Methodologies in development and testing of the dataflow machine EM-4. - Kazuaki Okamoto; Yuetsu Kodama; Shuichi Sakai; Yoshinori Yamaguchi (Parallel Comput., 1992)

Super-Threading: Architectural and Software Mechanisms for Optimizing Parallel Computation. - Shuichi Sakai; Kazuaki Okamoto; Hiroshi Matsuoka; Hideo Hirono; Yuetsu Kodama; Mitsuhisa Sato (International Conference on Supercomputing, 1993)

RICA: Reduced Interprocessor-Communication Architecture - Concept and Mechanisms. - Shuichi Sakai; Hiroshi Matsuoka; Yuetsu Kodama; Mitsuhisa Sato; Andrew Shaw; Hideo Hirono; Kazuaki Okamoto; Takashi Yokota (SPDP, 1993)

A prototype router for the massively parallel computer RWC-1. - Takashi Yokota; Hiroshi Matsuoka; Kazuaki Okamoto; Hideo Hirono; Atsushi Hori; Shuichi Sakai (ICCD, 1995)

Time Space Sharing Scheduling and Architectural Support. - Atsushi Hori; Takashi Yokota; Yutaka Ishikawa; Shuichi Sakai; Hiroki Konaka; Munenori Maeda; Takashi Tomokiyo; Jörg Nolte; Hiroshi Matsuoka; Kazuaki Okamoto; Hideo Hirono (JSSPP, 1995)

Reduced Interprocessor-Communication Architecture and its Implementation on EM-4. - Shuichi Sakai; Yuetsu Kodama; Mitsuhisa Sato; Andrew Shaw; Hiroshi Matsuoka; Hideo Hirono; Kazuaki Okamoto; Takashi Yokota (Parallel Comput., 1995)

Multithread execution mechanisms on RICA-1 for massively parallel computation. - Kazuaki Okamoto; Shuichi Sakai; Hiroshi Matsuoka; Takashi Yokota; Hideo Hirono (IEEE PACT, 1996)

Virtual control channel and its application to the massively parallel computer RWC-1. - Takashi Yokota; Hiroshi Matsuoka; Kazuaki Okamoto; Hideo Hirono; Shuichi Sakai (HiPC, 1997)

Configuration of an opportunistic network that incorporates traveling mobile nodes to achieve network delay-insensitive content delivery and location-dependent forwarding knowledge. - Kazuaki Okamoto; Kazumasa Takami (ICTC, 2014)

Routing Based on Information about the Routes of Fixed-Route Traveling Nodes and on Destination Areas Aimed at Reducing the Load on the DTN. - Kazuaki Okamoto; Kazumasa Takami (Future Internet, 2016)