Kunio Okuda

17.6k total citations · 3 hit papers
259 papers, 13.4k citations indexed

About

Kunio Okuda is a scholar working on Hepatology, Epidemiology and Surgery. According to data from OpenAlex, Kunio Okuda has authored 259 papers receiving a total of 13.4k indexed citations (citations by other indexed papers that have themselves been cited), including 156 papers in Hepatology, 146 papers in Epidemiology and 77 papers in Surgery. Recurrent topics in Kunio Okuda's work include Liver Disease Diagnosis and Treatment (111 papers), Liver Disease and Transplantation (76 papers) and Hepatitis B Virus Studies (57 papers). Kunio Okuda is often cited by papers focused on Liver Disease Diagnosis and Treatment (111 papers), Liver Disease and Transplantation (76 papers) and Hepatitis B Virus Studies (57 papers). Kunio Okuda collaborates with scholars based in Japan, United States and Italy. Kunio Okuda's co-authors include Kunihiko Ohnishi, Yukio Nakajima, Toshiro Nakashima, Hiroshi Obata, Toshio Ohtsuki, Nobuo Okazaki, Masao Omata, Masahiko Tomimatsu, Hiroshi Hasegawa and Hirotaka Musha and has published in prestigious journals such as Nature, New England Journal of Medicine and Blood.

In The Last Decade

Kunio Okuda

257 papers receiving 12.7k citations

Hit Papers

Natural history of hepatocellular carcinoma and prognosis... 1983 2026 1997 2011 1985 1983 1992 500 1000 1.5k
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. Natural history of hepatocellular carcinoma and prognosis in relation to treatment study of 850 patients
    1985 1.6k citations Kunio Okuda, Toshio Ohtsuki et al. profile →
  2. Pathology of hepatocellular carcinoma in Japan: 232 consecutive cases autopsied in ten years
    1983 476 citations Toshiro Nakashima, Kunio Okuda et al. profile →
  3. Hepatocellular Carcinoma: Recent Progress
    1992 451 citations Kunio Okuda Hepatology profile →

Peers — A (Enhanced Table)

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

Name h Career Trend Papers Cites
Kunio Okuda Japan 59 9.2k 6.6k 4.7k 1.9k 1.8k 259 13.4k
R. Pichlmayr Germany 59 6.1k 0.7× 3.3k 0.5× 7.0k 1.5× 2.5k 1.4× 1.8k 1.0× 524 13.2k
Shunzaburo Iwatsuki United States 69 9.0k 1.0× 4.0k 0.6× 10.0k 2.1× 3.1k 1.7× 1.8k 1.0× 201 16.0k
Peter J. Scheuer United Kingdom 47 10.4k 1.1× 9.8k 1.5× 2.6k 0.5× 1.0k 0.5× 936 0.5× 144 14.9k
Yasuhiko Sugawara Japan 58 10.2k 1.1× 4.5k 0.7× 8.1k 1.7× 2.4k 1.3× 2.1k 1.1× 502 14.2k
Fabio Farinati Italy 58 5.9k 0.6× 5.0k 0.7× 3.2k 0.7× 1.6k 0.8× 1.7k 0.9× 328 11.3k
Seung Woon Paik South Korea 52 7.8k 0.8× 6.4k 1.0× 3.0k 0.6× 1.6k 0.9× 1.4k 0.7× 367 11.6k
Luigi Pagliaro Italy 37 9.9k 1.1× 8.6k 1.3× 4.3k 0.9× 1.2k 0.7× 786 0.4× 79 12.6k
P. Neuhaus Germany 59 8.4k 0.9× 6.1k 0.9× 9.3k 2.0× 5.0k 2.7× 3.2k 1.7× 596 18.0k
Stefan G. Hübscher United Kingdom 70 8.2k 0.9× 6.9k 1.0× 5.1k 1.1× 1.9k 1.0× 839 0.5× 230 15.3k
Kendo Kiyosawa Japan 67 7.5k 0.8× 9.7k 1.5× 5.1k 1.1× 1.1k 0.6× 755 0.4× 364 16.9k

