Ryo Koizumi

607 total citations
19 papers, 467 citations indexed

About

Ryo Koizumi is a scholar working on Cardiology and Cardiovascular Medicine, Atomic and Molecular Physics, and Optics and Electronic, Optical and Magnetic Materials. According to data from OpenAlex, Ryo Koizumi has authored 19 papers receiving a total of 467 indexed citations (citations by other indexed papers that have themselves been cited), including 4 papers in Cardiology and Cardiovascular Medicine, 4 papers in Atomic and Molecular Physics, and Optics and 3 papers in Electronic, Optical and Magnetic Materials. Recurrent topics in Ryo Koizumi's work include Magnetic properties of thin films (4 papers), Magnetic Properties and Applications (3 papers) and Urban and spatial planning (2 papers). Ryo Koizumi is often cited by papers focused on Magnetic properties of thin films (4 papers), Magnetic Properties and Applications (3 papers) and Urban and spatial planning (2 papers). Ryo Koizumi collaborates with scholars based in Japan, South Korea and China. Ryo Koizumi's co-authors include K. Miura, Shoji Ikeda, Huadong Gan, Hideo Ohno, Michihiko Yamanouchi, K. Mizunuma, F. Matsukura, H. Sato, Hideyuki Sato and Yasuyuki Shiraishi and has published in prestigious journals such as Applied Physics Letters, Journal of Applied Physics and Annals of the Rheumatic Diseases.

In The Last Decade

Ryo Koizumi

16 papers receiving 447 citations

Peers — A (Enhanced Table)

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

Name h Career Trend Papers Cites
Ryo Koizumi Japan 8 291 199 120 79 74 19 467
Georg Richter Germany 14 195 0.7× 44 0.2× 155 1.3× 159 2.0× 9 0.1× 41 567
Evgeny V. Lyubin Russia 12 189 0.6× 53 0.3× 53 0.4× 94 1.2× 9 0.1× 36 419
Takahiro Fujimoto Japan 12 89 0.3× 14 0.1× 25 0.2× 65 0.8× 23 0.3× 34 341
Joachim Barth Germany 14 125 0.4× 555 2.8× 563 4.7× 90 1.1× 3 0.0× 20 874
X. Li United Kingdom 11 56 0.2× 34 0.2× 45 0.4× 239 3.0× 32 0.4× 32 391
Nicolás A. García Argentina 12 24 0.1× 18 0.1× 155 1.3× 20 0.3× 125 1.7× 25 390
Kōichi Aso Japan 9 133 0.5× 158 0.8× 73 0.6× 81 1.0× 16 361
Huihui Yang China 9 30 0.1× 52 0.3× 120 1.0× 59 0.7× 5 0.1× 36 263

Countries citing papers authored by Ryo Koizumi

Since Specialization
Citations

This map shows the geographic impact of Ryo Koizumi'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 Ryo Koizumi with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Ryo Koizumi more than expected).

Fields of papers citing papers by Ryo Koizumi

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Ryo Koizumi. 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 Ryo Koizumi. The network helps show where Ryo Koizumi may publish in the future.

Co-authorship network of co-authors of Ryo Koizumi

This figure shows the co-authorship network connecting the top 25 collaborators of Ryo Koizumi. A scholar is included among the top collaborators of Ryo Koizumi 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 Ryo Koizumi. Ryo Koizumi is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

