Naoki Chiba

8.1k total citations · 3 hit papers
100 papers, 5.5k citations indexed

About

Naoki Chiba is a scholar working on Surgery, Gastroenterology and Pulmonary and Respiratory Medicine. According to data from OpenAlex, Naoki Chiba has authored 100 papers receiving a total of 5.5k indexed citations (citations by other indexed papers that have themselves been cited), including 62 papers in Surgery, 44 papers in Gastroenterology and 15 papers in Pulmonary and Respiratory Medicine. Recurrent topics in Naoki Chiba's work include Helicobacter pylori-related gastroenterology studies (51 papers), Gastroesophageal reflux and treatments (38 papers) and Eosinophilic Esophagitis (21 papers). Naoki Chiba is often cited by papers focused on Helicobacter pylori-related gastroenterology studies (51 papers), Gastroesophageal reflux and treatments (38 papers) and Eosinophilic Esophagitis (21 papers). Naoki Chiba collaborates with scholars based in Canada, Japan and United States. Naoki Chiba's co-authors include R H Hunt, JM Wilkinson, Richard H. Hunt, David Armstrong, Alan Barkun, Sander Veldhuyzen van Zanten, Carlo A Fallone, A. B. R. Thomson, John K. Marshall and Paul Moayyedi and has published in prestigious journals such as SHILAP Revista de lepidopterología, Gastroenterology and American Journal of Clinical Nutrition.

In The Last Decade

Naoki Chiba

98 papers receiving 5.3k 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 Toronto Consensus for the Treatment of Helicobacter pylori Infection in Adults

2016 652 citations Carlo A Fallone, Naoki Chiba et al. profile →
Speed of healing and symptom relief in grade II to IV gastroesophageal reflux disease: A meta-analysis

1997 639 citations Naoki Chiba et al. profile →
Eradication of Helicobacter pylori Using One‐week Triple Therapies Combining Omeprazole with Two Antimicrobials: The MACH I Study

1996 491 citations Sander Veldhuyzen van Zanten, Marc Bradette et al. profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Naoki Chiba Canada	34	4.1k	2.9k	1.0k	445	309	100	5.5k
Lori Fischbach United States	22	2.7k 0.7×	1.2k 0.4×	1.1k 1.1×	787 1.8×	30 0.1×	61	3.5k
Shiu Kum Lam Hong Kong	40	4.2k 1.0×	2.1k 0.7×	1.9k 1.9×	363 0.8×	78 0.3×	126	6.4k
Shiu‐Kum Lam Hong Kong	42	2.8k 0.7×	1.8k 0.6×	922 0.9×	201 0.5×	55 0.2×	151	4.8k
Peter Bauerfeind Switzerland	38	2.8k 0.7×	1.3k 0.5×	1.5k 1.5×	103 0.2×	13 0.0×	162	4.9k
Francesco Di Mario Italy	49	5.8k 1.4×	2.7k 0.9×	2.0k 1.9×	483 1.1×	60 0.2×	324	7.8k
David Graham United Kingdom	15	1.9k 0.5×	887 0.3×	725 0.7×	384 0.9×	27 0.1×	35	2.4k
Kenneth E.L. McColl United Kingdom	51	8.6k 2.1×	4.2k 1.5×	2.9k 2.9×	695 1.6×	60 0.2×	201	11.5k
M C Allison United Kingdom	27	1.0k 0.3×	392 0.1×	805 0.8×	24 0.1×	205 0.7×	63	2.9k
K. C. Lai Hong Kong	30	2.9k 0.7×	1.5k 0.5×	1.5k 1.4×	220 0.5×	38 0.1×	59	3.9k
Fernando Gomollón Spain	36	2.5k 0.6×	983 0.3×	612 0.6×	239 0.5×	42 0.1×	210	7.5k

Countries citing papers authored by Naoki Chiba

Since Specialization

Citations

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

Fields of papers citing papers by Naoki Chiba

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Naoki Chiba

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

Satoh, Taijyu, Saori Yamamoto, Yusuke Yamada, et al.. (2025). Long‐Term Prognostic and Hemodynamic Outcomes of Intensive Immunosuppressive Therapy in Patients With Pulmonary Arterial Hypertension Associated With Connective Tissue Disease. International Journal of Rheumatic Diseases. 28(10). e70431–e70431.

