Junichi Okuda

2.2k total citations · 2 hit papers
38 papers, 1.7k citations indexed

About

Junichi Okuda is a scholar working on Surgery, Pulmonary and Respiratory Medicine and Epidemiology. According to data from OpenAlex, Junichi Okuda has authored 38 papers receiving a total of 1.7k indexed citations (citations by other indexed papers that have themselves been cited), including 15 papers in Surgery, 14 papers in Pulmonary and Respiratory Medicine and 8 papers in Epidemiology. Recurrent topics in Junichi Okuda's work include Gastric Cancer Management and Outcomes (9 papers), Liver Disease Diagnosis and Treatment (6 papers) and Metastasis and carcinoma case studies (6 papers). Junichi Okuda is often cited by papers focused on Gastric Cancer Management and Outcomes (9 papers), Liver Disease Diagnosis and Treatment (6 papers) and Metastasis and carcinoma case studies (6 papers). Junichi Okuda collaborates with scholars based in Japan and India. Junichi Okuda's co-authors include Kazunori Ida, Takao Kojima, Masahide Hamaguchi, Kota Fujii, Tomoaki Nakajima, Noriyuki Takeda, Takahiro Kato, Hiroya Taniguchi, Tatsushi Omatsu and Makoto Shimazaki and has published in prestigious journals such as Annals of Internal Medicine, The American Journal of Gastroenterology and Gastrointestinal Endoscopy.

In The Last Decade

Junichi Okuda

35 papers receiving 1.7k 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.

The Metabolic Syndrome as a Predictor of Nonalcoholic Fatty Liver Disease

2005 845 citations Masahide Hamaguchi, Takao Kojima et al. Annals of Internal Medicine profile →
The Severity of Ultrasonographic Findings in Nonalcoholic Fatty Liver Disease Reflects the Metabolic Syndrome and Visceral Fat Accumulation

2007 726 citations Masahide Hamaguchi, Takao Kojima et al. The American Journal of Gastroenterology profile →

Peers

Junichi Okuda

EPIDE

EDM

HEPAT

PFM

SURGE

Roberto Tessari Italy

Sherif Saadeh United States

Munkhzul Otgonsuren United States

Mariam Afendy United States

Marcelo Kugelmas United States

Mette Skalshøi Kjær Denmark

Guillaume Lassailly France

Mohammad Shafi Kuchay India

Akihiro Obora Japan

Llorenç Caballería Spain

Roberto Tessari Italy

Junichi Okuda

1.7k ×1.2

EPIDE

1.1k ×1.5

EDM

458 ×0.9

HEPAT

431 ×1.2

PFM

338 ×1.1

SURGE

Citations per year, relative to Junichi Okuda Junichi Okuda (= 1×) peers Roberto Tessari

Countries citing papers authored by Junichi Okuda

Since Specialization

Citations

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

Fields of papers citing papers by Junichi Okuda

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Junichi Okuda

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

Mitsui, Hiroshi, Katsuya Kobayashi, Naoaki Hashimoto, et al.. (2009). A case of a duodenal gastrointestinal stromal tumor diagnosed with the aid of diffusion-weighted magnetic resonance imaging. Clinical Journal of Gastroenterology. 2(6). 384–387. 2 indexed citations

Hamaguchi, Masahide, Takao Kojima, Yoshito Itoh, et al.. (2007). The Severity of Ultrasonographic Findings in Nonalcoholic Fatty Liver Disease Reflects the Metabolic Syndrome and Visceral Fat Accumulation. The American Journal of Gastroenterology. 102(12). 2708–2715. 726 indexed citations breakdown →

Ishizawa, Takeaki, et al.. (2006). Metastatic Renal Cell Carcinoma of the Gallbladder. Asian Journal of Surgery. 29(3). 145–148. 24 indexed citations

Hamaguchi, Masahide, Takao Kojima, Noriyuki Takeda, et al.. (2005). The Metabolic Syndrome as a Predictor of Nonalcoholic Fatty Liver Disease. Annals of Internal Medicine. 143(10). 722–728. 845 indexed citations breakdown →

