Kohei Nishimura, Hitoshi Shimasaki. A circularly polarized antenna with an aperture of a half-cylindrical cavity and a quarter-wavelength slot. 2022 Asia-Pacific Microwave Conference (APMC). 2022
S. Suzuki, H. Shimasaki. 920MHz band stub loaded helix buried in the ground. 2021 International Conference on Emerging Technologies for Communications. 2021
Naoki Okada, Shuji Koshimizu, Hitoshi Shimasaki. Helical antennas in 920-MHz band for wireless sensor nodes under the ground. 2020 International Symposium on Antennas and Propagation (ISAP). 2021. 325-326
Masaru Hasegawa, Shota Sodenaga, Hitoshi Shimasaki. An annular patch circularly polarized antenna in 920-MHz band. 2020 International Symposium on Antennas and Propagation (ISAP). 2021. 563-564
Y. Nishi, H. Shimasaki. A dual-band PIFA using a flexible substrate. 2020 International Conference on Emerging Technologies for Communications. 2020