Yohei Ogata

552 total citations · 1 hit paper
30 papers, 303 citations indexed

About

Yohei Ogata is a scholar working on Surgery, Pulmonary and Respiratory Medicine and Epidemiology. According to data from OpenAlex, Yohei Ogata has authored 30 papers receiving a total of 303 indexed citations (citations by other indexed papers that have themselves been cited), including 20 papers in Surgery, 18 papers in Pulmonary and Respiratory Medicine and 7 papers in Epidemiology. Recurrent topics in Yohei Ogata's work include Gastric Cancer Management and Outcomes (13 papers), Helicobacter pylori-related gastroenterology studies (12 papers) and Neuroendocrine Tumor Research Advances (6 papers). Yohei Ogata is often cited by papers focused on Gastric Cancer Management and Outcomes (13 papers), Helicobacter pylori-related gastroenterology studies (12 papers) and Neuroendocrine Tumor Research Advances (6 papers). Yohei Ogata collaborates with scholars based in Japan and Canada. Yohei Ogata's co-authors include Motoki Ohyauchi, Masashi Kawamura, Hirotaka Ito, Chika Kusano, Hisatomo Ikehara, Masahiko Ohtaka, Koichi Kawabe, Ryoji Ichijima, Takuji Gotoda and Sho Suzuki and has published in prestigious journals such as SHILAP Revista de lepidopterología, Gastroenterology and Gut.

In The Last Decade

Yohei Ogata

23 papers receiving 303 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.

Seven-day vonoprazan and low-dose amoxicillin dual therapy as first-line Helicobacter pylori treatment: a multicentre randomised trial in Japan

2020 167 citations Sho Suzuki, Takuji Gotoda et al. Gut profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Yohei Ogata Japan	8	250	150	132	57	31	30	303
Chi-Yang Chang Taiwan	7	316 1.3×	184 1.2×	131 1.0×	66 1.2×	40 1.3×	10	362
Bor‐Shyang Sheu Taiwan	9	211 0.8×	65 0.4×	148 1.1×	38 0.7×	30 1.0×	16	266
S D Xiao China	10	381 1.5×	181 1.2×	170 1.3×	72 1.3×	30 1.0×	19	429
Chun‐Hui Lan China	12	328 1.3×	152 1.0×	181 1.4×	88 1.5×	22 0.7×	25	432
Bashir Rameh United Kingdom	5	209 0.8×	86 0.6×	91 0.7×	29 0.5×	23 0.7×	8	266
R.M. Zagari Italy	9	286 1.1×	82 0.5×	194 1.5×	47 0.8×	31 1.0×	25	341
Ilva Daugule Latvia	12	314 1.3×	123 0.8×	126 1.0×	24 0.4×	49 1.6×	34	358
Roque Estrada United States	7	317 1.3×	160 1.1×	176 1.3×	48 0.8×	23 0.7×	11	338
Marta Gallach Spain	8	245 1.0×	94 0.6×	164 1.2×	27 0.5×	41 1.3×	16	303
Kyung Ran Cho South Korea	4	221 0.9×	121 0.8×	62 0.5×	21 0.4×	20 0.6×	4	282

Countries citing papers authored by Yohei Ogata

Since Specialization

Citations

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

Fields of papers citing papers by Yohei Ogata

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Yohei Ogata

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

Ogata, Yohei, Waku Hatta, Takeshi Kanno, et al.. (2025). Type 2 and type 3 gastric neuroendocrine tumors have high risk of lymph node metastasis: Systematic review and meta‐analysis. Digestive Endoscopy. 37(8). 834–843. 1 indexed citations

Ogata, Yohei, et al.. (2025). Recent Advances in Endoscopic Submucosal Dissection for Gastric Cancer: Focusing on Expanded Indications and Technological Innovations. Journal of the Korean Gastric Cancer Association. 26(1). 76–76.

Saito, Masahiro, Tomoyuki Koike, Yohei Ogata, et al.. (2025). Associations between excessive supragastric belching and esophageal reflux factors in patients with PPI-refractory GERD in Japan. Journal of Gastroenterology. 60(9). 1070–1078.

Kanno, Takeshi, Tomoyuki Koike, Kiyotaka Asanuma, et al.. (2025). Epidemiology of dyspepsia and esophagogastroduodenoscopic findings in the era of Helicobacter pylori eradication. World Journal of Gastroenterology. 31(37). 110942–110942.

