| 2022 | IGARSS | Relationships Between the Flowering Date of Cherry Blossoms in Japan and Eight-Day Land Surface Temperature Derived from GCOM-C/SGLI. | Takashi Nonaka, Tomohito Asaka, Toshiro Sugimura, Keishi Iwashita |
| 2022 | IGARSS | Evaluation of Interpolation Methods for Geonet Data Used in Interferometric Synthetic Aperture Radar. | Tomohito Asaka, Takashi Nonaka, Toshiro Sugimura, Keishi Iwashita |
| 2020 | IGARSS | Estimation of Reinforced Slope Dynamics Using ALOS-2/ PALSAR-2 and Validation by Terrestrial Laser Scanner. | Tomohito Asaka, Takashi Nonaka, Keishi Iwashita, Yuuki Uchida, Toshiro Sugimura |
| 2019 | IGARSS | The Relationships between Errors of Dem and the Height of Ambiguity of Sentinel-1. | Takashi Nonaka, Tomohito Asaka, Keishi Iwashita, Fumitaka Ogushi |
| 2019 | IGARSS | Evaluation of Reinforced Slope Dynamics Using ALOS-2/PALSAR-2. | Tomohito Asaka, Takashi Nonaka, Keishi Iwashita, Sasayoshi Aoyama, Toshiro Sugimura |
| 2017 | IGARSS | Estimation of phase noise by time series analysis of ALOS-2 PALSAR-2 data. | Takashi Nonaka, Tomohito Asaka, Keishi Iwashita, Fumitaka Ogushi |
| 2013 | IGARSS | Extraction of flooded areas due to the 2011 central Thailand flood using aster and TerraSAR-X data. | Fumio Yamazaki, Jun Shimakage, Wen Liu, Takashi Nonaka, Tadashi Sasagawa |
| 2013 | IGARSS | Estimation of three-dimensional crustal movements from mutli-temporal TerraSAR-X intensity images. | Wen Liu, Fumio Yamazaki, Takashi Nonaka, Tadashi Sasagawa |
| 2012 | IGARSS | Activities of the SAR application research committee of Japan. | Takashi Nonaka, Tadashi Sasagawa |
| 2011 | IGARSS | Validation of four-component decomposition with rotated coherency matrix of TerraSAR-X. | Toshifumi Hiramatsu, Takashi Nonaka, Takashi Shibayama |
| 2009 | IGARSS | DEM Production Utilizing Stereo Technology of TerraSAR-X Data. | Takashi Nonaka, Tomohiro Hayakawa, Stephen Griffiths, Bryan Mercer |
| 2007 | IGARSS | A comparison of the methods for the urban land cover change detection by high-resolution SAR data. | Takashi Nonaka, Takashi Shibayama, Hiroko Umakawa, Seiho Uratsuka |
| 2004 | IGARSS | Relationships between ice breakup dates on the Eurasian continent and local air temperature. | Takashi Nonaka, Tsuneo Matsunaga, Akira Hoyano |