19 of 19 papers shown
1.
Yoshimura, Yusuke, Masayuki Yamanouchi, Hiroki Mizuno, et al.. (2024). Efficacy and safety of first-line biological DMARDs in rheumatoid arthritis patients with chronic kidney disease. Annals of the Rheumatic Diseases. 83(10). 1278–1287. 3 indexed citations
2.
Koizumi, Ryo, et al.. (2022). Impact of cyanidin 3-<i>O</i>-glucoside on rat micro-and systemic circulation, possibly thorough angiogenesis. Journal of Clinical Biochemistry and Nutrition. 72(2). 132–138. 6 indexed citations
3.
4.
Fujii, Yasuyuki, et al.. (2021). Method for detecting hemodynamic alterations following a single gavage in rats. EXPERIMENTAL ANIMALS. 70(3). 372–377. 7 indexed citations
5.
6.
Koizumi, Ryo, et al.. (2020). Relationship between hemodynamic alteration and sympathetic nerve activation following a single oral dose of cinnamtannin A2. Free Radical Research. 55(5). 491–498. 9 indexed citations
7.
Saito, Akiko, Ryo Koizumi, Yasuyuki Fujii, et al.. (2019). Acylated anthocyanins derived from purple carrot (Daucus carota L.) induce elevation of blood flow in rat cremaster arteriole. Food & Function. 10(3). 1726–1735. 22 indexed citations
8.
Koizumi, Ryo, et al.. (2018). Thinking about the 2020 Tokyo Olympic Games: Globalization, Urban and Regional Development, and Security. E-journal GEO. 13(1). 273–295. 2 indexed citations
9.
Koizumi, Ryo, Kenichi Funamoto, Toshiyuki Hayase, et al.. (2014). Numerical analysis of hemodynamic changes in the left atrium due to atrial fibrillation. Journal of Biomechanics. 48(3). 472–478. 77 indexed citations
10.
Koizumi, Ryo, et al.. (2014). Spatial Patterns of Population Change in the 23 Special Wards of Tokyo after the Period of the Bubble Economy. Journal of Geography (Chigaku Zasshi). 123(2). 249–268. 7 indexed citations
11.
Miura, K., Shoji Ikeda, Michihiko Yamanouchi, et al.. (2011). CoFeB/MgO based perpendicular magnetic tunnel junctions with stepped structure for symmetrizing different retention times of “0” and “1” information. Symposium on VLSI Technology. 214–215. 4 indexed citations
12.
Gan, Huadong, H. Sato, Michihiko Yamanouchi, et al.. (2011). Origin of the collapse of tunnel magnetoresistance at high annealing temperature in CoFeB/MgO perpendicular magnetic tunnel junctions. Applied Physics Letters. 99(25). 51 indexed citations
13.
Yamanouchi, Michihiko, Ryo Koizumi, Shoji Ikeda, et al.. (2011). Dependence of magnetic anisotropy on MgO thickness and buffer layer in Co20Fe60B20-MgO structure. Journal of Applied Physics. 109(7). 110 indexed citations
14.
Sato, H., Michihiko Yamanouchi, K. Miura, et al.. (2011). Junction size effect on switching current and thermal stability in CoFeB/MgO perpendicular magnetic tunnel junctions. Applied Physics Letters. 99(4). 135 indexed citations
15.
Koizumi, Ryo, et al.. (2011). New Dimensions of Housing Acquisition in the Tokyo Bay Area: Skyscraper Condominium Residents in Toyosu. Geographical review of Japan series A. 84(6). 592–609. 7 indexed citations
16.
Koizumi, Ryo. (2010). Spatial Patterns of Occupational Structure and Their Changes in Tokyo Metropolitan Area. Kikan Chirigaku. 62(2). 61–70. 5 indexed citations
17.
Koizumi, Ryo. (2000). Treatment of adult Still's disease with dexamethasone, an alternative to prednisolone. Scandinavian Journal of Rheumatology. 29(6). 396–398. 17 indexed citations
18.
Mikami, Tatsuya, et al.. (1991). [Diagnosis of prosthetic mitral valve regurgitation by Doppler color flow imaging using right parasternal approach: a comparative study with transesophageal method].. PubMed. 25. 131–6; discussion 137. 1 indexed citations
19.
Sekine, H., et al.. (1982). Stress intensity factors for an embedded crack in a thick walled cylinder subjected to internal pressure. International Journal of Fracture. 18(2). R3–R8. 3 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.

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