Hajime Ichimura

1.2k total citations · 1 hit paper
22 papers, 775 citations indexed

About

Hajime Ichimura is a scholar working on Surgery, Cardiology and Cardiovascular Medicine and Molecular Biology. According to data from OpenAlex, Hajime Ichimura has authored 22 papers receiving a total of 775 indexed citations (citations by other indexed papers that have themselves been cited), including 11 papers in Surgery, 10 papers in Cardiology and Cardiovascular Medicine and 9 papers in Molecular Biology. Recurrent topics in Hajime Ichimura's work include Tissue Engineering and Regenerative Medicine (7 papers), Pluripotent Stem Cells Research (6 papers) and Aortic Disease and Treatment Approaches (5 papers). Hajime Ichimura is often cited by papers focused on Tissue Engineering and Regenerative Medicine (7 papers), Pluripotent Stem Cells Research (6 papers) and Aortic Disease and Treatment Approaches (5 papers). Hajime Ichimura collaborates with scholars based in Japan and United States. Hajime Ichimura's co-authors include Yuji Shiba, Tatsuichiro Seto, Yuko Wada, Kenji Okada, Toshihito Gomibuchi, Itsunari Minami, Naoko Shiba, Yuki Tanaka, Takashi Shiina and Mitsuo Oshimura and has published in prestigious journals such as Nature, Scientific Reports and The Annals of Thoracic Surgery.

In The Last Decade

Hajime Ichimura

16 papers receiving 762 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.

Allogeneic transplantation of iPS cell-derived cardiomyocytes regenerates primate hearts

2016 555 citations Yuji Shiba, Toshihito Gomibuchi et al. Nature profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Hajime Ichimura Japan	10	495	424	138	133	130	22	775
Toshihito Gomibuchi Japan	5	424 0.9×	360 0.8×	114 0.8×	101 0.8×	109 0.8×	11	624
Tatsuichiro Seto Japan	13	523 1.1×	573 1.4×	129 0.9×	125 0.9×	217 1.7×	47	982
Klaus Neef Germany	15	287 0.6×	294 0.7×	122 0.9×	105 0.8×	144 1.1×	42	605
Jan W. Buikema Netherlands	14	521 1.1×	273 0.6×	86 0.6×	129 1.0×	165 1.3×	26	762
Megumi Mathison United States	16	351 0.7×	595 1.4×	195 1.4×	159 1.2×	307 2.4×	32	887
Ai Kawamura Japan	14	355 0.7×	323 0.8×	57 0.4×	122 0.9×	111 0.9×	72	668
Sherwin Ting Singapore	12	436 0.9×	319 0.8×	117 0.8×	286 2.2×	53 0.4×	20	676
Aida Llucià‐Valldeperas Spain	19	208 0.4×	416 1.0×	317 2.3×	160 1.2×	151 1.2×	39	687
Anwar J. Siddiqui Sweden	13	338 0.7×	338 0.8×	259 1.9×	127 1.0×	201 1.5×	34	853
Camila Hochman‐Mendez United States	11	201 0.4×	222 0.5×	120 0.9×	111 0.8×	163 1.3×	33	540

Countries citing papers authored by Hajime Ichimura

Since Specialization

Citations

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

Fields of papers citing papers by Hajime Ichimura

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Hajime Ichimura

This figure shows the co-authorship network connecting the top 25 collaborators of Hajime Ichimura. A scholar is included among the top collaborators of Hajime Ichimura 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 Hajime Ichimura. Hajime Ichimura 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

Wada, Yuko, Yuki Takagi, Shuji Chino, et al.. (2025). Midterm results of aneurysmorrhaphy for enlargement after endovascular aneurysm repair. Journal of Vascular Surgery. 82(5). 1649–1657.e2.

Mutai, Hitoshi, Shuhei Yamamoto, Hajime Ichimura, et al.. (2024). Characteristics of longitudinal changes in quality of life and associated factors in patients post cardiac and thoracic aortic surgery: insights from a prospective cohort study. Journal of Patient-Reported Outcomes. 8(1). 111–111.

Tanaka, Yuki, Shin Kadota, Jian Zhao, et al.. (2023). Mature human induced pluripotent stem cell-derived cardiomyocytes promote angiogenesis through alpha-B crystallin. Stem Cell Research & Therapy. 14(1). 240–240. 5 indexed citations

Ichimura, Hajime, Shuji Chino, & Yuji Shiba. (2023). Cardiac Regeneration Using Pluripotent Stem Cells and Controlling Immune Responses. Heart Lung and Circulation. 32(7). 836–843. 4 indexed citations

Shiba, Naoko, Shin Kadota, Masaki Izumi, et al.. (2023). Efficacy of exon-skipping therapy for DMD cardiomyopathy with mutations in actin binding domain 1. Molecular Therapy — Nucleic Acids. 34. 102060–102060.

