Iwata, Yuki Ishii, Tatsuya Koizuka, Takehito Kojima, Ranson Paul Lege, Masaru Miyao |
| 2011 | Interspeech | Spoken Term Detection Results Using Plural Subword Models by Estimating Detection Performance for Each Query. | Yoshiaki Itoh, Kohei Iwata, Masaaki Ishigame, Kazuyo Tanaka, Shi-wook Lee |
| 2007 | Interspeech | An integration method of retrieval results using plural subword models for vocabulary-free spoken document retrieval. | Yoshiaki Itoh, Kohei Iwata, Kazunori Kojima, Masaaki Ishigame, Kazuyo Tanaka, Shi-wook Lee |
| 2006 | Interspeech | Two-stage vocabulary-free spoken document retrieval - subword identification and re-recognition of the identified sections. | Yoshiaki Itoh, Takayuki Otake, Kohei Iwata, Kazunori Kojima, Masaaki Ishigame, Kazuyo Tanaka, Shi-wook Lee |
| 2006 | Interspeech | Open-vocabulary spoken document retrieval based on new subword models and subword phonetic similarity. | Kohei Iwata, Yoshiaki Itoh, Kazunori Kojima, Masaaki Ishigame, Kazuyo Tanaka, Shi-wook Lee |