Satoh, Taijyu, Satoshi Higuchi, Kotaro Nochioka, et al.. (2024). Impact of Sodium‐Glucose Co‐Transporter‐2 Inhibitors on Exercise‐Induced Pulmonary Hypertension. Pulmonary Circulation. 14(4). e70026–e70026. 2 indexed citations

Chiba, Naoki, Keisuke Masuda, Ken‐ichi Uchida, & Yoshio Miura. (2023). Designing composition ratio of magnetic alloy multilayer for transverse thermoelectric conversion by Bayesian optimization. SHILAP Revista de lepidopterología. 1(2). 4 indexed citations

Chiba, Naoki, et al.. (2021). The effects on adventitious root formation caused by chrysanthemum stunt viroid in Chrysanthemum morifolium and C. seticuspe. Journal of Phytopathology. 169(11-12). 710–715. 1 indexed citations

Yokoyama, et al.. (2011). Significant correlations between optic nerve head microcirculation and visual field defects and nerve fiber layer loss in glaucoma patients with myopic glaucomatous disk. Clinical ophthalmology. 5. 1721–1721. 70 indexed citations

Kunikata, Hiroshi, et al.. (2011). Difficulty in Inserting 25- and 23-Gauge Trocar Cannula during Vitrectomy. Ophthalmologica. 226(4). 198–204. 4 indexed citations

Greenspoon, Joshua A., Alan Barkun, Marc Bardou, et al.. (2011). Management of Patients With Nonvariceal Upper Gastrointestinal Bleeding. Clinical Gastroenterology and Hepatology. 10(3). 234–239. 29 indexed citations

Yokoyama, Yu, et al.. (2011). Reproducibility of retinal circulation measurements obtained using laser speckle flowgraphy-NAVI in patients with glaucoma. Clinical ophthalmology. 5. 1171–1171. 147 indexed citations

Wahlqvist, P, Gordon Guyatt, David Armstrong, et al.. (2007). The Work Productivity and Activity Impairment Questionnaire for Patients with Gastroesophageal Reflux Disease (WPAI-GERD). PharmacoEconomics. 25(5). 385–396. 29 indexed citations

10.

Puhan, Milo A., Gordon Guyatt, David Armstrong, et al.. (2006). Validation of a symptom diary for patients with gastro‐oesophageal reflux disease. Alimentary Pharmacology & Therapeutics. 23(4). 531–541. 11 indexed citations

11.

Zanten, Sander Veldhuyzen van, David Armstrong, Naoki Chiba, et al.. (2006). Esomeprazole 40 mg Once a Day in Patients with Functional Dyspepsia: The Randomized, Placebo-Controlled “ENTER” Trial. The American Journal of Gastroenterology. 101(9). 2096–2106. 60 indexed citations

12.

Zanten, S. J. O. Veldhuyzen van, Naoki Chiba, David Armstrong, et al.. (2005). A Randomized Trial Comparing Omeprazole, Ranitidine, Cisapride, or Placebo in Helicobacter pylori Negative, Primary Care Patients with Dyspepsia: The CADET-HN Study. The American Journal of Gastroenterology. 100(7). 1477–1488. 88 indexed citations

13.

Innocenti, Alessio Degl’, Gordon Guyatt, Ingela Wiklund, et al.. (2005). The influence of demographic factors and health-related quality of life on treatment satisfaction in patients with gastroesophageal reflux disease treated with esomeprazole.. Health and Quality of Life Outcomes. 3(1). 4–4. 17 indexed citations

14.

Barkun, Alan, Robert Enns, David Armstrong, et al.. (2004). The Canadian Registry on Nonvariceal Upper Gastrointestinal Bleeding and Endoscopy (RUGBE): Endoscopic Hemostasis and Proton Pump Inhibition are Associated with Improved Outcomes in a Real-Life Setting. The American Journal of Gastroenterology. 99(7). 1238–1246. 270 indexed citations

15.

Izumoto, Hiroshi, Kazuaki Ishihara, Junya Kamata, et al.. (2001). Survival and sinus rhythm maintenance after modified Cox/maze procedure and mitral valve operation in patients with chronic atrial fibrillation. The Japanese Journal of Thoracic and Cardiovascular Surgery. 49(1). 58–61. 6 indexed citations

16.

Zanten, S J Veldhuyzen van, Nigel Flook, Naoki Chiba, et al.. (2000). An evidence-based approach to the management of uninvestigated dyspepsia in the era of Helicobacter pylori. Canadian Medical Association Journal. 162(12). 94 indexed citations

17.

Chiba, Naoki. (2000). Effects of In Vitro Antibiotic Resistance on Treatment: Bismuth-Containing Regimens. SHILAP Revista de lepidopterología. 14(10). 885–889. 32 indexed citations

18.

Chiba, Naoki. (1998). Definitions of Dyspepsia: Time for a Reappraisal. The European Journal of Surgery. 164(0). 14–23. 22 indexed citations

19.

Nakai, Kenji, Chuichi Itoh, Naoki Chiba, et al.. (1991). Spatial distribution of late porentials assessed by signal-averaged body surface mapping.. Japanese Circulation Journal. 55(4). 384–392. 4 indexed citations

20.

Johnson, B. Connor, et al.. (1969). Vitamin A and Nuclear RNA Synthesis. American Journal of Clinical Nutrition. 22(8). 1048–1058. 45 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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