Kazushi Numata

12.2k total citations · 1 hit paper
226 papers, 4.8k citations indexed

About

Kazushi Numata is a scholar working on Hepatology, Epidemiology and Surgery. According to data from OpenAlex, Kazushi Numata has authored 226 papers receiving a total of 4.8k indexed citations (citations by other indexed papers that have themselves been cited), including 153 papers in Hepatology, 93 papers in Epidemiology and 51 papers in Surgery. Recurrent topics in Kazushi Numata's work include Hepatocellular Carcinoma Treatment and Prognosis (132 papers), Liver Disease Diagnosis and Treatment (77 papers) and Liver Disease and Transplantation (29 papers). Kazushi Numata is often cited by papers focused on Hepatocellular Carcinoma Treatment and Prognosis (132 papers), Liver Disease Diagnosis and Treatment (77 papers) and Liver Disease and Transplantation (29 papers). Kazushi Numata collaborates with scholars based in Japan, China and United States. Kazushi Numata's co-authors include Katsuaki Tanaka, Manabu Morimoto, Shin Maeda, Takayoshi Kiba, Masaaki Kondo, Kazuya Sugimori, Satoshi Morita, Hisahiko Sekihara, Akito Nozaki and Akito Nozaki and has published in prestigious journals such as Journal of Clinical Oncology, SHILAP Revista de lepidopterología and Gastroenterology.

In The Last Decade

Kazushi Numata

207 papers receiving 4.7k citations

Hit Papers

CheckMate 040 cohort 5: A phase I/II study of nivolumab i... 2021 2026 2022 2024 2021 40 80 120
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. CheckMate 040 cohort 5: A phase I/II study of nivolumab in patients with advanced hepatocellular carcinoma and Child-Pugh B cirrhosis
    2021 141 citations Masatoshi Kudo, Su Pin Choo et al. profile →

Peers — A (Enhanced Table)

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

Name h Career Trend Papers Cites
Kazushi Numata Japan 41 3.0k 1.9k 1.1k 926 820 226 4.8k
Jinsil Seong South Korea 39 2.9k 1.0× 1.1k 0.6× 1.7k 1.6× 1.8k 2.0× 1.4k 1.7× 249 5.4k
Marı́a Varela Spain 24 3.4k 1.1× 2.3k 1.2× 709 0.6× 472 0.5× 430 0.5× 89 4.2k
Minshan Chen China 35 3.1k 1.0× 1.4k 0.7× 949 0.8× 1.3k 1.4× 815 1.0× 190 5.1k
Shinpei Sato Japan 22 2.8k 0.9× 1.8k 0.9× 743 0.7× 447 0.5× 404 0.5× 66 3.4k
Kenichi Wakasa Japan 40 2.2k 0.7× 2.1k 1.1× 1.5k 1.4× 1.5k 1.6× 872 1.1× 260 6.5k
Jason Chia‐Hsien Cheng Taiwan 37 1.2k 0.4× 562 0.3× 1.2k 1.1× 1.0k 1.1× 1.4k 1.7× 208 4.5k
Ryota Masuzaki Japan 24 2.1k 0.7× 1.7k 0.9× 610 0.5× 558 0.6× 314 0.4× 95 3.2k
Atsuo Inoue Japan 31 1.2k 0.4× 1.3k 0.7× 527 0.5× 326 0.4× 1.1k 1.4× 99 3.6k
Shengxiang Rao China 32 1.4k 0.5× 868 0.5× 792 0.7× 966 1.0× 637 0.8× 173 3.6k
Tu Vinh Luong United Kingdom 31 1.4k 0.5× 1.8k 0.9× 1.1k 1.0× 1.0k 1.1× 208 0.3× 113 3.9k