Yamamoto, Shuhei, Ippei Nojima, Hajime Ichimura, et al.. (2022). Association between postoperative delirium and heart rate variability in the intensive care unit and readmissions and mortality in elderly patients with cardiovascular surgery. Heart and Vessels. 38(3). 438–447. 6 indexed citations

Komatsu, Masaki, Shuji Chino, Haruki Tanaka, et al.. (2022). Central extracorporeal membrane oxygenation with left-ventricular vent for fulminant myocarditis: a retrospective study. Journal of Artificial Organs. 26(4). 297–302.

Komatsu, Masaki, Shuji Chino, Haruki Tanaka, et al.. (2022). Intimal Sarcoma after Endovascular Abdominal Aortic Aneurysm Repair. Annals of Vascular Diseases. 15(4). 344–347.

Kobayashi, Hideki, Shugo Tohyama, Hideaki Kanazawa, et al.. (2022). Intracoronary transplantation of pluripotent stem cell-derived cardiomyocytes: Inefficient procedure for cardiac regeneration. Journal of Molecular and Cellular Cardiology. 174. 77–87. 13 indexed citations

10.

Mutai, Hitoshi, Shuhei Yamamoto, Hajime Ichimura, et al.. (2021). Decreased activities of daily living at discharge predict mortality and readmission in elderly patients after cardiac and aortic surgery. Medicine. 100(31). e26819–e26819. 11 indexed citations

11.

Kobayashi, Hideki, et al.. (2021). Transplantation of Pluripotent Stem Cell-Derived Cardiomyocytes into a Myocardial Infarction Model of Cynomolgus Monkey. Methods in molecular biology. 2320. 295–302. 2 indexed citations

12.

Ichimura, Hajime, Shin Kadota, Toshihide Kashihara, et al.. (2020). Increased predominance of the matured ventricular subtype in embryonic stem cell-derived cardiomyocytes in vivo. Scientific Reports. 10(1). 11883–11883. 25 indexed citations

13.

Komatsu, Masaki, Shuji Chino, Haruki Tanaka, et al.. (2020). A Case of Bilateral Coronary Ostial Aneurysms and an Aortic Root Pseudoaneurysm after a Modified Bentall Procedure with the Button Technique. Japanese Journal of Cardiovascular Surgery. 49(4). 210–213.

14.

Gomibuchi, Toshihito, Tatsuichiro Seto, Shuji Chino, et al.. (2020). Strategies to improve outcomes for acute type A aortic dissection with cerebral malperfusion. European Journal of Cardio-Thoracic Surgery. 59(3). 666–673. 19 indexed citations

15.

Gomibuchi, Toshihito, Tatsuichiro Seto, Shuji Chino, et al.. (2020). Skeletal muscle quality affects patient outcomes in acute type A aortic dissection. Interactive Cardiovascular and Thoracic Surgery. 30(5). 739–745. 3 indexed citations

16.

Gomibuchi, Toshihito, Tatsuichiro Seto, Masaki Komatsu, et al.. (2018). Impact of Frailty on Outcomes in Acute Type A Aortic Dissection. The Annals of Thoracic Surgery. 106(5). 1349–1355. 25 indexed citations

17.

Okano, Satomi, Hajime Ichimura, Shin Kadota, et al.. (2017). Impact of extracellular matrix on engraftment and maturation of pluripotent stem cell-derived cardiomyocytes in a rat myocardial infarct model. Scientific Reports. 7(1). 8630–8630. 32 indexed citations

18.

Ichimura, Hajime & Yuji Shiba. (2017). Recent Progress Using Pluripotent Stem Cells for Cardiac Regenerative Therapy. Circulation Journal. 81(7). 929–935. 13 indexed citations

19.

Shiba, Yuji, Toshihito Gomibuchi, Tatsuichiro Seto, et al.. (2016). Allogeneic transplantation of iPS cell-derived cardiomyocytes regenerates primate hearts. Nature. 538(7625). 388–391. 555 indexed citations breakdown →

20.

Ichimura, Hajime, Satoshi Yamaguchi, Atsumi Kojima, et al.. (2003). Eradication and reinfection of human papillomavirus after photodynamic therapy for cervical intraepithelial neoplasia. International Journal of Clinical Oncology. 8(5). 322–325. 44 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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