Ogata, Yohei, Waku Hatta, Takeshi Kanno, et al.. (2025). Prevalence and risk factors for lymph node metastasis in duodenal neuroendocrine tumors: a systematic review and meta-analysis. Journal of Gastroenterology. 60(6). 673–682.

Hatta, Waku, Tomoyuki Koike, Naoki Asano, et al.. (2024). The Impact of Tobacco Smoking and Alcohol Consumption on the Development of Gastric Cancers. International Journal of Molecular Sciences. 25(14). 7854–7854. 10 indexed citations

Kawamura, Masashi, Noriya Uedo, Kenshi Yao, et al.. (2024). Endoscopic and histological risk stratification for gastric cancer using gastric intestinal metaplasia. Journal of Gastroenterology and Hepatology. 39(9). 1910–1916. 3 indexed citations

Uno, Kaname, Yohei Ogata, Masahiro Saito, et al.. (2024). A case of esophagogastric submucosal hematoma with hemorrhagic shock. Clinical Journal of Gastroenterology. 18(1). 48–52.

Takikawa, Tetsuya, Kazuhiro Kikuta, Yohei Ogata, et al.. (2024). Risk Factors and a Prediction Model for Pain Recurrence After Pancreatic Stent Removal in Painful Chronic Pancreatitis. Pancreas. 54(1). e30–e38. 1 indexed citations

10.

Hatta, Waku, Tomoyuki Koike, Yohei Ogata, et al.. (2024). Gastric Leiomyosarcoma Completely Resected by Endoscopic Submucosal Dissection after a Precise Preoperative Diagnosis. Internal Medicine. 64(5). 705–709.

11.

Hatta, Taku, et al.. (2024). Evolution of Stemless Reverse Shoulder Arthroplasty: Current Indications, Outcomes, and Future Prospects. Journal of Clinical Medicine. 13(13). 3813–3813. 3 indexed citations

12.

Ono, Yoshitaka, Waku Hatta, Kunio Tarasawa, et al.. (2024). Optimal direct oral anticoagulant for upper gastrointestinal endoscopic submucosal dissection. Journal of Gastroenterology. 60(1). 66–76.

13.

Abe, Hiroko, Kunio Tarasawa, Waku Hatta, et al.. (2023). Similar Effect of Vonoprazan and Oral Proton Pump Inhibitors for Preventing Rebleeding in Cases of Upper Gastrointestinal Bleeding. Internal Medicine. 63(7). 911–918. 1 indexed citations

14.

Takikawa, Tetsuya, Kazuhiro Kikuta, Shin Hamada, et al.. (2022). A New Preoperative Scoring System for Predicting Aggressiveness of Non-Functioning Pancreatic Neuroendocrine Neoplasms. Diagnostics. 12(2). 397–397. 4 indexed citations

15.

Kawamura, Masashi, Tomoyuki Koike, Yohei Ogata, et al.. (2022). Endoscopic Grading of Gastric Intestinal Metaplasia Using Magnifying and Nonmagnifying Narrow-Band Imaging Endoscopy. Diagnostics. 12(12). 3012–3012. 5 indexed citations

16.

Hatta, Waku, Kiyotaka Asanuma, Naoki Asano, et al.. (2022). Decreased Expression of NRF2 Target Genes after Alcohol Exposure in the Background Esophageal Mucosa of Patients with Esophageal Squamous Cell Carcinoma. The Tohoku Journal of Experimental Medicine. 258(3). 195–206. 2 indexed citations

17.

Kawamura, Masashi, Noriya Uedo, Tomoyuki Koike, et al.. (2021). Kyoto classification risk scoring system and endoscopic grading of gastric intestinal metaplasia for gastric cancer: Multicenter observation study in Japan. Digestive Endoscopy. 34(3). 508–516. 33 indexed citations

18.

Abe, Hiroko, Waku Hatta, Yohei Ogata, et al.. (2021). Prevention of delayed bleeding with vonoprazan in upper gastrointestinal endoscopic treatment. Journal of Gastroenterology. 56(7). 640–650. 17 indexed citations

19.

Ogata, Yohei, Waku Hatta, Yuki Ohara, et al.. (2021). Predictors of early and late mortality after the treatment for early gastric cancers. Digestive Endoscopy. 34(4). 816–825. 15 indexed citations

20.

Suzuki, Sho, Takuji Gotoda, Chika Kusano, et al.. (2020). Seven-day vonoprazan and low-dose amoxicillin dual therapy as first-line Helicobacter pylori treatment: a multicentre randomised trial in Japan. Gut. 69(6). 1019–1026. 167 indexed citations breakdown →

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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