X. Tian, Y. Yu, F. Gong, L. Ma, J. Cao, S. C. Solomon, P. R. Shreedevi, K. Shiokawa, Y. Otsuka, S.-i. Oyama, and Y. Miyoshi. Ionospheric Modulation by EMIC Wave-Driven Proton Precipitation: Observations and Simulations. Journal of Geophysical Research: Space Physics, volume 128, issue 1, 2023 . K. Hosokawa, S. Taguchi, K. Shiokawa, Y. Otsuka, Y. Ogawa, and M. Nicolls. Global imaging of polar cap patches with dual airglow imagers. Geophys. Res. Lett., volume 41, pages 1-6, 2014 . P. T. Jayachandran, K. Hosokawa, K. Shiokawa, Y. Otsuka, C. Watson, S. C. Mushini, J. W. Macdougall, P. Prikryl, R. Chadwick, and T. D. Kelly. GPS total electron content variations associated with poleward moving Sun-aligned arcs. J. Geophys. Res., volume 117, 2012 . K. Hosokawa, J. I. Moen, K. Shiokawa, and Y. Otsuka. Decay of polar cap patch. J. Geophys. Res., volume 116, 2011 . K. Hosokawa, J. I. Moen, K. Shiokawa, and Y. Otsuka. Motion of polar cap arcs. J. Geophys. Res., volume 116, 2011 . K. Hosokawa, J.-P. St.-Maurice, G. J. Sofko, K. Shiokawa, Y. Otsuka, and T. Ogawa. Reorganization of polar cap patches through shears in the background plasma convection. J. Geophys. Res., volume 115, 2010 . K. Hosokawa, T. Tsugawa, K. Shiokawa, Y. Otsuka, N. Nishitani, T. Ogawa, and M. R. Hairston. Dynamic temporal evolution of polar cap tongue of ionization during magnetic storm. J. Geophys. Res., volume 115, 2010 . K. Hosokawa, K. Shiokawa, Y. Otsuka, T. Ogawa, J.-P. St.-Maurice, G. J. Sofko, and D. A. Andre. Relationship between polar cap patches and field-aligned irregularities as observed with an all-sky airglow imager at Resolute Bay and the PolarDARN radar at Rankin Inlet. J. Geophys. Res., volume 114, 2009 . K. Hosokawa, T. Tsugawa, K. Shiokawa, Y. Otsuka, T. Ogawa, and M. R. Hairston. Unusually elongated, bright airglow plume in the polar cap F region: Is it a tongue of ionization? Geophys. Res. Lett., volume 36, issue 7, 2009 . K. Hosokawa, T. Kashimoto, S. Suzuki, K. Shiokawa, Y. Otsuka, and T. Ogawa. Motion of polar cap patches: A statistical study with all-sky airglow imager at Resolute Bay, Canada. J. Geophys. Res., volume 114, 2009 .