Proposal of Wellness Support System. - Jun Sasaki; Koki Ito; Keizo Yamada; Masanori Takagi (SoMeT, 2011)

Development of a Prototype Wellness Support System for Elderly People. - Jun Sasaki; Koki Ito; Manato Saikachi; Masanori Takagi; Keizo Yamada (HEALTHINF, 2012)

Partitioning-based multiplexer network synthesis for field-data extractors. - Koki Ito; Yutaka Tamiya; Masao Yanagisawa; Nozomu Togawa (SoCC, 2015)

Rotator-based multiplexer network synthesis for field-data extractors. - Koki Ito; Kazushi Kawamura; Yutaka Tamiya; Masao Yanagisawa; Nozomu Togawa (SoCC, 2016)

Bi-Partitioning Based Multiplexer Network for Field-Data Extractors. - Koki Ito; Kazushi Kawamura; Yutaka Tamiya; Masao Yanagisawa; Nozomu Togawa (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2016)

Efficient Multiplexer Networks for Field-Data Extractors and Their Evaluations. - Koki Ito; Kazushi Kawamura; Yutaka Tamiya; Masao Yanagisawa; Nozomu Togawa (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2017)

A Presentation Supporting System for Programing Workshops for Elementary School Students. - Koki Ito; Maki Ichimura; Hideyuki Takada (CollabTech, 2018)

Outage Probability Analysis of MF Precoded Massive MIMO with Multi-antenna User Environment. - Koki Ito; Kazuki Maruta; Chang-Jun Ahn (APCC, 2019)

Creation Support by Illustrating Codes Exemplified from Visual Queries. - Koki Ito; Maki Ichimura; Juan Zhou; Hideyuki Takada (SIGCSE, 2020)

Adaptive Subcarrier Grouping for MMSE-SMI Adaptive Array Interference Suppression. - Kosuke Shima; Shun Kojima; Koki Ito; Kazuki Maruta; Chang-Jun Ahn (IEEE Access, 2021)

Pilot De-Contamination by Modified HTRCI with Time-Domain CSI Separation for Two-Cell MIMO Downlink. - Kakeru Matsubara; Shun Kuroki; Koki Ito; Kazushi Shimada; Kazuki Maruta; Chang-Jun Ahn (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2021)

Effect of Unmanned Aerial Vehicles for Electromagnetic Field Measurement on Near Field of High-frequency-Band Monopole Antennas. - Koki Ito; Katsuyuki Fujii; Yasuyuki Okumura; Masahiro Umehira (GCCE, 2023)

Cloud5GC : Design and implementation of scalable and stateless mobile core system on public cloud. - Kunio Akashi; Seiichi Yamamoto; Haruki Sakurai; Koki Ito; Tomohiro Ishihara; Takuji Iimura; Yuji Sekiya; Hiroki Watanabe; Keiichi Shima; Katsuhiro Horiba (ICOIN, 2024)

Low Latency Redundant Network Architecture for Enhancing 5G Mobile Communication Quality. - Nayuta Yamane; Jin Nakazato; Koki Ito; Manabu Mikami; Takahiro Tsuchiya; Manabu Tsukada; Hiroshi Esaki (ICOIN, 2025)