– Daigo Shiraishi, Wenru Zhang, Ryuichi Shibasaki, Yesim Elhan Kayalar, Examining container terminal efficiency with diverse data sources: Vessel, truck, and container turnaround times in Japanese terminals, Logistics, 2026 (accepted) doi:

– Samer Hassan Okasha, Yujiro Wada, Ryuichi Shibasaki, Forecasting bunker price using deep learning and dimensionality reduction, Maritime Business Review, 2026 (accepted) doi: 10.1108/MABR-12-2024-0093

– Chathumi Ayanthi Kavirathna, Ryuichi Shibasaki, A decision-support model of icebreaker prepositioning for northern sea route navigation: A weighted-demand approach, Maritime Transport Research, 10, 100147, 2026 doi: 10.1016/j.martra.2025.100147

– Wenru Zhang, Ryuichi Shibasaki, Satellite-AIS Fusion for Container Terminal Analytics: Towards Digital Port Operations in Tokyo’s Ohi Terminals, 2025 IEEE International Conference on Big Data (IEEE BigData 2025), 8−11 December 2025, Macau, China

– Kenta Kowatari, Ryuichi Shibasaki, Schedule Recovery Strategies in Container Liner Shipping Networks Using Multi-Agent Simulations, 2025 IEEE International Conference on Big Data (IEEE BigData 2025), 8−11 December 2025, Macau, China

– Daigo Shiraishi, Ryuichi Shibasaki, Wenru Zhang, Yesim Elhan-Kayalar, Digital port integration and terminal efficiency: Evidence from vessel, truck, and container turnaround times in Japanese container terminals, ADB Economics Working Paper Series, No.826, December 2025, Available at SSRN doi: 10.2139/ssrn.5843762

– Daigo Shiraishi, Ryuichi Shibasaki, Wenru Zhang, Yesim Elhan-Kayalar, Digital port integration and terminal efficiency: Evidence from the implementation of online truck booking systems in Japanese container terminals, ADB Economists’ Forum, 21-23 January 2026, Manila, Philippines (online) [invited]

– Ryuichi Shibasaki, Global logistics network simulation modelling and big data analysis, Special Seminar at Liverpool Logistics, Offshore and Marine Research Institute (LOOM), Liverpool John Moores University, 7 January 2026, Liverpool, UK [invited]

– Wenru Zhang, Deep Learning-based Fusion Analysis of Satellite Image and Ship AIS Data, The 9th International Forum for Young Scholars, 27 December 2025, Wuhan, China [Invited]

– Daigo Shiraishi, Ryuichi Shibasaki, Wenru Zhang, Yesim Elhan-Kayalar, Digital port integration and terminal efficiency: Evidence from the implementation of online truck booking systems in Japanese container terminals, 20th Economic Association of East Asia, 9 November 2025, Manila, Philippines

Congratulations!

https://www.t.u-tokyo.ac.jp/en/topics/tp2025-11-10-001

– Liluxin Chai, Ryuichi Shibasaki, Ziaul Haque Munim, Global Vehicle Carrier Network and Trade Analysis Using AIS Data, International Conference on Industrial Logistics, 30 October–2 November 2025, Tokyo, Japan

– Ryuichi Shibasaki, Strengthening Multimodal Corridors for Trade and Transit: Middle Corridor Simulation using GLINS Model, 4th ITF Regional High-Level Dialogue for Asia, 11 November 2025, Tashkent, Uzbekistan [invited]

– Liluxin Chai, Ryuichi Shibasaki, Classifying Functional Roles of Ports and trade analysis in Vehicle Carrier Shipping Using AIS Data, Biannual Conference on Infrastructure Planning and Management, JSCE, 72, 12-07, 22−24 November 2025, Fukui, Japan

– Yiran Sun, Ryuichi Shibasaki, Hiroyuki Miyazaki, Crane Operation Status Recognition from Low-Resolution Satellite Imagery for Port Efficiency Assessment, the Annual Autumn Meeting of The Japan Society of Naval Architects and Ocean Engineers (JASNAOE), 41, 2025A-OS5-8, 251−261, 17−18 November 2025, Himeji, Japan

