Kumi Ozaki

1.4k total citations · 1 hit paper
39 papers, 995 citations indexed

About

Kumi Ozaki is a scholar working on Hepatology, Epidemiology and Surgery. According to data from OpenAlex, Kumi Ozaki has authored 39 papers receiving a total of 995 indexed citations (citations by other indexed papers that have themselves been cited), including 18 papers in Hepatology, 13 papers in Epidemiology and 12 papers in Surgery. Recurrent topics in Kumi Ozaki's work include Hepatocellular Carcinoma Treatment and Prognosis (13 papers), Liver Disease Diagnosis and Treatment (10 papers) and Liver Disease and Transplantation (8 papers). Kumi Ozaki is often cited by papers focused on Hepatocellular Carcinoma Treatment and Prognosis (13 papers), Liver Disease Diagnosis and Treatment (10 papers) and Liver Disease and Transplantation (8 papers). Kumi Ozaki collaborates with scholars based in Japan. Kumi Ozaki's co-authors include Osamu Matsui, Toshifumi Gabata, Norihide Yoneda, Tetsuya Minami, Dai Inoue, Shiro Miyayama, Yoh Zen, Fumihito Toshima, Kenichiro Okumura and Kei-ichi Nagai and has published in prestigious journals such as SHILAP Revista de lepidopterología, Radiology and European Respiratory Journal.

In The Last Decade

Kumi Ozaki

36 papers receiving 981 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.

IgG4-Related Disease

2015 306 citations Dai Inoue, Kotaro Yoshida et al. Medicine profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Kumi Ozaki Japan	12	418	372	330	315	295	39	995
David Delaney United Kingdom	14	404 1.0×	138 0.4×	236 0.7×	236 0.7×	296 1.0×	21	943
Junichiro Sanada Japan	20	402 1.0×	480 1.3×	579 1.8×	31 0.1×	392 1.3×	65	1.2k
Theo J. Klinkenberg Netherlands	12	136 0.3×	215 0.6×	51 0.2×	64 0.2×	297 1.0×	46	899
Wenjie Liang China	15	133 0.3×	284 0.8×	140 0.4×	93 0.3×	305 1.0×	60	892
Hiroshi Demachi Japan	13	508 1.2×	505 1.4×	474 1.4×	412 1.3×	207 0.7×	26	1.1k
V. P. Chuang United States	16	116 0.3×	306 0.8×	392 1.2×	69 0.2×	361 1.2×	28	851
Ido Nachmany Israel	19	280 0.7×	471 1.3×	150 0.5×	47 0.1×	319 1.1×	75	1.1k
M Zeile Germany	14	66 0.2×	201 0.5×	160 0.5×	99 0.3×	323 1.1×	27	807
Matilde De Simone Italy	16	127 0.3×	676 1.8×	57 0.2×	258 0.8×	351 1.2×	75	1.0k
Tadayuki Takagi Japan	22	660 1.6×	1.2k 3.3×	250 0.8×	288 0.9×	677 2.3×	174	2.0k

Countries citing papers authored by Kumi Ozaki

Since Specialization

Citations

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

Fields of papers citing papers by Kumi Ozaki

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Kumi Ozaki

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

Ichikawa, Shintaro, Kumi Ozaki, Akio Ito, et al.. (2025). Multi-institutional study for comparison of detectability of hypovascular liver metastases between 70- and 40-keV images: DELMIO study. Abdominal Radiology. 51(3). 1360–1369. 1 indexed citations

Ohtani, Takashi, et al.. (2025). Dual-energy computed tomography-derived electron density in the differential diagnosis of focal hepatic lesions: initial experience. Quantitative Imaging in Medicine and Surgery. 15(9). 8219–8229.

Tanahashi, Yukichi, et al.. (2024). Improved vascular depiction and image quality through deep learning reconstruction of CT hepatic arteriography during transcatheter arterial chemoembolization. Japanese Journal of Radiology. 42(11). 1243–1254. 6 indexed citations

Ozaki, Kumi, Takashi Ohtani, K Takahashi, et al.. (2023). Liver fibrosis estimated using extracellular volume fraction obtained from dual-energy CT as a risk factor for hepatocellular carcinoma after sustained virologic response: A preliminary case–control study. European Journal of Radiology. 168. 111112–111112. 2 indexed citations

Ozaki, Kumi, Takashi Ohtani, Shohei Higuchi, et al.. (2023). Extracellular volume fraction obtained by dual-energy CT depicting the etiological differences of liver fibrosis. Abdominal Radiology. 48(6). 1975–1986. 10 indexed citations

