Yasutaka Amagai

17 papers Journal 17
YearRankTypeTitle / Venue / Authors
2025 J jnl
Effects of Shielding and Guarding Electrodes on Electrostatic-Force Balance Measurements in a Coaxial Cylindrical Capacitor.
IEEE Trans. Instrum. Meas.
Kazuaki Fujita, Nobu-hisa Kaneko, Atsushi Domae, Yasutaka Amagai, Takayasu Fujino, Naoki Kuramoto
2023 J jnl
Signal-to-Noise Ratio Optimization for Planar Multijunction Thermal Converters.
IEEE Trans. Instrum. Meas.
Yasutaka Amagai, Kenjiro Okawa, Norihiko Sakamoto, Nobu-hisa Kaneko
2022 J jnl
Mathematical Modeling and Measurement of Low Frequency Characteristics of Single-Junction Thermal Converters.
IEEE Trans. Instrum. Meas.
Vladimir Bubanja, Yasutaka Amagai, Kenjiro Okawa, Nobu-hisa Kaneko
2021 J jnl
Low-Frequency Characteristics of Silicon-Based High-Current Multijunction Thermal Current Converters Fabricated by Wet Chemical Etching.
IEEE Trans. Instrum. Meas.
Yasutaka Amagai, Stefan Cular, Joseph A. Hagmann, Thomas E. Lipe, Nobu-hisa Kaneko
2021 J jnl
Multiusing a TVC Toward Development of TVM-Based Phase Measurement System up to 1 MHz.
IEEE Trans. Instrum. Meas.
Tatsuji Yamada, Yasutaka Amagai
2019 J jnl
A New Phase Difference Measurement System With Differential AC/Single-Ended DC Switching for One TVC.
IEEE Trans. Instrum. Meas.
Tatsuji Yamada, Yasutaka Amagai, Seitaro Kon
2019 J jnl
Establishment of High-Voltage AC-DC Voltage Transfer Standards in 1-100-kHz Range at NMIJ.
IEEE Trans. Instrum. Meas.
Hiroyuki Fujiki, Yasutaka Amagai, Kenjiro Okawa
2019 J jnl
Low-Frequency AC-DC Differences of a Series-Parallel Circuit of Thermal Converters.
IEEE Trans. Instrum. Meas.
Yasutaka Amagai, Hiroyuki Fujiki, Kenjiro Okawa, Nobu-hisa Kaneko
2019 J jnl
Reliable packaging of Josephson voltage standard circuit for cryocooler operation.
IEICE Electron. Express
Hirotake Yamamori, Michitaka Maruyama, Yasutaka Amagai, Takeshi Shimazaki
2017 J jnl
Extension of AC-DC Transfer Standards From 100 Down to 2 mV Using RVDs.
IEEE Trans. Instrum. Meas.
Hiroyuki Fujiki, Yasutaka Amagai
2015 J jnl
AC/DC Transfer Technique for Measuring Thomson Coefficient: Toward Thermoelectric Metrology.
IEEE Trans. Instrum. Meas.
Yasutaka Amagai, Atsushi Yamamoto, Megumi Akoshima, Hiroyuki Fujiki, Nobu-hisa Kaneko
2015 J jnl
Fabrication of Thin Film Multijunction Thermal Converters With Improved Long-Term Stability.
IEEE Trans. Instrum. Meas.
Hiroyuki Fujiki, Yasutaka Amagai, Koji Shimizume, Kaname Kishino, Shigeru Hidaka
2015 J jnl
Improvements in the Low-Frequency Characteristic and Sensitivity of a Thin-Film Multijunction Thermal Converter in Vacuum.
IEEE Trans. Instrum. Meas.
Yasutaka Amagai, Hiroyuki Fujiki, Koji Shimizume, Kaname Kishino, Shigeru Hidaka
2015 J jnl
Uncertainty Evaluation of a 10 V RMS Sampling Measurement System Using the AC Programmable Josephson Voltage Standard.
IEEE Trans. Instrum. Meas.
Shih-Fang Chen, Yasutaka Amagai, Michitaka Maruyama, Nobu-hisa Kaneko
2014 J jnl
Improved Electrothermal Simulation for Low-Frequency Characterization of a Single-Junction Thermal Converter.
IEEE Trans. Instrum. Meas.
Yasutaka Amagai, Hiroyuki Fujiki
2013 J jnl
Low-Frequency Characterization in Thermal Converters Using AC-Programmable Josephson Voltage Standard System.
IEEE Trans. Instrum. Meas.
Yasutaka Amagai, Michitaka Maruyama, Hiroyuki Fujiki
2012 J jnl
Improved Measurement of AC-DC Transfer Difference Using a Low-Drift Single-Junction Thermal Converter.
IEEE Trans. Instrum. Meas.
Yasutaka Amagai, Yasuhiro Nakamura