Keisuke Kojima

1.9k total citations · 1 hit paper
94 papers, 1.3k citations indexed

About

Keisuke Kojima is a scholar working on Surgery, Cardiology and Cardiovascular Medicine and Radiology, Nuclear Medicine and Imaging. According to data from OpenAlex, Keisuke Kojima has authored 94 papers receiving a total of 1.3k indexed citations (citations by other indexed papers that have themselves been cited), including 33 papers in Surgery, 31 papers in Cardiology and Cardiovascular Medicine and 18 papers in Radiology, Nuclear Medicine and Imaging. Recurrent topics in Keisuke Kojima's work include Coronary Interventions and Diagnostics (21 papers), Cardiac Imaging and Diagnostics (16 papers) and Acute Myocardial Infarction Research (11 papers). Keisuke Kojima is often cited by papers focused on Coronary Interventions and Diagnostics (21 papers), Cardiac Imaging and Diagnostics (16 papers) and Acute Myocardial Infarction Research (11 papers). Keisuke Kojima collaborates with scholars based in Japan, United States and Mongolia. Keisuke Kojima's co-authors include Toshihiko Yoshida, E Masuhara, Shigeki Kimura, Yukio Ogihara, N Nakabayashi, Yuichiro Sagawa, Keiichi Hishikari, Hiroyuki Hikita, Tomoyo Sugiyama and Atsushi Takahashi and has published in prestigious journals such as Journal of Biological Chemistry, Journal of the American College of Cardiology and PLoS ONE.

In The Last Decade

Keisuke Kojima

85 papers receiving 1.3k citations

Hit Papers

align trajectories

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.

Toyota MIRAI Fuel Cell Vehicle and Progress Toward a Future Hydrogen Society

2015 543 citations Keisuke Kojima et al. profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Keisuke Kojima Japan	18	465	388	216	195	169	94	1.3k
M. Vijayakumar India	22	402 0.9×	310 0.8×	481 2.2×	311 1.6×	81 0.5×	94	2.3k
Jianping Qiu China	28	115 0.2×	329 0.8×	605 2.8×	165 0.8×	256 1.5×	108	2.2k
Su Hwan Kim South Korea	21	639 1.4×	391 1.0×	80 0.4×	215 1.1×	63 0.4×	67	1.5k
Hiroshi Arakawa Japan	24	117 0.3×	386 1.0×	431 2.0×	306 1.6×	135 0.8×	115	2.2k
Lei Chu China	21	154 0.3×	214 0.6×	363 1.7×	101 0.5×	149 0.9×	90	1.4k
Chunting Wang China	22	469 1.0×	71 0.2×	487 2.3×	125 0.6×	216 1.3×	73	1.6k
Xiao‐Long Li China	21	840 1.8×	130 0.3×	433 2.0×	303 1.6×	107 0.6×	81	2.3k
Shulian Li China	24	474 1.0×	59 0.2×	955 4.4×	123 0.6×	247 1.5×	80	2.2k
Yanrong Yang China	15	98 0.2×	182 0.5×	621 2.9×	63 0.3×	188 1.1×	39	1.5k
Qiling Li China	22	306 0.7×	152 0.4×	263 1.2×	201 1.0×	62 0.4×	105	1.3k

Countries citing papers authored by Keisuke Kojima

Since Specialization

Citations

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

Fields of papers citing papers by Keisuke Kojima

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Keisuke Kojima

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

All Works

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20 of 20 papers shown

Kojima, Keisuke, et al.. (2025). Purulent Pericarditis and Septic Shock Caused by Nontypeable Haemophilus Influenzae in an Immunocompromised Patient: A Case Report. Infection and Drug Resistance. Volume 18. 3199–3205.

Kojima, Keisuke, et al.. (2025). DanGer shock criteria and outcomes in acute myocardial infarction-related cardiogenic shock treated with Impella: the J-PVAD registry. European Heart Journal. 47(4). 472–486. 1 indexed citations

Kojima, Keisuke, Tatsuya Katsuno, Yo Kishimoto, et al.. (2024). In vitro model to evaluate effect of acidic pepsin on vocal fold barrier function. Biochemical and Biophysical Research Communications. 732. 150401–150401. 1 indexed citations

Kojima, Keisuke, Yudai Tanaka, Nobuhiro Murata, et al.. (2024). Association Between Aortic Wall Parameters on Multidetector Computed Tomography and Ruptured Plaques By Nonobstructive General Angioscopy. Journal of the American Heart Association. 13(6).

