Naoki Kuramoto

26 papers Journal 26
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
2022 J jnl
Finite-Element Simulation of Effect of Surface Roughness of Coaxial Cylindrical Electrodes on Small Mass and Force Measurements Using Voltage Balance Apparatus.
IEEE Trans. Instrum. Meas.
Kazuaki Fujita, Naoki Kuramoto
2022 J jnl
Investigating Stability of Si Sphere Surface Layer in Ambient-Vacuum Cyclic Measurements Using Ellipsometry.
IEEE Trans. Instrum. Meas.
Kazuaki Fujita, Kenichi Fujii, Lulu Zhang, Yasushi Azuma, Shigeki Mizushima, Naoki Kuramoto
2021 J jnl
Determination of Defect Concentrations in ²⁸Si Crystals Using EPR for the Realization of the Kilogram.
IEEE Trans. Instrum. Meas.
Shigeki Mizushima, Naoki Kuramoto, Takahide Umeda
2021 J jnl
Reproducibility of the Realization of the Kilogram Based on the Planck Constant by the XRCD Method at NMIJ.
IEEE Trans. Instrum. Meas.
Naoki Kuramoto, Shigeki Mizushima, Lulu Zhang, Kazuaki Fujita, Sho Okubo, Hajime Inaba, Yasushi Azuma, Akira Kurokawa, Yuichi Ota, Kenichi Fujii
2021 J jnl
Verifying the Reliability of a Voltage Balance Apparatus to Measure Small Mass and Force Standards at NMIJ.
IEEE Trans. Instrum. Meas.
Kazuaki Fujita, Kenichi Fujii, Yasuyuki Yamamoto, Yuichi Ota, Naoki Kuramoto
2021 J jnl
Volume Measurement of a
IEEE Trans. Instrum. Meas.
Yuichi Ota, Sho Okubo, Hajime Inaba, Naoki Kuramoto
2021 J jnl
XPS Analysis of a
IEEE Trans. Instrum. Meas.
Lulu Zhang, Naoki Kuramoto, Akira Kurokawa
2019 J jnl
Electron Paramagnetic Resonance Study on
IEEE Trans. Instrum. Meas.
Shigeki Mizushima, Naoki Kuramoto, Kenichi Fujii, Takahide Umeda
2019 J jnl
Volume Measurement of a
IEEE Trans. Instrum. Meas.
Naoki Kuramoto, Lulu Zhang, Kazuaki Fujita, Sho Okubo, Hajime Inaba, Kenichi Fujii
2017 J jnl
Mass Measurement of
IEEE Trans. Instrum. Meas.
Shigeki Mizushima, Naoki Kuramoto, Lulu Zhang, Kenichi Fujii
2017 J jnl
Realization of the Kilogram Based on the Planck Constant at NMIJ.
IEEE Trans. Instrum. Meas.
Naoki Kuramoto, Lulu Zhang, Shigeki Mizushima, Kazuaki Fujita, Yasushi Azuma, Akira Kurokawa, Kenichi Fujii
2017 J jnl
Surface Layer Analysis of a
IEEE Trans. Instrum. Meas.
Kazuaki Fujita, Naoki Kuramoto, Yasushi Azuma, Shigeki Mizushima, Kenichi Fujii
2017 J jnl
Thickness Measurement of Oxide and Carbonaceous Layers on a
IEEE Trans. Instrum. Meas.
Lulu Zhang, Naoki Kuramoto, Yasushi Azuma, Akira Kurokawa, Kenichi Fujii
2017 J jnl
Uniformity Evaluation of Lattice Spacing of
IEEE Trans. Instrum. Meas.
Atsushi Waseda, Hiroyuki Fujimoto, Xiao-Wei Zhang, Naoki Kuramoto, Kenichi Fujii
2015 J jnl
Homogeneity Characterization of Lattice Spacing of Silicon Single Crystals.
IEEE Trans. Instrum. Meas.
Atsushi Waseda, Hiroyuki Fujimoto, Xiao-Wei Zhang, Naoki Kuramoto, Kenichi Fujii
2015 J jnl
Improvements to the Volume Measurement of
IEEE Trans. Instrum. Meas.
Naoki Kuramoto, Yasushi Azuma, Hajime Inaba, Feng-Lei Hong, Kenichi Fujii
2015 J jnl
Mass Measurement of 1-kg Silicon Spheres for Determination of the Avogadro and Planck Constants.
IEEE Trans. Instrum. Meas.
Shigeki Mizushima, Naoki Kuramoto, Kazunaga Ueda, Kenichi Fujii
2015 J jnl
Surface Layer Analysis of Si Sphere by XRF and XPS.
IEEE Trans. Instrum. Meas.
Lulu Zhang, Yasushi Azuma, Akira Kurokawa, Naoki Kuramoto, Kenichi Fujii
2011 J jnl
Diameter Comparison of a Silicon Sphere for the International Avogadro Coordination Project.
IEEE Trans. Instrum. Meas.
Naoki Kuramoto, Kenichi Fujii, R. Arnold Nicolaus, Guido Bartl, Malcolm Gray, Peter Manson, Walter Giardini
2009 J jnl
Improvement in the Volume Determination for Si Spheres With an Optical Interferometer.
IEEE Trans. Instrum. Meas.
Naoki Kuramoto, Kenichi Fujii
2007 J jnl
Density Determination of Silicon Spheres Using an Interferometer With Optical Frequency Tuning.
IEEE Trans. Instrum. Meas.
Naoki Kuramoto, Kenichi Fujii, Yasushi Azuma, Shigeki Mizushima, Yasutake Toyoshima
2005 J jnl
Present State of the avogadro constant determination from silicon Crystals with natural isotopic compositions.
IEEE Trans. Instrum. Meas.
Kenichi Fujii, Atsushi Waseda, Naoki Kuramoto, Shigeki Mizushima, Peter Becker, Horst Bettin, R. Arnold Nicolaus, Ulrich Kuetgens, Staf Valkiers, Philip Taylor, Paul De Bievre, Giovanni Mana, Enrico Massa, Richard Matyi, Ernest Kessler, Michael Hanke
2005 J jnl
Volume determination of a silicon sphere using an improved interferometer with optical frequency tuning.
IEEE Trans. Instrum. Meas.
Naoki Kuramoto, Kenichi Fujii
2003 J jnl
Evaluation of the molar volume of silicon crystals for a determination of the Avogadro constant.
IEEE Trans. Instrum. Meas.
Kenichi Fujii, Atsushi Waseda, Naoki Kuramoto, Shigeki Mizushima, Mitsuru Tanaka, Staf Valkiers, Philip Taylor, Rüdiger Kessel, Paul De Bievre
2003 J jnl
Interferometric determination of the diameter of a silicon sphere using a direct optical frequency tuning system.
IEEE Trans. Instrum. Meas.
Naoki Kuramoto, Kenichi Fujii