Countries citing papers authored by Kazushi Numata

Since Specialization
Citations

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

Fields of papers citing papers by Kazushi Numata

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Kazushi Numata

This figure shows the co-authorship network connecting the top 25 collaborators of Kazushi Numata. A scholar is included among the top collaborators of Kazushi Numata 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 Kazushi Numata. Kazushi Numata 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.
2.
Reig, María, Andrew M. Moon, Ted K. Yanagihara, et al.. (2025). 1477P Overall survival among 4913 patients with hepatocellular carcinoma treated with external beam radiation therapy: Individual patient data outcomes from a multinational cohort. Annals of Oncology. 36. S823–S824. 1 indexed citations
3.
Ueshima, Kazuomi, Kaoru Tsuchiya, Tatsuya Yamashita, et al.. (2025). Atezolizumab Plus Bevacizumab for TACE ‐Unsuitable Intermediate‐Stage HCC Beyond Up‐To‐7 Criteria: Final Analysis of REPLACEMENT. Liver International. 45(12). e70379–e70379.
4.
Wang, Feiqian, Kazushi Numata, Makoto Chuma, et al.. (2024). Construction of a nomogram combining CEUS and MRI imaging for preoperative diagnosis of microvascular invasion in hepatocellular carcinoma. European Journal of Radiology Open. 13. 100587–100587. 2 indexed citations
5.
Kudo, Masatoshi, Masafumi Ikeda, Hiroshi Aikata, et al.. (2024). First-Line Lenvatinib plus Pembrolizumab for Hepatocellular Carcinoma: Post hoc Analysis of Japanese Patients from the Phase 3 LEAP-002 Trial. Liver Cancer. 14(4). 365–377.
6.
Okada, Masahiro, et al.. (2024). CT and MR Imaging of Hepatocellular Carcinoma and Liver Cirrhosis. Gastroenterology Insights. 15(4). 976–997. 1 indexed citations
7.
8.
Kobayashi, Satoshi, Taito Fukushima, Makoto Ueno, et al.. (2024). Progression pattern and post‐progression survival following atezolizumab and bevacizumab treatment in advanced hepatocellular carcinoma. Liver International. 44(6). 1343–1350.
9.
Doi, Yoshiko, Yasushi Nagata, Yasuo Matsumoto, et al.. (2023). Multicenter retrospective study of stereotactic body radiotherapy for patients with previously untreated initial small hepatocellular carcinoma. Hepatology Research. 53(8). 749–760. 1 indexed citations
10.
Kato, Naoya, Masatoshi Kudo, Kaoru Tsuchiya, et al.. (2023). Cabozantinib in Japanese patients with advanced hepatocellular carcinoma: Final results of a multicenter phase II study. Hepatology Research. 53(5). 409–416. 3 indexed citations
11.
12.
Uojima, Haruki, Makoto Chuma, Xue Shao, et al.. (2020). Influence of NOS3 rs2070744 genotypes on hepatocellular carcinoma patients treated with lenvatinib. Scientific Reports. 10(1). 17054–17054. 5 indexed citations
13.
Sasaki, Tomohiko, Aya Ikeda, Kentaro Sakamaki, et al.. (2019). Correlation between the macroscopic severity of Crohn’s disease in resected intestine and bowel wall thickness evaluated by water-immersion ultrasonography. Scandinavian Journal of Gastroenterology. 54(11). 1331–1338.
14.
Miwa, Haruo, Kazushi Numata, Kazuya Sugimori, et al.. (2018). Differential diagnosis of gallbladder polypoid lesions using contrast-enhanced ultrasound. Abdominal Radiology. 44(4). 1367–1378. 21 indexed citations
15.
Choo, Su Pin, Thomas Yau, Chih‐Hung Hsu, et al.. (2017). Efficacy and safety of nivolumab in asian patients with advanced hepatocellular carcinoma (HCC): Subanalysis of the CheckMate 040 Study. Annals of Oncology. 28. x57–x58. 1 indexed citations
16.
Numata, Kazushi, Hiroyuki Fukuda, Manabu Morimoto, et al.. (2011). Early hepatocellular carcinoma: findings of contrast-enhanced sonography. Kanzo. 52(7). 429–440. 1 indexed citations
17.
Numata, Kazushi, Masahiro Terada, Manabu Morimoto, et al.. (2010). Comparison between adverse events of half-dose and standard dose administration of sorafenib for advanced hepatocellular carcinoma. Kanzo. 51(7). 400–402. 1 indexed citations
18.
Numata, Kazushi, Yutaka Ozawa, Noritoshi Kobayashi, et al.. (2004). Contrast-Enhanced Sonography of Autoimmune Pancreatitis. Journal of Ultrasound in Medicine. 23(2). 199–206. 48 indexed citations
19.
Numata, Kazushi, Naoya Ikeda, Tomihiro Katayama, et al.. (1993). Vitreous biopsy led to diagnosis in a case of primary ocular malignant lymphoma. 47(4). 701–704.
20.
Numata, Kazushi, Kenichi Takayasu, Yukio Muramatsu, et al.. (1989). Clinico-pathological study of cholangiocellular carcinoma.. The Japanese Journal of Gastroenterological Surgery. 22(10). 2375–2382. 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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