Improved Measurement of AC-DC Transfer Difference Using a Low-Drift Single-Junction Thermal Converter. - Yasutaka Amagai; Yasuhiro Nakamura (IEEE Trans. Instrum. Meas., 2012)

Low-Frequency Characterization in Thermal Converters Using AC-Programmable Josephson Voltage Standard System. - Yasutaka Amagai; Michitaka Maruyama; Hiroyuki Fujiki (IEEE Trans. Instrum. Meas., 2013)

Improved Electrothermal Simulation for Low-Frequency Characterization of a Single-Junction Thermal Converter. - Yasutaka Amagai; Hiroyuki Fujiki (IEEE Trans. Instrum. Meas., 2014)

Improvements in the Low-Frequency Characteristic and Sensitivity of a Thin-Film Multijunction Thermal Converter in Vacuum. - Yasutaka Amagai; Hiroyuki Fujiki; Koji Shimizume; Kaname Kishino; Shigeru Hidaka (IEEE Trans. Instrum. Meas., 2015)

AC/DC Transfer Technique for Measuring Thomson Coefficient: Toward Thermoelectric Metrology. - Yasutaka Amagai; Atsushi Yamamoto; Megumi Akoshima; Hiroyuki Fujiki; Nobu-hisa Kaneko (IEEE Trans. Instrum. Meas., 2015)

Uncertainty Evaluation of a 10 V RMS Sampling Measurement System Using the AC Programmable Josephson Voltage Standard. - Shih-Fang Chen; Yasutaka Amagai; Michitaka Maruyama; Nobu-hisa Kaneko (IEEE Trans. Instrum. Meas., 2015)

Fabrication of Thin Film Multijunction Thermal Converters With Improved Long-Term Stability. - Hiroyuki Fujiki; Yasutaka Amagai; Koji Shimizume; Kaname Kishino; Shigeru Hidaka (IEEE Trans. Instrum. Meas., 2015)

Extension of AC-DC Transfer Standards From 100 Down to 2 mV Using RVDs. - Hiroyuki Fujiki; Yasutaka Amagai (IEEE Trans. Instrum. Meas., 2017)

Reliable packaging of Josephson voltage standard circuit for cryocooler operation. - Hirotake Yamamori; Michitaka Maruyama; Yasutaka Amagai; Takeshi Shimazaki (IEICE Electron. Express, 2019)

Low-Frequency AC-DC Differences of a Series-Parallel Circuit of Thermal Converters. - Yasutaka Amagai; Hiroyuki Fujiki; Kenjiro Okawa; Nobu-hisa Kaneko (IEEE Trans. Instrum. Meas., 2019)

Establishment of High-Voltage AC-DC Voltage Transfer Standards in 1-100-kHz Range at NMIJ. - Hiroyuki Fujiki; Yasutaka Amagai; Kenjiro Okawa (IEEE Trans. Instrum. Meas., 2019)

A New Phase Difference Measurement System With Differential AC/Single-Ended DC Switching for One TVC. - Tatsuji Yamada; Yasutaka Amagai; Seitaro Kon (IEEE Trans. Instrum. Meas., 2019)

Low-Frequency Characteristics of Silicon-Based High-Current Multijunction Thermal Current Converters Fabricated by Wet Chemical Etching. - Yasutaka Amagai; Stefan Cular; Joseph A. Hagmann; Thomas E. Lipe; Nobu-hisa Kaneko (IEEE Trans. Instrum. Meas., 2021)

Multiusing a TVC Toward Development of TVM-Based Phase Measurement System up to 1 MHz. - Tatsuji Yamada; Yasutaka Amagai (IEEE Trans. Instrum. Meas., 2021)

Mathematical Modeling and Measurement of Low Frequency Characteristics of Single-Junction Thermal Converters. - Vladimir Bubanja; Yasutaka Amagai; Kenjiro Okawa; Nobu-hisa Kaneko (IEEE Trans. Instrum. Meas., 2022)

Signal-to-Noise Ratio Optimization for Planar Multijunction Thermal Converters. - Yasutaka Amagai; Kenjiro Okawa; Norihiko Sakamoto; Nobu-hisa Kaneko (IEEE Trans. Instrum. Meas., 2023)

Effects of Shielding and Guarding Electrodes on Electrostatic-Force Balance Measurements in a Coaxial Cylindrical Capacitor. - Kazuaki Fujita; Nobu-hisa Kaneko; Atsushi Domae; Yasutaka Amagai; Takayasu Fujino; Naoki Kuramoto (IEEE Trans. Instrum. Meas., 2025)