Koji Maruyama

1.8k total citations · 1 hit paper
37 papers, 1.2k citations indexed

About

Koji Maruyama is a scholar working on Atomic and Molecular Physics, and Optics, Artificial Intelligence and Statistical and Nonlinear Physics. According to data from OpenAlex, Koji Maruyama has authored 37 papers receiving a total of 1.2k indexed citations (citations by other indexed papers that have themselves been cited), including 23 papers in Atomic and Molecular Physics, and Optics, 20 papers in Artificial Intelligence and 6 papers in Statistical and Nonlinear Physics. Recurrent topics in Koji Maruyama's work include Quantum Information and Cryptography (19 papers), Quantum Mechanics and Applications (12 papers) and Quantum Computing Algorithms and Architecture (12 papers). Koji Maruyama is often cited by papers focused on Quantum Information and Cryptography (19 papers), Quantum Mechanics and Applications (12 papers) and Quantum Computing Algorithms and Architecture (12 papers). Koji Maruyama collaborates with scholars based in Japan, United States and United Kingdom. Koji Maruyama's co-authors include Franco Nori, Vlatko Vedral, Hideki Hashimoto, Fumio Harashima, Daniel Burgarth, Toshiaki Iitaka, Sahel Ashhab, Motohiko Tanaka, Hirohiko Kono and Satoshi Hino and has published in prestigious journals such as Reviews of Modern Physics, Physical Review B and IEEE Transactions on Industrial Electronics.

In The Last Decade

Koji Maruyama

33 papers receiving 1.1k citations

Hit Papers

Colloquium: The physics of Maxwell’s demon and information 2009 2026 2014 2020 2009 100 200 300
What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

  1. Colloquium: The physics of Maxwell’s demon and information
    2009 391 citations Koji Maruyama, Franco Nori et al. Reviews of Modern Physics profile →

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name h Career Trend Papers Cites
Koji Maruyama Japan 16 630 532 387 207 107 37 1.2k
Yoshihiko Hasegawa Japan 18 419 0.7× 347 0.7× 825 2.1× 27 0.1× 24 0.2× 67 1.3k
Francesca Albertini Italy 16 236 0.4× 343 0.6× 140 0.4× 227 1.1× 29 0.3× 52 815
Benjamin T. H. Varcoe United Kingdom 14 1.6k 2.5× 1.2k 2.3× 99 0.3× 10 0.0× 235 2.2× 39 1.8k
S. Wildermuth Germany 12 915 1.5× 307 0.6× 69 0.2× 53 0.3× 125 1.2× 29 1.1k
Dionisis Stefanatos Greece 16 697 1.1× 516 1.0× 173 0.4× 15 0.1× 93 0.9× 64 848
Weifeng Yang China 21 928 1.5× 57 0.1× 46 0.1× 47 0.2× 210 2.0× 74 1.2k
Salvatore Lorenzo Italy 22 992 1.6× 923 1.7× 385 1.0× 50 0.2× 67 0.6× 49 1.4k
Andreas Dechant Japan 20 350 0.6× 100 0.2× 900 2.3× 33 0.2× 24 0.2× 30 1.0k
Haidong Yuan Hong Kong 22 1.1k 1.7× 1.0k 1.9× 119 0.3× 14 0.1× 85 0.8× 81 1.4k
J. Mallinson United States 17 479 0.8× 50 0.1× 57 0.1× 113 0.5× 264 2.5× 57 953

Countries citing papers authored by Koji Maruyama

Since Specialization
Citations

This map shows the geographic impact of Koji Maruyama's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by Koji Maruyama with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Koji Maruyama more than expected).

Fields of papers citing papers by Koji Maruyama

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Koji Maruyama. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by Koji Maruyama. The network helps show where Koji Maruyama may publish in the future.

Co-authorship network of co-authors of Koji Maruyama

This figure shows the co-authorship network connecting the top 25 collaborators of Koji Maruyama. A scholar is included among the top collaborators of Koji Maruyama based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with Koji Maruyama. Koji Maruyama is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

