Visualization of Respiration in the Embodied Virtual Communication System and Its Evaluation. - Tomio Watanabe; Masamichi Ogikubo; Yutaka Ishii (Int. J. Hum. Comput. Interact., 2004)

An Embodied Avatar Mediated Communication System with VirtualActor for Human Interaction Analysis. - Yutaka Ishii; Tomio Watanabe (RO-MAN, 2007)

Evaluation of embodied avatar manipulation based on talker's hand motion by using 3D trackball. - Yutaka Ishii; Kouzi Osaki; Tomio Watanabe; Yoshijiro Ban (RO-MAN, 2008)

Development of a Virtual Presence Sharing System Using a Telework Chair. - Yutaka Ishii; Tomio Watanabe (FIRA, 2009)

Ghatcha: GHost Avatar on a Telework CHAir. - Yutaka Ishii; Kouzi Osaki; Tomio Watanabe (HCI (12), 2009)

Method for Identifying Task Hardships by Analyzing Operational Logs of Instruction Videos. - Junzo Kamahara; Takashi Nagamatsu; Yuki Fukuhara; Yohei Kaieda; Yutaka Ishii (SAMT, 2009)

Effects of delayed presentation of self-embodied avatar motion with network delay. - Yutaka Ishii; Yoshihiro Sejima; Tomio Watanabe (IUCS, 2010)

Instructional Video Content Employing User Behavior Analysis: Time Dependent Annotation with Levels of Detail. - Junzo Kamahara; Takashi Nagamatsu; Masashi Tada; Yohei Kaieda; Yutaka Ishii (UMAP, 2010)

Embodied Communication Support Using a Presence Sharing System under Teleworking. - Yutaka Ishii; Tomio Watanabe (HCI (23), 2011)

A Virtual Audience System for Enhancing Embodied Interaction Based on Conversational Activity. - Yoshihiro Sejima; Yutaka Ishii; Tomio Watanabe (HCI (12), 2011)

E-VChat: A video communication system in which a speech-driven embodied entrainment character working with head motion is superimposed for a virtual face-to-face scene. - Yutaka Ishii; Tomio Watanabe (RO-MAN, 2012)

Evaluation of Superimposed Self-character Based on the Detection of Talkers' Face Angles in Video Communication. - Yutaka Ishii; Tomio Watanabe (HCI (13), 2013)

A superimposed self-character mediated video chat system with the function of face-to-face projection based on talker's face direction. - Yutaka Ishii; Shiho Nakayama; Tomio Watanabe (RO-MAN, 2013)

Video communication system with speech-driven embodied entrainment audience characters with partner's face. - Shiho Nakayama; Tomio Watanabe; Yutaka Ishii (SII, 2013)

Evaluation of a video communication system with speech-driven embodied entrainment audience characters with partner's face. - Yutaka Ishii; Tomio Watanabe (HAI, 2014)

A nursing communication education support system with the function of reflection. - Mayo Yamamoto; Noriko Takabayashi; Tomio Watanabe; Yutaka Ishii (SII, 2015)

Development of an Embodied Avatar System using Avatar-Shadow's Color Expressions with an Interaction-activated Communication Model. - Yutaka Ishii; Tomio Watanabe; Yoshihiro Sejima (HAI, 2016)

Boundary of the Horseshoe Locus for the Hénon Family. - Zin Arai; Yutaka Ishii; Hiroki Takahasi (SIAM J. Appl. Dyn. Syst., 2018)

Development of a Prototype of Face-to-Face Conversational Holographic Agent for Encouraging Co-regulation of Learning. - Ayane Hisatomi; Yutaka Ishii; Toshio Mochizuki; Hironori Egi; Yoshihiko Kubota; Hiroshi Kato (HAI, 2019)

A Speech Promotion System by Using Embodied Entrainment Objects of Spoken Words and a Listener Character for Joint Attention. - Masakatsu Kubota; Tomio Watanabe; Yutaka Ishii (HAI, 2019)

Development of an Embodied Group Entrainmacent Response System to Express Interaction-Activated Communication. - Yutaka Ishii; Tomio Watanabe (HCI (3), 2019)

Polyvision: 4D Space Manipulation through Multiple Projections. - Keigo Matsumoto; Nami Ogawa; Hiroyuki Inou; Shizuo Kaji; Yutaka Ishii; Michitaka Hirose (SIGGRAPH ASIA Emerging Technologies, 2019)

Detection of Careless Mistakes during Programming Learning using a Simple Electroencephalograph. - Katsuyuki Umezawa; Makoto Nakazawa; Manabu Kobayashi; Yutaka Ishii; Michiko Nakano; Shigeichi Hirasawa (ICCSE, 2020)

Face-to-Face Holographic Agent Used as Catalyst for Learning and Employing Co-regulation in Collaborative Discussion. - Toshio Mochizuki; Naruaki Ishikawa; Hironori Egi; Ayane Hisatomi; Yutaka Ishii; Natsumi Yuki; Yoshihiko Kubota; Hiroshi Kato (ICLS, 2020)

Analysis of Logic Errors Utilizing a Large Amount of File History During Programming Learning. - Katsuyuki Umezawa; Makoto Nakazawa; Manabu Kobayashi; Yutaka Ishii; Michiko Nakano; Shigeichi Hirasawa (TALE, 2020)

Avatar Twin Using Shadow Avatar in Avatar-Mediated Communication. - Yutaka Ishii; Satoshi Kurokawa; Tomio Watanabe (HCI (4), 2021)

Comparison Experiment of Learning State Between Visual Programming Language and Text Programming Language. - Katsuyuki Umezawa; Yutaka Ishii; Makoto Nakazawa; Michiko Nakano; Manabu Kobayashi; Shigeichi Hirasawa (TALE, 2021)

Evaluation of Difficulty During Visual Programming Learning Using a Simple Electroencephalograph and Minecraft Educational Edition. - Katsuyuki Umezawa; Makoto Nakazawa; Manabu Kobayashi; Yutaka Ishii; Michiko Nakano; Shigeichi Hirasawa (WorldCIST (3), 2021)

Development of a Web-Based Interview Support System Using Characters Nodding with Various Movements. - Yutaka Ishii; Satoshi Kurokawa; Miwako Kitamura; Tomio Watanabe (HCI (44), 2022)

Development of a Speech-Driven Communication Support System Using a Smartwatch with Vibratory Nodding Responses. - Yutaka Ishii; Kenta Koike; Miwako Kitamura; Tomio Watanabe (HCI (5), 2023)

Discussion Support Agent System to Promote Equalization of Speech among Participants. - Ryunosuke Nishimura; Risa Iharada; Yuya Sugamoto; Yutaka Ishii; Toshio Mochizuki; Hironori Egi (ICCE, 2023)

Agent "Nah": Development of a Voice-Driven Embodied Entrainment Character with Non-agreeable Responses. - Yutaka Ishii; Masaki Matsuno; Tomio Watanabe (HCI (6), 2024)

Evaluation of a Speech-Driven Communication Support System Using a Smartwatch with Vibratory Nodding Responses in First-Time Interview Conversations. - Yutaka Ishii; Jun Nakano; Miwako Kitamura; Tomio Watanabe (HCI (10), 2025)