A robust scheduling method for a job shop problem in production by using data carriers. - Kentaro Tsuchida; Hiroaki Oka; Yoshitomo Ikkai; Norihisa Komoda (SMC (2), 2004)

Multihop Data Message Transmission with Inter-Vehicle Communication and Store-Carry-Forward in Sparse Vehicle Ad-Hoc Networks (VANET). - Hiroaki Oka; Hiroaki Higaki (NTMS, 2008)

Wireless multihop communication in sparse Vehicular Ad-Hoc Networks. - Hiroaki Oka; Hiroaki Higaki (Int. J. Internet Protoc. Technol., 2009)

Array of Chemosensitive Resistors with Composites of Gas Chromatography (GC) Materials and Carbon Black for Detection and Recognition of VOCs: A Basic Study. - Bartosz Wyszynski; Rui Yatabe; Atsuo Nakao; Masaya Nakatani; Akio Oki; Hiroaki Oka; Kiyoshi Toko (Sensors, 2017)

Multichannel Odor Sensor System using Chemosensitive Resistors and Machine Learning. - Atsushi Shunori; Rui Yatabe; Bartosz Wyszynski; Yosuke Hanai; Atsuo Nakao; Masaya Nakatani; Akio Oki; Hiroaki Oka; Takashi Washio; Kiyoshi Toko (ISOEN, 2019)