Programming in a mother tongue: philosophy, implementation, practice and effect. - Toshio Souya; Eiichi Hayakawa; Masayuki Honma; Hidehiro Fukushima; Mitaro Namiki; Nobumasa Takahashi; Masaki Nakagawa (COMPSAC, 1991)

A System for Real-time Groupware Using a Pen Interface for Creative Thought Support. - Kazuaki Nakajima; Eiichi Hayakawa; Mitarou Namiki; Nobumasa Takahashi (HCI (2), 1997)

Minato: Integrated Visualization Environment for Embedded Systems Learning. - Yosuke Nishino; Eiichi Hayakawa (HCI (9), 2009)

Visualization Framework for Computer System Learning. - Eiichi Hayakawa; Yuuki Nakagawa; Hideharu Ochiai; Masahiko Fuji; Yosuke Nishino (HCI (4), 2011)

Evaluation of Robot Based Embedded System Study Environment in Technical High School. - Yosuke Nishino; Eiichi Hayakawa (HCI (23), 2011)

Separated Linux Process Logging Mechanism for Embedded Systems. - Praween Amontamavut; Yuuki Nakagawa; Eiichi Hayakawa (RTCSA, 2012)

Editor's Message to Special Issue of Embedded Systems Engineering. - Eiichi Hayakawa (J. Inf. Process., 2018)

Archery Form Guidance System Using Acceleration Sensors and Foot Pressure Sensors. - Ibuki Meguro; Eiichi Hayakawa (HCI (39), 2020)

Flow-Based ROS2 Programming Environment for Control Drone. - Kay Okada; Eiichi Hayakawa (HCI (40), 2020)

Development of Applications that Integrate Information from Diverse Systems with a Focus on Information Organization. - Mayo Fukata; Eiichi Hayakawa (HCI (45), 2023)

Visualization of Operating System Behavior in a Linux Environment Running in a Browser. - Mayo Fukata; Eiichi Hayakawa (HCI (56), 2024)