Accuracy evaluation of the optically pumped Cs frequency standard at NRLM. - Ken Hagimoto; Shin-ichi Ohshima; Yasuhiro Nakadan; Yasuki Koga (IEEE Trans. Instrum. Meas., 1999)

Two-way satellite time and frequency transfer networks in Pacific Rim region. - Michito Imae; Mizuhiko Hosokawa; Kuniyasu Imamura; Hirotaka Yukawa; Yasuhisa Shibuya; Noriyuki Kurihara; Peter T. H. Fisk; Malcolm A. Lawn; Zhigang Li; Huanxin Li; Yasuhiro Nakadan; Ken Hagimoto (IEEE Trans. Instrum. Meas., 2001)

Reevaluation of the Optically Pumped Cesium Frequency Standard NRLM-4 With an H-Bend Ring Cavity. - Ken Hagimoto; Yasuki Koga; Takeshi Ikegami (IEEE Trans. Instrum. Meas., 2008)

Preliminary Evaluation of the Cesium Fountain Primary Frequency Standard NMIJ-F2. - Akifumi Takamizawa; Shinya Yanagimachi; Takehiko Tanabe; Ken Hagimoto; Iku Hirano; Ken-ichi Watabe; Takeshi Ikegami; John G. Hartnett (IEEE Trans. Instrum. Meas., 2015)