| 2024 | IECON | Basic Investigation of an IPMSM Employing Rotor Skew For Enhancing Output Power Under Field Weakening Control. | Yu Ichimura, Ren Tsunata, Masatsugu Takemoto, Jun Imai |
| 2022 | IECON | Examination of the Characteristics of a Hybrid Excitation Motor with Field Winding on a Rotor for Electric Vehicle and Hybrid Vehicle Traction. | Ryusyo Nakazawa, Masatsugu Takemoto, Satoshi Ogasawara, Ren Tsunata, Koji Orikawa |
| 2022 | IECON | Dividing Repulsion Permanent Magnets for Enhancing Suspension Force Characteristics in a 1-axis Active Control Type Magnetic Levitation Pump. | Koki Terada, Masatsugu Takemoto, Ren Tsunata, Jun Imai |
| 2020 | IECON | An Isolated AC/DC Converter Using a Matrix Converter: A Feedback Control Method Considering the Non-linearity of a Diode Rectifier. | Wataru Kodaka, Satoshi Ogasawara, Koji Orikawa, Masatsugu Takemoto, Hiroyuki Tokusaki |
| 2019 | IECON | A Frequency Multiplying Circuit Containing a High-frequency Output Inverter and an Impedance Matching Transformer. | Koji Orikawa, Satoshi Ogasawara, Masatsugu Takemoto, Jun-ichi Itoh |
| 2019 | IECON | A Proposal of Ultra-Flat Axial Gap Motor Employing C-type SMC Core. | Ren Tsunata, Masatsugu Takemoto, Satoshi Ogasawara, Tomoyuki Ueno, Tatsuya Saitoh |
| 2017 | IECON | Investigation of a 5-axis active control type magnetic suspension pump capable of generating thrust suspension force in both positive and negative direction with only one electromagnet. | Ryuhei Okumura, Masatsugu Takemoto, Satoshi Ogasawara, Masao Hiragushi |
| 2013 | IECON | Ferrite-magnet spoke-type IPMSM with W-shaped magnet placement. | Kazuya Chiba, Masatsugu Takemoto, Satoshi Ogasawara, Woo Gyong Yim |