Koh Izumiyama, Tadanori Takimoto, Shotaro Uto. Length of ice load patch on a ship bow in level ice. 10th International Symposium on Practical Design of Ships and other Floating Structures, PRADS 2007. 2007. 2. 1287-1294
Koh Izumiyama, Shigeo Kanada, Shotaro Uto, Natsuhiko Otsuka. Development of a recovery unit for oil in ice. Proceedings of the International Conference on Port and Ocean Engineering under Arctic Conditions, POAC. 2005. 2. 863-872
Koh Izumiyama, Daisuke Wako, Haruhito Shimoda, Shotaro Uto. Ice load measurement on a model ship hull. Proceedings of the International Conference on Port and Ocean Engineering under Arctic Conditions, POAC. 2005. 635-646
Shotaro Uto, Haruhito Shimoda, Koh Izumiyama. Model-ship comparison of propulsive performance of icebreaker 'PM TESHIO' in continuous icebreaking mode. Proceedings of the International Conference on Offshore Mechanics and Arctic Engineering - OMAE. 1997. 4. 225-232
Koh Izumiyama, Shotaro Uto. Ice loading on a compliant indentor. Proceedings of the International Conference on Offshore Mechanics and Arctic Engineering - OMAE. 1997. 4. 431-436
Toshiyuki Kano, Takahiro Majima, Shotaro Uto, Koh Izumiyama. Full scale experiments of patrol vessels of Japan Maritime Safety Agency in the Okhotsk sea ice. Proceedings of the International Conference on Offshore Mechanics and Arctic Engineering - OMAE. 1997. 4. 201-208
Koh Izumiyama, Shotaro Uto, Kenkichi Tamura, Susumu Kishi, Satoru Ishikawa, Hajime Yamaguchi. R & D project of the ice-breaking cargo ship for the Northern Sea Route. Proceedings of the International Conference on Offshore Mechanics and Arctic Engineering - OMAE. 1997. 4. 25-32
IZUMIYAMA K. Ice Resistance of Three Bow Forms for the NSR Cargo Ship. Proc.of INSROP Symposium Tokyo '95. 1995. 459-467
Influence of Compliance of Structure on Ice Load. Proc.of The 12th IAHR Ice Symposium, Trondheim, August, 1994