Countries citing papers authored by Kunio Okuda

Since Specialization
Citations

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

Fields of papers citing papers by Kunio Okuda

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Kunio Okuda

This figure shows the co-authorship network connecting the top 25 collaborators of Kunio Okuda. A scholar is included among the top collaborators of Kunio Okuda 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 Kunio Okuda. Kunio Okuda 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.
Okuda, Kunio. (2002). Natural history of hepatocellular carcinoma including fibrolamellar and hepato‐cholangiocarcinoma variants. Journal of Gastroenterology and Hepatology. 17(4). 401–405. 75 indexed citations
2.
Yasuda, Kazuto, Kunio Okuda, Noriko Endo, et al.. (1995). Hypoaminotransferasemia in patients undergoing long-term hemodialysis: Clinical and biochemical appraisal. Gastroenterology. 109(4). 1295–1300. 126 indexed citations
3.
TAKAHASHI, Yoshiyata & Kunio Okuda. (1993). Fulminant Hepatitis in Japan-Etiology and Prognostic Prediction. 10(4). 337–350. 3 indexed citations
4.
5.
Omata, Masao, Osamu Yokosuka, Fumio Imazeki, et al.. (1987). Correlation of hepatitis B virus DNA and antigens in the liver. Gastroenterology. 92(1). 192–196. 8 indexed citations
6.
Ohnishi, Kunihiko, Masayuki Saito, Takatsune Nakayama, Hitoshi Hatano, & Kunio Okuda. (1987). Effects of vasopressin on portal hemodynamics in patients with portal hypertension.. PubMed. 82(2). 135–8. 14 indexed citations
7.
8.
Uchiumi, Katsuo, Masao Omata, & Kunio Okuda. (1987). A follow-up study on the prognosis of chronic hepatitis. Difference between type B and non-B.. Kanzo. 28(8). 1015–1021. 2 indexed citations
9.
Arakawa, Masaaki, Masayoshi Kage, Shigetaka Sugihara, et al.. (1986). Emergence of Malignant Lesions Within an Adenomatous Hyperplastic Nodule in a Cirrhotic Liver. Gastroenterology. 91(1). 198–208. 198 indexed citations
10.
Nakayama, Takatsune, Kunihiko Ohnishi, Masayuki Saito, et al.. (1986). Clinical significance of portal systemic shunts in cirrhotic patients.. Kanzo. 27(11). 1584–1588. 1 indexed citations
11.
Tagawa, Masami, Masao Omata, Osamu Yokosuka, et al.. (1985). Early events in duck hepatitis B virus infection. Gastroenterology. 89(6). 1224–1229. 17 indexed citations
12.
Sugita, Shujiro, et al.. (1985). Experimental portal fibrosis induced by intraportal injection of bacteria.. Kanzo. 26(10). 1372–1379. 1 indexed citations
13.
Nakayama, Takatsune, Kunihiko Ohnishi, Masayuki Saito, et al.. (1985). Interrelationship between portal vein pressure and portal systemic shunt in patients with liver disease.. Kanzo. 26(8). 1049–1054. 2 indexed citations
14.
Sato, Shinichi, Kunihiko Ohnishi, Masayuki Saito, et al.. (1985). Clinical and portal hemodynamic features in cirrhotic patients having a large spontaneous spleno- and gastrorenal shunt.. Kanzo. 26(12). 1630–1636. 2 indexed citations
15.
Imazeki, Fumio, Masao Omata, Osamu Yokosuka, & Kunio Okuda. (1985). Integration of hepatitis B virus DNA in hepatocellular carcinoma.. Kanzo. 26(11). 1508–1513. 1 indexed citations
16.
Hatano, Hitoshi, Kunihiko Ohnishi, Masayuki Saito, et al.. (1983). An unusual portal-systemic shunt, most likely through a patent ductus venosus -A case report-. Kanzo. 24(11). 1308–1312. 2 indexed citations
17.
Ohnishi, Kunihiko, et al.. (1983). An Unusual Portal-Systemic Shunt, Most Likely Through a Patent Ductus Venosus. Gastroenterology. 85(4). 962–965. 16 indexed citations
18.
Musha, Hirotaka, et al.. (1980). Mechanism for development of systemic endotoxemia in patients with cirrhosis and portal endotoxemia. Kanzo. 21(10). 1322–1329. 1 indexed citations
19.
Kojiro, Masamichi, Toshiro Nakashima, Kazuyoshi Sakamoto, et al.. (1974). Studies on Primary Liver Carcinoma (II). Kanzo. 15(12). 771–778. 4 indexed citations
20.
Jinnouchi, Shigenobu, Masaaki Arakawa, Akio Nitta, & Kunio Okuda. (1974). Marked Hepatic Calcifcation seen in a Plain Abdominal Radiograph in a Case of Schistosomiasis. Kanzo. 15(3). 191–195. 1 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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