20 of 20 papers shown
1.
Maharjan, Laxman, et al.. (2020). Development and Verification Test of the 6.6-kV 200-kVA Transformerless SDBC-Based STATCOM Using SiC-MOSFET Modules. IEEE Transactions on Power Electronics. 35(12). 13687–13696. 16 indexed citations
2.
Hosoya, Akio, Koji Maruyama, & Yutaka Shikano. (2011). Maxwell's demon and data compression. Physical Review E. 84(6). 61117–61117. 8 indexed citations
3.
Tanaka, Motohiko, Hirohiko Kono, Koji Maruyama, & Y. Zempo. (2011). Theoretical studies of microwave heating of dielectric liquid and magnetic crystal: Classical and quantum mechanical molecular dynamics simulations. 195–198. 1 indexed citations
4.
Burgarth, Daniel, Koji Maruyama, Michael Murphy, et al.. (2010). Scalable quantum computation via local control of only two qubits. Physical Review A. 81(4). 73 indexed citations
5.
Maruyama, Koji. (2010). Simple entanglement purification protocol by spin chain dynamics without CNOTs. Optics and Spectroscopy. 108(2). 301–304. 1 indexed citations
6.
Wei, L. F., Koji Maruyama, Xiang‐Bin Wang, J. Q. You, & Franco Nori. (2010). Testing quantum contextuality with macroscopic superconducting circuits. Physical Review B. 81(17). 6 indexed citations
7.
Ashhab, Sahel, Koji Maruyama, Časlav Brukner, & Franco Nori. (2009). Bell’s experiment with intra- and inter-pair entanglement: Single-particle mode entanglement as a case study. Physical Review A. 80(6). 12 indexed citations
8.
Tanaka, Motohiko, Hirohiko Kono, & Koji Maruyama. (2009). Selective heating mechanism of magnetic metal oxides by a microwave magnetic field. Physical Review B. 79(10). 36 indexed citations
9.
Maruyama, Koji, Franco Nori, & Vlatko Vedral. (2009). Colloquium: The physics of Maxwell’s demon and information. Reviews of Modern Physics. 81(1). 1–23. 391 indexed citations breakdown →
10.
Tanaka, Motohiko, Hirohiko Kono, & Koji Maruyama. (2008). Selective Heating Mechanism of Magnetic Metal Oxides by Microwave Magnetic Field. arXiv (Cornell University).
11.
Abe, Yasushi, Koji Maruyama, Yasushi Matsumoto, K. Sasagawa, & Kouki Matsuse. (2007). Performance Evaluation of An Auxiliary Power Supply System for Railways with Series Connection of IGBTs. IEEJ Transactions on Industry Applications. 127(3). 241–247. 12 indexed citations
12.
Ashhab, Sahel, Koji Maruyama, & Franco Nori. (2007). Detecting mode entanglement: The role of coherent states, superselection rules, and particle statistics. Physical Review A. 76(5). 16 indexed citations
13.
Maruyama, Koji, Časlav Brukner, & Vlatko Vedral. (2005). Thermodynamical cost of accessing quantum information. Journal of Physics A Mathematical and General. 38(32). 7175–7181. 13 indexed citations
14.
Maruyama, Koji, et al.. (2005). Thermodynamical detection of entanglement by Maxwell’s demons. Physical Review A. 71(1). 30 indexed citations
15.
Viguié, Vincent, Koji Maruyama, & Vlatko Vedral. (2005). Work extraction from tripartite entanglement. New Journal of Physics. 7. 195–195. 10 indexed citations
16.
Yamamoto, M., et al.. (2002). Self-commutated static flicker compensator for arc furnaces. 2. 891–897. 7 indexed citations
17.
Abe, Yasushi & Koji Maruyama. (2002). Multi-series Connection of High-Voltage IGBTs. 14 indexed citations
18.
Takemura, Tsukasa, Mitsuru Okada, Satoshi Hino, et al.. (1999). Course and outcome of tubulointerstitial nephritis and uveitis syndrome. American Journal of Kidney Diseases. 34(6). 1016–1021. 84 indexed citations
19.
Harashima, Fumio, Hideki Hashimoto, & Koji Maruyama. (1986). Sliding Mode Control of Manipulator with Time-Varying Switching Surfacaes. Transactions of the Society of Instrument and Control Engineers. 22(3). 335–342. 17 indexed citations
20.
Harashima, Fumio, Hideki Hashimoto, & Koji Maruyama. (1986). Practical robust control of robot arm using variable structure system. 532–539. 79 indexed citations

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

Explore authors with similar magnitude of impact

Breakdown of academic impact, for papers by Yoshihiko Hasegawa Breakdown of academic impact, for papers by Francesca Albertini Breakdown of academic impact, for papers by Benjamin T. H. Varcoe Breakdown of academic impact, for papers by S. Wildermuth Breakdown of academic impact, for papers by Dionisis Stefanatos Breakdown of academic impact, for papers by Weifeng Yang Breakdown of academic impact, for papers by Salvatore Lorenzo Breakdown of academic impact, for papers by Andreas Dechant Breakdown of academic impact, for papers by Haidong Yuan Breakdown of academic impact, for papers by J. Mallinson
Rankless by CCL
2026