Ozaki, Kumi, Norihide Yoneda, Kenichi Harada, et al.. (2023). A case of focal nodular hyperplasia-like lesion presenting unusual signal intensity on the hepatobiliary phase of gadoxetic acid-enhanced magnetic resonance image. SHILAP Revista de lepidopterología. 18(9). 3093–3100. 1 indexed citations

Ozaki, Kumi, Shohei Higuchi, Toyohiko Sakai, et al.. (2022). Diagnostic performance of abbreviated gadoxetic acid-enhanced magnetic resonance protocols with contrast-enhanced computed tomography for detection of colorectal liver metastases. World Journal of Radiology. 14(10). 352–366. 5 indexed citations

Ozaki, Kumi, et al.. (2021). Assessing the progression of segmental fibrosis in chronic liver disease using extracellular volume fractions. European Journal of Radiology. 145. 110033–110033. 9 indexed citations

Ozaki, Kumi, Hiroshi Ikeno, Yasuharu Kaizaki, et al.. (2020). Pearls and pitfalls of imaging features of pancreatic cystic lesions: a case-based approach with imaging–pathologic correlation. Japanese Journal of Radiology. 39(2). 118–142. 15 indexed citations

10.

Ozaki, Kumi, Jun Yoshikawa, Toru Yamamoto, Kazuya Maeda, & Yasuharu Kaizaki. (2018). Preoperative diagnosis of the sclerosed hemangioma of the liver using multimodality imaging findings: A case report. Radiology Case Reports. 13(5). 1025–1029. 5 indexed citations

11.

Ozaki, Kumi, Satoshi Kobayashi, Osamu Matsui, et al.. (2017). Extrahepatic Arteries Originating from Hepatic Arteries: Analysis Using CT During Hepatic Arteriography and Visualization on Digital Subtraction Angiography. CardioVascular and Interventional Radiology. 40(6). 822–830. 7 indexed citations

12.

Ozaki, Kumi, Osamu Matsui, Satoshi Kobayashi, et al.. (2016). Morphometric changes in liver cirrhosis: aetiological differences correlated with progression. British Journal of Radiology. 89(1059). 20150896–20150896. 36 indexed citations

13.

Ozaki, Kumi, Kenichi Harada, Noboru Terayama, et al.. (2016). Hepatocyte nuclear factor 1α-inactivated hepatocellular adenomas exhibit high¹⁸F-fludeoxyglucose uptake associated with glucose-6-phosphate transporter inactivation. British Journal of Radiology. 89(1063). 20160265–20160265. 7 indexed citations

14.

Inoue, Dai, Kotaro Yoshida, Norihide Yoneda, et al.. (2015). IgG4-Related Disease. Medicine. 94(15). e680–e680. 306 indexed citations breakdown →

15.

Ozaki, Kumi, Kiyohide Kitagawa, Toshifumi Gabata, & Osamu Matsui. (2014). A case of polypoid and papillary cystitis mimicking an advanced bladder carcinoma with invasion of perivesical fat. Urology Annals. 6(1). 72–72. 2 indexed citations

16.

Fukui, Shigefumi, Takeshi Ogo, Yoshiaki Morita, et al.. (2014). Right ventricular reverse remodelling after balloon pulmonary angioplasty. European Respiratory Journal. 43(5). 1394–1402. 160 indexed citations

17.

Ozaki, Kumi, Osamu Matsui, Toshifumi Gabata, et al.. (2013). Confluent hepatic fibrosis in liver cirrhosis: possible relation with middle hepatic venous drainage. Japanese Journal of Radiology. 31(8). 530–537. 12 indexed citations

18.

Ozaki, Kumi, Osamu Matsui, Satoshi Kobayashi, et al.. (2010). Selective Atrophy of the Middle Hepatic Venous Drainage Area in Hepatitis C–related Cirrhotic Liver: Morphometric Study by Using Multidetector CT. Radiology. 257(3). 705–714. 37 indexed citations

19.

Murono, Shigeyuki, Yosuke Nakanishi, Dai Inoue, et al.. (2010). Pseudoaneurysm of the lingual artery after concurrent intra‐arterial chemotherapy with radiotherapy for advanced tongue cancer. Head & Neck. 33(8). 1230–1232. 20 indexed citations

20.

Ozaki, Kumi, Junichiro Sanada, Toshifumi Gabata, et al.. (2009). Severe intestinal bleeding due to sinistral portal hypertension after pylorus-preserving pancreatoduodenectomy. Abdominal Imaging. 35(6). 643–645. 14 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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