| 2020 | IGARSS | Experimental Study on Along Track Target Velocity Estimation for Multiple Aperture SAR-MTI Configuration. | Kei Suwa, Toshio Wakayama |
| 2013 | IGARSS | Image based approach for target detection and robust target velocity estimation method for multi-channel SAR-GMTI. | Kei Suwa, Ryuhei Takahashi, Toshio Wakayama, Shohei Nakamura, Masafumi Iwamoto |
| 2013 | IGARSS | An experiment of azimuth ambiguity suppression by multiple receiver apertures with airborne Ku-band synthetic aperture radar. | Masayoshi Tsuchida, Kei Suwa, Kazuhiko Yamamoto, Toshio Wakayama, Hideki Hasegawa, Kei Hayashi, Jun Endo, Yosuke Nakano |
| 2011 | IGARSS | An experimental study of enhancement of the cross-range resolution of ISAR imaging using ISDB-T digital TV based passive bistatic radar. | Shohei Nakamura, Kei Suwa, Shinichi Morita, Kazuhiko Yamamoto, Toshio Wakayama, Tadashi Oshima, Ryoji Maekawa, Shoji Matsuda |
| 2011 | IGARSS | A study on the resolution limit of polarimetric radar and the performance of polarimetric bandwidth extrapolation technique. | Kei Suwa, Toshio Wakayama, Masafumi Iwamoto |
| 2010 | IGARSS | ISAR imaging of an aircraft target USING ISDB-T digital TV based passive bistatic radar. | Kei Suwa, Shohei Nakamura, Shinichi Morita, Toshio Wakayama, Hisakazu Maniwa, Tadashi Oshima, Ryoji Maekawa, Shoji Matsuda, Takanori Tachihara |
| 2009 | IGARSS | Estimation of Target Motion and 3D Target Geometry using Multistatic ISAR Movies. | Kei Suwa, Toshio Wakayama, Masafumi Iwamoto |