Uchiyama, Kazuhiko, Kazunori Ida, Junichi Okuda, et al.. (2004). Correlations of hemoglobin index (IHb) of gastric mucosa with Helicobacter pylori (H. pylori) infection and inflammation of gastric mucosa. Scandinavian Journal of Gastroenterology. 39(11). 1054–1060. 24 indexed citations

Hamaguchi, Masahide, et al.. (2004). Gallbladder perforation associated with gastric EMR for gastric adenoma. Gastrointestinal Endoscopy. 60(3). 488–490. 4 indexed citations

Ida, Kazunori, Junichi Okuda, Masaaki Kuroda, et al.. (2002). A REPORT FROM AN ENDOSCOPIC STUDY GROUP ON HELICOBACTER PYLORI. Acta gastro-enterologica belgica. 44(2). 183–190. 1 indexed citations

Okuda, Junichi, Kazuhiko Uchiyama, Kazunori Ida, & Masaaki Kuroda. (2002). The Possibility of Infectious Diagnosis of Helicobacter pylori Using Double-Contrast Radiology.. Health Evaluation and Promotion. 29(5). 894–898. 1 indexed citations

Nagahori, Kaoru, et al.. (1997). Hepatic resection for ruptured hepatocellular carcinoma and its recurrent pattern.. Kanzo. 38(4). 232–237. 3 indexed citations

10.

Katagishi, Tatsuo, Takao Kojima, Takaaki Fujii, et al.. (1994). Evaluation of endoscopic variceal ligation (evl) for esophagogastric varices. Acta gastro-enterologica belgica. 36(10). 1964–1968. 3 indexed citations

11.

Fujii, Hideki, et al.. (1994). Glucagon responses in rabbits with obstructive jaundice and a low energy status in the liver. Surgery Today. 24(11). 982–986. 1 indexed citations

12.

Ida, Kazunori, Takaaki Fujii, Nobuaki Yagi, et al.. (1992). Multiple Early Gastric Carcinoma in Cases Treated Endoscopically. Digestive Endoscopy. 4(3). 239–246. 2 indexed citations

13.

Andou, Takashi, Takao Kojima, Junichi Okuda, et al.. (1987). Study of photoradiation therapy by intra-arterial injection of HpD. Nippon Laser Igakkaishi. 7(3). 143–144. 1 indexed citations

14.

Andoh, Takashi, Shuji Katoh, Akihiro Azuma, et al.. (1987). Clinical studies of reinfusion of cell-free and concentrated autogenous ascitic fluid for intractable ascites in patients with terminal malignant tumor (The 3rd report). Journal of Japanese Society for Dialysis Therapy. 20(12). 931–936. 1 indexed citations

15.

Ida, Kazunori, et al.. (1987). Is Curative Endoscopic Treatment of Early Gastric Cancer Possible?. Endoscopy. 19(S 1). 7–11. 32 indexed citations

16.

Okuda, Junichi, et al.. (1985). ENDOSCOPIC STUDY ON AREAE GASTRICAE OF THE ANTRAL MUCOSA. Acta gastro-enterologica belgica. 27(8). 1580–1589. 1 indexed citations

17.

Okuda, Junichi, et al.. (1984). A case of mucosal bridge of stomach coexisting with early gastric cancer. Acta gastro-enterologica belgica. 26(4). 566–571.

18.

Ozaki, Masayuki, et al.. (1984). ENDOSCOPIC STUDY ON AREAE GASTRICAE OF THE FUNDIC MUCOSA. Acta gastro-enterologica belgica. 26(2). 1 indexed citations

19.

Okuda, Junichi, et al.. (1984). A CASE OF INTESTINAL METAPLASIA OF THE STOMACH SHOWING MARKED EXTENT FOR 8 YEARS. Acta gastro-enterologica belgica. 26(9). 1 indexed citations

20.

Kobayashi, Y., Kimiaki Kawara, Takashi Kozasa, Shuji Sato, & Junichi Okuda. (1980). 2.2-MICRON Polarization Mapping of the Galactic Center. 32. 291. 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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