Optimum multi-layered cell architecture for personal communication systems with high degree of mobility. - Keisuke Ogawa; Takeshi Hattori; Hiroshi Yoshida (VTC, 1994)

Toward the personal communication era - A proposal of the "radio access" concept from Japan. - Keisuke Ogawa; Kenji Kohiyama; Tadao Kobayashi (Int. J. Wirel. Inf. Networks, 1994)

Advanced Wireless Access System. - Keisuke Ogawa; Akira Hashimoto; Kenji Kohiyama (Wirel. Pers. Commun., 1997)

Integration of Eigentemplate and Structure Matching for Automatic Facial Feature Detection. - Takeshi Shakunaga; Keisuke Ogawa; Shohei Oki (FG, 1998)

Life Game Orchestra as an Interactive Music Composition System Translating Cellular Patterns of Automata into Musical Scales. - Keisuke Ogawa; Yasuo Kuhara (NIME, 2009)

Mobile Timeline EMR System - Support System for Doctors' Cognition/Analysis. - Keisuke Ogawa; Kazunori Matsumoto; Masayuki Hashimoto; Tatsuaki Hamai; Yoshiaki Kondo (HEALTHINF, 2011)

Mobile TimeLine - Mobile Charting System that Provides a Graphical Summary of a Patient's Medical Record. - Keisuke Ogawa; Kazunori Matsumoto; Masayuki Hashimoto; Tatsuaki Hamai; Akiko Shibuya; Yoshiaki Kondo (HEALTHINF, 2012)

Clarifying requirements chronological visualization of medical data by investigating medical journal articles. - Keisuke Ogawa; Kazunori Matsumoto; Masayuki Hashimoto; Akiko Shibuya; Yoshiaki Kondo (AMIA, 2014)

Implementation of a Mobile Electronic Medical Record System that Uses a Problem-oriented Contiguous Timeline View. - Akiko Shibuya; Keisuke Ogawa; Kazunori Matsumoto; Masayuki Hashimoto; Yukihiro Maeda; Yoshiaki Kondo (AMIA, 2015)

Method of Screening the Health of Persons with High Risk for Potential Lifestyle-related Diseases using LDA - Toward a Better Screening Method for Persons with High Health Risks. - Keisuke Ogawa; Kazunori Matsumoto; Masayuki Hashimoto; Ryoichi Nagatomi (HEALTHINF, 2015)

Editing Training Sets from Imbalanced Data Using Fuzzy-Rough Sets. - Do Van Nguyen; Keisuke Ogawa; Kazunori Matsumoto; Masayuki Hashimoto (AIAI, 2015)