– Yuki Inoue, Ryuichi Shibasaki, Koki Kawachi, Chathumi Ayanthi Kavirathna, Route selection simulations on the global intermodal transport network considering Arctic shipping, 8th International Symposium on Arctic Research, 28−31 October 2025, Hachioji, Japan

Project Assistant Professor

Tran, Thi Thu Trang

Project Researchers

Sui, Zhongyi

Doctor Course Students

Zhang, Wenru

Doctoral Research Students

Zheng, Huixuan

Master Course Students

Kaya, Hisaki

Megantara, Rangga Chrisna

Xiao, Jiankun

Guest Research Students

Friedrich, Kai Shozo

– Honomi Kashihara, Ryuichi Shibasaki, Ichio Motono, Tsuyoshi Otake, Estimation of regional GDP in Cambodia using nighttime light data, Journal of the Eastern Asia Society for Transportation Studies (accepted)

– Akihisa Konno, Kazutaka Tateyama, Junji Sawamura, Toshihiro Ozeki, Takatoshi Matsuzawa, Ryuichi Shibasaki, Shinichi Yamaguchi, Sustainable arctic sea routes in a rapidly changing environment, Polar Science, 45, 101258, 2025 doi: 10.1016/j.polar.2025.101258

– Honomi Kashihara, Ryuichi Shibasaki, Ichio Motono, Tsuyoshi Otake, Estimation of Regional GDP in Cambodia Using Nighttime Light Data, 16th International Conference of Eastern Asia Society for Transportation Studies (EASTS), 1−3 September 2025, Surakarta, Indonesia

– Daigo Shiraishi, Ryuichi Shibasaki, Wenru Zhang, Yesim Elhan-Kayalar, Digital port integration and terminal efficiency: Evidence from the implementation of online truck booking systems in Japanese container terminals, 16th International Conference of Eastern Asia Society for Transportation Studies (EASTS), 1−3 September 2025, Surakarta, Indonesia

– Russell G. Thompson, Ryuichi Shibasaki, Masoud Kahalimoghadam, M. Pournader, Geoff Featherstone, Wenru Zhang, Zhanhong Wu, Enhancing the performance of global logistics networks using the Physical Internet, 16th International Conference of Eastern Asia Society for Transportation Studies (EASTS), 1−3 September 2025, Surakarta, Indonesia

– Trang Tran, Ryuichi Shibasaki, Global Trade under Global Warming: The case of Arctic Shipping, Outlook 2035: Green Arctic Shipping in the Digital-Intelligent Era, 15 July 2025, Shaghai, China

– Trang Tran, Seijiro Morimoto, Ryuichi Shibasaki, Modelling global and regional economic impacts of greenhouse gas pricing on international shipping and policy implications, Ocean & Coastal Management, 269, 107804, 2025 doi:10.1016/j.ocecoaman.2025.107804

– Ryuichi Shibasaki, Kenta Kowatari, Daigo Shiraishi, Zhanhong Wu, Yoshiyasu Han, Impact Assessment of the Red Sea Crisis on Global Maritime Logistics: Network Analysis and Simulations, Annual Conference of International Association of Maritime Economists (IAME 2025), 25−27 June 2025, Bergen, Norway

– Trang Tran, Ryuichi Shibasaki, Arctic Shipping and Global Greenhouse Gas Pricing: A Simulation with Computational General Equilibrium and Simple Climate Model, Annual Conference of International Association of Maritime Economists (IAME 2025), 25−27 June 2025, Bergen, Norway

– Liluxin Chai, Ryuichi Shibasaki, Zhanhong Wu, Global Vehicle Carrier Network and Trade Analysis Using AIS Data, Annual Conference of International Association of Maritime Economists (IAME 2025), 25−27 June 2025, Bergen, Norway

– Yota Sasada, Yujiro Wada, Ryuichi Shibasaki, Machine Learning-Based Short-Term Forecasting of Coal Port Throughput Using AIS Data, Annual Conference of International Association of Maritime Economists (IAME 2025), 25−27 June 2025, Bergen, Norway

– Samer Okasha, Yujiro Wada, Ryuichi Shibasaki, Hegazy Zaher, Predicting Crude Oil and Bunker Prices using Deep Neural Network and Dimensionality Reduction, Annual Conference of International Association of Maritime Economists (IAME 2025), 25−27 June 2025, Bergen, Norway

