Flying head: A head-synchronization mechanism for flying telepresence. - Keita Higuchi; Katsuya Fujii; Jun Rekimoto (ICAT, 2013)

Endless Flyer: A Continuous Flying Drone with Automatic Battery Replacement. - Katsuya Fujii; Keita Higuchi; Jun Rekimoto (UIC/ATC, 2013)

MoveMe: 3D haptic support for a musical instrument. - Katsuya Fujii; Sophia S. Russo; Pattie Maes; Jun Rekimoto (Advances in Computer Entertainment, 2015)

Social Textiles: Social Affordances and Icebreaking Interactions Through Wearable Social Messaging. - Viirj Kan; Katsuya Fujii; Judith Amores; Chang Long Zhu Jin; Pattie Maes; Hiroshi Ishii 001 (TEI, 2015)

Sync Class: Visualization System for In-Class Student Synchronization. - Katsuya Fujii; Plivelic Marian; Dav Clark; Yoshi Okamoto; Jun Rekimoto (AH, 2018)

SubMe: An Interactive Subtitle System with English Skill Estimation Using Eye Tracking. - Katsuya Fujii; Jun Rekimoto (AH, 2019)

Hierarchical Group-level Emotion Recognition in the Wild. - Katsuya Fujii; Daisuke Sugimura; Takayuki Hamamoto (FG, 2019)

Uniqueness Results of Mixed Interior and Exterior Problems for CT Image Reconstruction. - Katsuya Fujii; Yongchae Kim; Hiroyuki Kudo (ICBIP, 2021)

Hierarchical Group-Level Emotion Recognition. - Katsuya Fujii; Daisuke Sugimura; Takayuki Hamamoto (IEEE Trans. Multim., 2021)