Murata, Nobuhiro, et al.. (2024). Prognostic Survey of ECPELLA in Japanese Patients With Acute Myocardial Infarction and Cardiogenic Shock　― Findings From the Japanese Registry for Percutaneous Ventricular Assist Device (J-PVAD) ―. Circulation Journal. 89(11). 1778–1785. 2 indexed citations

Kojima, Keisuke, et al.. (2023). Lipid-Rich Atheroma Obscured by Calcifications in a Dialysis Patient. Circulation Journal. 87(4). 579–579.

Fukamachi, Daisuke, Keisuke Kojima, Nobuhiro Murata, et al.. (2023). Hepatic steatosis evidenced by computed tomography in patients undergoing primary percutaneous coronary intervention for acute myocardial infarction. Journal of Cardiology. 82(5). 414–422. 1 indexed citations

Ogasawara, Reiki, Junichi Sugita, Keisuke Kojima, et al.. (2023). A case of Hodgkin lymphoma-type Richter syndrome presenting as small-intestinal perforation. International Journal of Hematology. 118(6). 766–771.

Nakayama, Yohei, Ryoki Kobayashi, Katsunori Oyama, et al.. (2023). Identification of Nutritional Factors to Evaluate Periodontal Clinical Parameters in Patients with Systemic Diseases. Nutrients. 15(2). 365–365. 1 indexed citations

10.

Kojima, Keisuke, Sei Komatsu, Tsunekazu Kakuta, et al.. (2021). Aortic plaque burden predicts vascular events in patients with cardiovascular disease: The EAST-NOGA study. Journal of Cardiology. 79(1). 144–152. 10 indexed citations

11.

Fukamachi, Daisuke, et al.. (2021). Impact of the COVID-19 outbreak on hospitalizations and outcomes in patients with acute myocardial infarction in a Japanese Single Center. Heart and Vessels. 36(10). 1474–1483. 14 indexed citations

12.

Kojima, Keisuke, Nobuhiro Murata, Toshihiko Nishida, et al.. (2020). CLINICAL UTILITY OF THE TRIGLYCERIDE-GLUCOSE INDEX, A NOVEL MARKER OF INSULIN RESISTANCE, FOR PREDICTING THE NEOINTIMAL VULNERABILITY AFTER EVEROLIMUS-ELUTING STENT. Journal of the American College of Cardiology. 75(11). 1275–1275. 1 indexed citations

13.

Takahashi, Koichiro, Masaru Uchida, Go Kato, et al.. (2020). <p>First-Line Treatment with Tiotropium/Olodaterol Improves Physical Activity in Patients with Treatment-Naïve Chronic Obstructive Pulmonary Disease</p>. International Journal of COPD. Volume 15. 2115–2126. 10 indexed citations

14.

Kimura, Shigeki, Tomoyo Sugiyama, Keiichi Hishikari, et al.. (2019). Relationship of systemic pentraxin-3 values with coronary plaque components on optical coherence tomography and post-percutaneous coronary intervention outcomes in patients with stable angina pectoris. Atherosclerosis. 292. 127–135. 9 indexed citations

15.

Kimura, Shigeki, Tomoyo Sugiyama, Keiichi Hishikari, et al.. (2018). The clinical significance of echo-attenuated plaque in stable angina pectoris compared with acute coronary syndromes: A combined intravascular ultrasound and optical coherence tomography study. International Journal of Cardiology. 270. 1–6. 3 indexed citations

16.

Kitano, Daisuke, Tadateru Takayama, Mitsumasa Sudo, et al.. (2018). Angioscopic differences of coronary intima between diffuse and focal coronary vasospasm: Comparison of optical coherence tomography findings. Journal of Cardiology. 72(3). 200–207. 15 indexed citations

17.

Sugiyama, Tomoyo, Shigeki Kimura, Keiichi Hishikari, et al.. (2017). Relationship between quantities of tissue prolapse after percutaneous coronary intervention and neointimal hyperplasia at follow-up on serial optical coherence tomography examination. International Journal of Cardiology. 241. 470–477. 8 indexed citations

18.

Kojima, Keisuke, Tomohiro Arikawa, Naoki Saita, et al.. (2011). Galectin-9 Attenuates Acute Lung Injury by Expanding CD14– Plasmacytoid Dendritic Cell–like Macrophages. American Journal of Respiratory and Critical Care Medicine. 184(3). 328–339. 36 indexed citations

19.

Makita, Masanori, Taichi Azuma, H Hamaguchi, et al.. (2002). Leukemia-associated fusion proteins, dek-can and bcr-abl, represent immunogenic HLA-DR-restricted epitopes recognized by fusion peptide-specific CD4+ T lymphocytes. Leukemia. 16(12). 2400–2407. 37 indexed citations

20.

Kojima, Keisuke, Y. Imai, & E Masuhara. (1974). Reaction between poly (vinyl alcohol) graft copolymers and tissue. 3(6). 443–448. 2 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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