"Ren;Tsunata|Masatsugu;Takemoto|Jun;Imai|Tatsuya;Saito|Tomoyuki;Ueno|","Transverse- and Axial-Flux Permanent Magnet Machine With C-Type SMC Stator: A Solution for Ultra-Flat Applications","IEEE Transactions on Industrial Electronics","0278-0046","2026-04","73","4","5942","5953","isVersionOf https://doi.org/10.1109/tie.2025.3629360","","001643533800001","https://ousar.lib.okayama-u.ac.jp/70446","10.1109/tie.2025.3629360"
    "Ren;Tsunata|Masaki;Kimura|Masatsugu;Takemoto|Jun;Imai|","Development of 50 krpm Ultra-High Speed IPMSM For EV Traction","","","2025-05","","","","","","","","https://ousar.lib.okayama-u.ac.jp/69319",""
    "Ren;Tsunata|Masatsugu;Takemoto|Jun;Imai|Tatsuya;Saito|Tomoyuki;Ueno|","Impact of SMC Property on Axial-Flux Permanent Magnet Machine in Traction Applications","IEEE Transactions on Industry Applications","0093-9994","2025-04-01","61","5","6848","6860","isVersionOf https://doi.org/10.1109/tia.2025.3556657","","001554456300034","https://ousar.lib.okayama-u.ac.jp/69314","10.1109/tia.2025.3556657"
    "Ren;Tsunata|Yu;Ichimura|Masatsugu;Takemoto|Jun;Imai|","Time-Efficient and Practical Design Method for Skewed PMSMs: Integrating Numerical Calculations With Limited 3-D-FEA","IEEE Open Journal of the Industrial Electronics Society","2644-1284","2025-08-15","6","","1370","1386","isVersionOf https://doi.org/10.1109/ojies.2025.3599390","","","https://ousar.lib.okayama-u.ac.jp/69313","10.1109/ojies.2025.3599390"
    "Ren;Tsunata|Masatsugu;Takemoto|","Skewing Technology for Permanent Magnet Synchronous Motors: A Comprehensive Review and Recent Trends","IEEE Open Journal of the Industrial Electronics Society","2644-1284","2024","5","","1251","1273","isVersionOf https://doi.org/10.1109/OJIES.2024.3491295","","001370102500001","https://ousar.lib.okayama-u.ac.jp/67879","10.1109/OJIES.2024.3491295"
    "Ren;Tsunata|Masatsugu;Takemoto|Jun;Imai|Tatsuya;Saito|Tomoyuki;Ueno|","Superior Efficiency Under PWM Harmonic Current in an Axial-Flux PM Machine for HEV/EV Traction: Comparison With a Radial-Flux PM Machine","IEEE Transactions on Industry Applications","0093-9994","2024-09","60","5","6736","6751","isVersionOf https://doi.org/10.1109/tia.2024.3410241","","001319511900110","https://ousar.lib.okayama-u.ac.jp/67661","10.1109/tia.2024.3410241"
    "Ren;Tsunata|Kosuke;Izumiya|Masatsugu;Takemoto|Jun;Imai|Tatsuya;Saito|Tomoyuki;Ueno|","Designing and Prototyping an Axial-Flux Machine Using Ferrite PM and Round Wire for Traction Applications: Comparison With a Radial-Flux Machine Using Nd-Fe-B PM and Rectangular Wire","IEEE Transactions on Industry Applications","0093-9994","2024-03-01","60","3","3934","3949","isVersionOf https://doi.org/10.1109/tia.2024.3371959","","001230196400039","https://ousar.lib.okayama-u.ac.jp/67472","10.1109/tia.2024.3371959"
    "Ren;Tsunata|Masatsugu;Takemoto|Jun;Imai|Tatsuya;Saito|Tomoyuki;Ueno|","A Proposal of an Axial-Flux Permanent-Magnet Machine Employing SMC Core With Tooth-Tips Constructed by One-Pressing Process: Improving Torque and Manufacturability","IEEE Access","2169-3536","2023-10-04","11","","109435","109447","isVersionOf https://doi.org/10.1109/ACCESS.2023.3321829","","001086321100001","https://ousar.lib.okayama-u.ac.jp/66014","10.1109/ACCESS.2023.3321829"
    "Ren;Tsunata|Masatsugu;Takemoto|Jun;Imai|Tatsuya;Saito|Tomoyuki;Ueno|","Comparison of Thermal Characteristics in Various Aspect Ratios for Radial-Flux and Axial-Flux Permanent Magnet Machines","IEEE Transactions on Industry Applications","0093-9994","2023-03-13","59","3","3353","3367","isVersionOf https://doi.org/10.1109/tia.2023.3255845","","001061319100099","https://ousar.lib.okayama-u.ac.jp/65989","10.1109/tia.2023.3255845"
    "Ren;Tsunata|Keito;Yokomichi|Masatsugu;Takemoto|Jun;Imai|","Design and Analysis of Hybrid-Excitation Variable Flux Memory Motor for Traction Applications: Improving Output Power in High-Speed Area During Six-Step Operation Mode","IEEE Access","2169-3536","2023-08-03","11","","82024","82036","isVersionOf https://doi.org/10.1109/ACCESS.2023.3301809","","001047221300001","https://ousar.lib.okayama-u.ac.jp/65768","10.1109/ACCESS.2023.3301809"
    "Xianji;Tao|Masatsugu;Takemoto|Ren;Tsunata|Satoshi;Ogasawara|","Reduction in Eddy Current Loss of Special Rectangular Windings in High-Torque IPMSM Used for Wind Generator","IEEE Access","2169-3536","2023-01-11","11","","4740","4751","isVersionOf https://doi.org/10.1109/ACCESS.2023.3236105","","","https://ousar.lib.okayama-u.ac.jp/64329","10.1109/ACCESS.2023.3236105"
    "Xianji;Tao|Masatsugu;Takemoto|Ren;Tsunata|Satoshi;Ogasawara|","Novel Rotor Structure Employing Large Flux Barrier and Disproportional Airgap for Enhancing Efficiency of IPMSM Adopting Concentrated Winding Structure","IEEE Access","2169-3536","2022-12-28","11","","2848","2862","isVersionOf https://doi.org/10.1109/access.2022.3232843","","000912337500001","https://ousar.lib.okayama-u.ac.jp/64326","10.1109/access.2022.3232843"