Waku Hatta

2.8k total citations
95 papers, 989 citations indexed

About

Waku Hatta is a scholar working on Surgery, Pulmonary and Respiratory Medicine and Gastroenterology. According to data from OpenAlex, Waku Hatta has authored 95 papers receiving a total of 989 indexed citations (citations by other indexed papers that have themselves been cited), including 60 papers in Surgery, 47 papers in Pulmonary and Respiratory Medicine and 32 papers in Gastroenterology. Recurrent topics in Waku Hatta's work include Gastric Cancer Management and Outcomes (38 papers), Helicobacter pylori-related gastroenterology studies (27 papers) and Esophageal Cancer Research and Treatment (26 papers). Waku Hatta is often cited by papers focused on Gastric Cancer Management and Outcomes (38 papers), Helicobacter pylori-related gastroenterology studies (27 papers) and Esophageal Cancer Research and Treatment (26 papers). Waku Hatta collaborates with scholars based in Japan, Malaysia and Canada. Waku Hatta's co-authors include Tomoyuki Koike, Atsushi Masamune, Akira Imatani, Kaname Uno, Naoki Asano, Tooru Shimosegawa, Katsunori Iijima, Takuji Gotoda, Nobuyuki Ara and Kiyotaka Asanuma and has published in prestigious journals such as SHILAP Revista de lepidopterología, Gastroenterology and PLoS ONE.

In The Last Decade

Waku Hatta

86 papers receiving 971 citations

Peers — A (Enhanced Table)

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

Name h Career Trend Papers Cites
Waku Hatta Japan 19 578 505 299 161 106 95 989
Sang‐Woong Lee Japan 23 694 1.2× 997 2.0× 463 1.5× 263 1.6× 179 1.7× 88 1.5k
Toru Ishiguro Japan 15 488 0.8× 452 0.9× 133 0.4× 248 1.5× 63 0.6× 95 833
George Pappas‐Gogos Greece 16 651 1.1× 372 0.7× 90 0.3× 274 1.7× 140 1.3× 50 1000
Mao-Chih Hsieh Taiwan 16 342 0.6× 453 0.9× 216 0.7× 181 1.1× 69 0.7× 29 752
Noriko Nishiyama Japan 22 995 1.7× 1.1k 2.1× 719 2.4× 241 1.5× 185 1.7× 152 1.6k
Yingtai Chen China 17 362 0.6× 471 0.9× 142 0.5× 382 2.4× 123 1.2× 99 1.1k
Keiji Hayata Japan 21 601 1.0× 748 1.5× 332 1.1× 313 1.9× 109 1.0× 89 1.2k
Jin Seok Jang South Korea 16 382 0.7× 470 0.9× 203 0.7× 275 1.7× 103 1.0× 51 814
Sooyeon Oh South Korea 16 422 0.7× 433 0.9× 195 0.7× 221 1.4× 81 0.8× 39 773
Tomofumi Akasaka Japan 22 724 1.3× 1.0k 2.1× 454 1.5× 364 2.3× 141 1.3× 65 1.4k

Countries citing papers authored by Waku Hatta

Since Specialization
Citations

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

Fields of papers citing papers by Waku Hatta

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Waku Hatta

This figure shows the co-authorship network connecting the top 25 collaborators of Waku Hatta. A scholar is included among the top collaborators of Waku Hatta 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 Waku Hatta. Waku Hatta 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.
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
2.
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.
3.
Abe, Seiichiro, Waku Hatta, Takao Maekita, et al.. (2025). A Multicenter Pivotal Study on the Artificial Intelligence System for Neoplastic Lesions Detection in Upper Gastrointestinal Endoscopy. Digestive Endoscopy. 37(12). 1306–1314.
4.
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.
5.
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
6.
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
7.
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.
8.
Uno, Kaname, Naoki Asano, Shin Hamada, et al.. (2023). Porphyromonas gingivalis Lipopolysaccharide Damages Mucosal Barrier to Promote Gastritis-Associated Carcinogenesis. Digestive Diseases and Sciences. 69(1). 95–111. 7 indexed citations
9.
Kadota, Tomohiro, Ryu Ishihara, Waku Hatta, et al.. (2023). Multi‐institutional questionnaire on treatment strategies for superficial entire circumferential esophageal squamous cell carcinoma. SHILAP Revista de lepidopterología. 3(1). e206–e206. 1 indexed citations
10.
Takeuchi, Akio, Naoki Asano, Akira Imatani, et al.. (2022). Suppressed Cellular Senescence Mediated by T-box3 in Aged Gastric Epithelial Cells may Contribute to Aging-related Carcinogenesis. Cancer Research Communications. 2(8). 772–783. 7 indexed citations
11.
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
12.
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
13.
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
14.
Hatta, Waku, Takuji Gotoda, Takeshi Kanno, et al.. (2020). Prevalence and risk factors for lymph node metastasis after noncurative endoscopic resection for early gastric cancer: a systematic review and meta-analysis. Journal of Gastroenterology. 55(8). 742–753. 19 indexed citations
15.
16.
Asanuma, Kiyotaka, Tomoyuki Koike, Yasuaki Abe, et al.. (2020). Impaired Mucosal Integrity in Proximal Esophagus Is Involved in Development of Proton Pump Inhibitor-Refractory Nonerosive Reflux Disease. Digestion. 102(3). 404–414. 7 indexed citations
17.
Abe, Yasuaki, Tomoyuki Koike, Masahiro Saito, et al.. (2019). Influence of the pH Value of Refluxate and Proximal Extent on Heartburn Perception in Patients with Proton Pump Inhibitor-Refractory Non-Erosive Reflux Disease. Digestion. 101(4). 375–381. 7 indexed citations
18.
19.
Hatta, Waku, Tomoyuki Koike, Takeshi Kanno, et al.. (2017). The slow progressive nature of duodenal neuroendocrine tumor: a case report of long-term observation over 14 years. Clinical Journal of Gastroenterology. 10(5). 469–473. 2 indexed citations
20.
Hatta, Waku, Kaname Uno, Tomoyuki Koike, et al.. (2012). A prospective comparative study of optical coherence tomography and EUS for tumor staging of superficial esophageal squamous cell carcinoma. Gastrointestinal Endoscopy. 76(3). 548–555. 29 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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