– Eisuke Watanabe, Kenta Kowatari, Ryuichi Shibasaki, Modeling Schedule Recovery of Container Liner Services and Policy Simulations Using AIS Data, Annual Conference of International Association of Maritime Economists (IAME 2025), 25−27 June 2025, Bergen, Norway

– Thomas Ramminger, Trang Tran, Ryuichi Shibasaki, Assessing the effects of trade disruptions in the Strait of Malacca on the Japanese economy, Annual Conference of International Association of Maritime Economists (IAME 2025), 25−27 June 2025, Bergen, Norway

– Ryuichi Shibasaki, Hibito Magota, Zhanghong Wu, Simulating International Maritime Container Flows in the Pacific Islands Countries for Maritime Transport Policy Analysis, Bilateral Workshop on Port Technology between Fiji and Japan, 12 June 2025, Suva, Fiji [invited]

– Ryuichi Shibasaki, Hibito Magota, Zhanghong Wu, Simulating International Maritime Container Flows in the Pacific Islands Countries for Maritime Transport Policy Analysis, Dissemination seminar on port resilience strategy for Advisory Services for Port Operations and Maintenance Policies in the Pacific Region, 10−11 June 2025, Suva, Fiji [invited]

– Chathumi Ayanthi Kavirathna, Ryuichi Shibasaki, Wenyi Ding, Optimum routing for dry bulk voyages with the effect of an emission trading system: NSR vs SCR, Cleaner Logistics and Supply Chain, 15, 100224, 2025 doi: 10.1016/j.clscn.2025.100224

Secretary

Yokozawa, Misako

– Trang Tran, Scenario-Based Trade Forecast with Computational General Equilibrium Model Considering the Effects of Global Warming, 5th International Symposium on Sustainable Logistics, 15−16 May 2025, Mersin, Turkey (online) [invited] (keynote speech)

– Wenyi Ding, Ryuichi Shibasaki, Emission policies in the transport market considering hydrogen-powered vessels, 5th International Symposium on Sustainable Logistics, 15−16 May 2025, Mersin, Turkey (online)

– Yiran Sun, Hiroyuki Miyazaki, Ryuichi Shibasaki, Cargo handling performance analysis by combining satellite-derived crane operational data and AIS, 5th International Symposium on Sustainable Logistics, 15−16 May 2025, Mersin, Turkey (online)

– Yuki Inoue, Ryuichi Shibasaki, Route selection simulations on the global intermodal transport network considering Arctic shipping, WCTRS SIGA2 Conference 2025, 7−9 May 2025, Antwerp, Belgium

Master Course Students

Han, Yoshiyasu
Ushikubo, Ryohei
Zhong, Yuan

Undergraduate Students

Kanzaki, Ichiho

Magota, Hibito

Mukai, Taiju

Part-time Students

Thomas Ramminger

Zhang, Wenru

– Trang Thi Thu Tran, Liwen Murong, Lei Liu, Ryuichi Shibasaki, AIS-based geospatial analysis on spot contract of dry bulk carriers, Research in Transportation Business & Management, 59, 101315, 2025 doi: 10.1016/j.rtbm.2025.101315

– Yuki Inoue, Ryuichi Shibasaki, Hirofumi Arai, Impact of the Middle Corridor: Simulation analysis of infrastructure investment in Central Asia and the Caucasus, In: D. Azhgaliyeva, R. Mogilevskii, and R. Akbar eds., Unlocking Transport Connectivity in the Caucasus and Central Asia, Asian Development Bank Institute, Chpater 5, pp. 99−123, 2024.11

– Eisuke Watanabe, Sukanya Samanta, Kenta Kowatari, Ryuichi Shibasaki, On Vessel Schedule Delay and Its Recoveries in Liner Services Using AIS Data, 2024 IEEE International Conference on Big Data (IEEE BigData 2024), SP05214, 15−18 December 2024, Washington DC, USA doi: 10.1109/BigData62323.2024.10826041

– Huixuan Zheng, Chenbo Zhao, Yoshiki Ogawa, Ryuichi Shibasaki, Naoya Fujiwara, Mobility Patterns of Trailers Around International Container Terminals:A Case Study in Sendai Port, Japan, 2024 IEEE International Conference on Big Data (IEEE BigData 2024), SP05213, 15−18 December 2024, Washington DC, USA doi: 10.1109/BigData62323.2024.10825814

