2026 Kohei M. Itoh: Materials Science Researcher – H-Index, Publications & Awards

Discipline name	D-Index	World Ranking	Current World Ranking	National Ranking	Current National Ranking	Publications	Citations
Materials Science	54	8777	8477	510	490	374	15262

Kohei M. Itoh publication distribution in Materials Science in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Materials Science in 2026. The highlighted bar marks where Kohei M. Itoh sits on this spectrum.

50 publications 1,163+

This scientist: 374 publications — 74th percentile

74% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 1,163 publications or more.

Kohei M. Itoh D-index placement in Materials Science in 2026

The chart shows the D-index (discipline H-index) distribution of Materials Science scientists ranked by Research.com in 2026. The highlighted bar marks where Kohei M. Itoh sits on this spectrum.

40 D-Index 165+

This scientist: 54 D-Index — 32nd percentile

32% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 165 D-Index or more.

Overview

Kohei M. Itoh is a researcher affiliated with Keio University in Japan whose work spans several interconnected fields, including physics, engineering, and computer science. Their publications focus mainly on quantum physics and advancements relevant to quantum computing and semiconductor technology.

The main fields of study for Kohei M. Itoh include:

Physics and Astronomy
Engineering
Computer Science

Within these broader fields, their research specializes in several subfields:

Atomic and Molecular Physics, and Optics
Artificial Intelligence
Electrical and Electronic Engineering
Materials Chemistry
Condensed Matter Physics

The primary research topics encompass:

Quantum and electron transport phenomena
Quantum Computing Algorithms and Architecture
Advancements in Semiconductor Devices and Circuit Design
Quantum Information and Cryptography
Semiconductor materials and devices
Semiconductor Quantum Structures and Devices
Diamond and Carbon-based Materials Research

The scientist has published in a range of venues, with notable frequent publication outlets including:

arXiv (Cornell University)
Nature Communications
Physical Review Applied
Nature
Physical Review B

Representative recent papers with publication year and venue are:

Materials challenges and opportunities for quantum computing hardware (2021, Science)
Operation of a silicon quantum processor unit cell above one kelvin (2020, Nature)
Precision tomography of a three-qubit donor quantum processor in silicon (2022, Nature)
Pauli Blockade in Silicon Quantum Dots with Spin-Orbit Control (2021, PRX Quantum)
On-demand electrical control of spin qubits (2023, Nature Nanotechnology)

Frequent coauthors collaborating with Kohei M. Itoh include:

Fay E. Hudson
Andrew S. Dzurak
Arne Laucht
Chih Hwan Yang
André Saraiva

Best Publications

An addressable quantum dot qubit with fault-tolerant control-fidelity

M. Veldhorst;J. C. C. Hwang;C. H. Yang;A. W. Leenstra

1093
Citations
A two-qubit logic gate in silicon

M. Veldhorst;C. H. Yang;J. C. C. Hwang;W. Huang

1083
Citations
A quantum-dot spin qubit with coherence limited by charge noise and fidelity higher than 99.9.

Jun Yoneda;Kenta Takeda;Tomohiro Otsuka;Tomohiro Otsuka;Takashi Nakajima

952
Citations
Electron spin coherence exceeding seconds in high-purity silicon

Alexei M. Tyryshkin;Shinichi Tojo;John J.L. Morton;Helge Riemann

848
Citations
Storing quantum information for 30 seconds in a nanoelectronic device

Juha T. Muhonen;Juan P. Dehollain;Arne Laucht;Fay E. Hudson

778
Citations
Materials challenges and opportunities for quantum computing hardware

Nathalie P. de Leon;Kohei M. Itoh;Dohun Kim;Karan K. Mehta

602
Citations
A >99.9%-fidelity quantum-dot spin qubit with coherence limited by charge noise

J. Yoneda;K. Takeda;T. Otsuka;T. Nakajima

589
Citations
Thermal conductivity of germanium crystals with different isotopic compositions

M. Asen-Palmer;K. Bartkowski;E. Gmelin;M. Cardona

533
Citations
All-silicon quantum computer.

T. D. Ladd;J. R. Goldman;F. Yamaguchi;Y. Yamamoto

410
Citations
Operation of a silicon quantum processor unit cell above one kelvin

C. H. Yang;R. C. C. Leon;J. C. C. Hwang;J. C. C. Hwang;A. Saraiva

356
Citations
Spectroscopy of surface-induced noise using shallow spins in diamond.

Y. Romach;C. Müller;T. Unden;L. J. Rogers

287
Citations
Poisoning of SOFC anodes by various fuel impurities

K. Haga;S. Adachi;Y. Shiratori;K. Itoh

285
Citations
Investigation of surface magnetic noise by shallow spins in diamond.

T Rosskopf;A Dussaux;K Ohashi;M Loretz

244
Citations
Thin film photoelectrochemistry: Iron oxide

K. Itoh;J. O'm. Bockris

239
Citations
Isotope engineering of silicon and diamond for quantum computing and sensing applications

Kohei M. Itoh;Hideyuki Watanabe

238
Citations
Silicon qubit fidelities approaching incoherent noise limits via pulse engineering

C. H. Yang;K. W. Chan;R. Harper;W. Huang

231
Citations
Negatively Charged Nitrogen-Vacancy Centers in a 5 nm Thin 12C Diamond Film

K. Ohashi;T. Rosskopf;H. Watanabe;M. Loretz

197
Citations
High-sensitivity magnetometry based on quantum beats in diamond nitrogen-vacancy centers.

Kejie Fang;Victor M. Acosta;Charles Santori;Zhihong Huang

176
Citations
Optical and Spin Coherence Properties of Nitrogen-Vacancy Centers Placed in a 100 nm Thick Isotopically Purified Diamond Layer

Toyofumi Ishikawa;Kai Mei C. Fu;Charles Santori;Victor M. Acosta

174
Citations
Mechanism of superconductivity in the polyhedral-network compound Ba8Si46

K. Tanigaki;T. Shimizu;K. M. Itoh;K. M. Itoh;J. Teraoka

151
Citations
Silicon quantum processor unit cell operation above one Kelvin

C. H. Yang;R. C. C. Leon;J. C. C. Hwang;A. Saraiva

136
Citations
Stacked thin‐film photoelectrode using iron oxide

K. Itoh;J. O’M. Bockris

136
Citations
Electron-spin phase relaxation of phosphorus donors in nuclear-spin-enriched silicon

Eisuke Abe;Kohei M. Itoh;Junichi Isoya;Satoshi Yamasaki

133
Citations
Hopping Conduction and Metal-Insulator Transition in Isotopically Enriched Neutron-Transmutation-Doped 70 Ge:Ga

K. M. Itoh;E. E. Haller;E. E. Haller;J. W. Beeman;W. L. Hansen

126
Citations