– Ryuichi Shibasaki, Global logistics intermodal network simulation modelling and its application to the Eurasian Continent, Maritime and Port Logistics of the XXV Material Handling, Constructions and Logistics International Conference, 12−14 December 2024, Bar, Montenegro [invited] (keynote speech)

– Ryuichi Shibasaki (moderator), Shigeyoshi Nakayama, Alan Kiel Irlanda, Mary Jean Pacheco, Marc Anthony D. Dizon, Panel Discussion, Aiming for Advance Logistics in Philippine -Improvement of Logistics in ASEAN Island Region – (Part1), JTTRI-AIRO Logistics Symposium, 19 February 2025, Manila, The Philippines

– Trang Tran, Ryuichi Shibasaki, Arctic shipping and global greenhouse gas pricing: A simulation with computational general equilibrium and simple climate model, The 39th International Symposium on the Okhotsk Sea & Polar Oceans, I-14, 16−19 February 2025, Mombetsu, Japan

– Trang Tran, Ryuichi Shibasaki, Computational General Equilibrium Model with Maritime Route Choice, 2024 KIEA International Winter Conference, 23 December 2024, Seoul, South Korea

– Trang Tran, Ryuichi Shibasaki, Arctic Shipping and Global Greenhouse Gas Pricing, The Applied Regional Science Conference Annual Meeting, 38, 30 November−1 December 2024, Fukuoka, Japan

– Trang Thi Thu Tran, Ryuichi Shibasaki, Recent developments in spot contracts for dry bulk carriers: A geospatial analysis using AIS data, the Annual Autumn Meeting of The Japan Society of Naval Architects and Ocean Engineers (JASNAOE), 39, 2024A-OS9-5, 445−452, 21−22 November 2024

– Yiran Sun, Ryuichi Shibasaki, Co-opetition analysis between dry ports and seaports in China, Biannual Conference on Infrastructure Planning and Management, JSCE, 70, 15−17 November 2024

– Trang Tran, Ryuichi Shibasaki, Arctic Shipping and Global Greenhouse Gas Pricing, International Workshop for Economic Impacts of Arctic Shipping with Sustainability, Arctic Challenge for Sustainability (ArCS) II & The University of Tokyo, 28 November 2024, Tokyo, Japan

– Wenyi Ding, Ryuichi Shibasaki, On the emission tax for shipping: considering the Northern Sea Route, International Workshop for Economic Impacts of Arctic Shipping with Sustainability, Arctic Challenge for Sustainability (ArCS) II & The University of Tokyo, 28 November 2024, Tokyo, Japan

– Yuki Inoue, Ryuichi Shibasaki, Route selection simulations on the global intermodal transport network considering Arctic shipping, International Workshop for Economic Impacts of Arctic Shipping with Sustainability, Arctic Challenge for Sustainability (ArCS) II & The University of Tokyo, 28 November 2024, Tokyo, Japan

– Chathumi Ayanthi Kavirathna, Ryuichi Shibasaki, NSR Navigation with Optimum Prepositioning and Allocations of Icebreakers, International Workshop for Economic Impacts of Arctic Shipping with Sustainability, Arctic Challenge for Sustainability (ArCS) II & The University of Tokyo, 28 November 2024, Tokyo, Japan

Zhang, Keyang (D1), Tolekov, Zangar (visiting doctor student), Wu, Zhanhong (M1)

– Wenyi Ding, Ryuichi Shibasaki, Chathumi Ayanthi Kavirathna, How should mode competitiveness and profit be balanced in maritime transport? – Vessel speed optimization approach including Northern Sea Route, Maritime Policy & Management

– Young Lee, Ahmad Altaweel, Trang Tran, Kazuhito Mine, Yide Yang, Jang-Sok Yoon, Ryuichi Shibasaki, Hiroaki Wagatsuma, Examining Economic Impacts of Growth Rate and Tariff Reductions in the Greater Mekong Subregion: Effects of Data Aggregation Levels in GTAP Model, 18th International Conference on Innovative Computing, Information and Control (ICICIC2024), 10−13 September 2024, Qinhuangdao, China