Akira Nishimura

5.2k total citations · 1 hit paper
134 papers, 3.9k citations indexed

About

Akira Nishimura is a scholar working on Surgery, Hepatology and Epidemiology. According to data from OpenAlex, Akira Nishimura has authored 134 papers receiving a total of 3.9k indexed citations (citations by other indexed papers that have themselves been cited), including 49 papers in Surgery, 34 papers in Hepatology and 30 papers in Epidemiology. Recurrent topics in Akira Nishimura's work include Helicobacter pylori-related gastroenterology studies (22 papers), Gastroesophageal reflux and treatments (21 papers) and Hepatocellular Carcinoma Treatment and Prognosis (19 papers). Akira Nishimura is often cited by papers focused on Helicobacter pylori-related gastroenterology studies (22 papers), Gastroesophageal reflux and treatments (21 papers) and Hepatocellular Carcinoma Treatment and Prognosis (19 papers). Akira Nishimura collaborates with scholars based in Japan, United States and United Kingdom. Akira Nishimura's co-authors include Kiyoshi Ashida, Yuichi Sakurai, Yuuichi Sakurai, Hiroyuki Okamoto, Toshihito Seki, Toru Tamai, Nobuo Funao, Taiichi Nakagawa, Noriyo Yamashiki and Madoka Shiino and has published in prestigious journals such as Gastroenterology, Cancer and Annals of Surgery.

In The Last Decade

Akira Nishimura

126 papers receiving 3.8k 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.

Vonoprazan, a novel potassium-competitive acid blocker, as a component of first-line and second-line triple therapy for Helicobacter pylori eradication: a phase III, randomised, double-blind study

2016 319 citations Yuuichi Sakurai, Madoka Shiino et al. profile →

Peers

Countries citing papers authored by Akira Nishimura

Since Specialization

Citations

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

Fields of papers citing papers by Akira Nishimura

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Akira Nishimura

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

#	Work	Indexed citations
1	Rasagiline monotherapy in early Parkinson's disease: A phase 3, randomized study in Japan 2018 ·Parkinsonism & Related Disorders ·Nobutaka Hattori, Atsushi Takeda, Shin‐ichi Takeda, Akira Nishimura, (unknown), Hideki Mochizuki, Masahiro Nagai, Ryōsuke Takahashi	37
2	Maintenance for healed erosive esophagitis: Phase III comparison of vonoprazan with lansoprazole 2018 ·World Journal of Gastroenterology ·Kiyoshi Ashida, Katsuhiko Iwakiri, Naoki Hiramatsu, Yuuichi Sakurai, Tetsuharu Hori, Kentarou Kudou, Akira Nishimura, Eiji Umegaki	74
3	A Quality Improvement Collaborative Program for Neonatal Pain Management in Japan 2017 ·Advances in Neonatal Care ·(unknown), (unknown), (unknown), (unknown), Rie Fukuhara, (unknown), (unknown), (unknown), Akira Nishimura, Masahiro Hayakawa, Yutaka Nishimura, (unknown)	12
4	Pharmacokinetics and Safety of Triple Therapy with Vonoprazan, Amoxicillin, and Clarithromycin or Metronidazole: A Phase 1, Open-Label, Randomized, Crossover Study 2016 ·Advances in Therapy ·Yuuichi Sakurai, Madoka Shiino, Hiroyuki Okamoto, Akira Nishimura, Koki Nakamura, Setsuo Hasegawa	35
5	Acid‐inhibitory effects of vonoprazan 20 mg compared with esomeprazole 20 mg or rabeprazole 10 mg in healthy adult male subjects ‐ a randomised open‐label cross‐over study 2015 ·Alimentary Pharmacology & Therapeutics ·Yuichi Sakurai, Yujiro Mori, Hiroyuki Okamoto, Akira Nishimura, Emiko Komura, Tsuyoshi Araki, Masanari Shiramoto	279
6	Safety, Tolerability, Pharmacokinetics, and Pharmacodynamics of Single Rising TAK-438 (Vonoprazan) Doses in Healthy Male Japanese/non-Japanese Subjects 2015 ·Clinical and Translational Gastroenterology ·Yuuichi Sakurai, Akira Nishimura, (unknown), Mark G. Hibberd, Richard O. Jenkins, Hiroyuki Okamoto, Tomoki Yoneyama, Helen Jenkins, Kiyoshi Ashida, Shin Irie, Jörg Täubel	141
7	Successful treatment of corneal wasp sting-induced panuveitis with vitrectomy 2013 ·Journal of Ophthalmic Inflammation and Infection ·(unknown), Akira Nishimura, Kazuhisa Sugiyama	9
8	SPATIAL ESTIMATION OF EUPHAUSIID BIOMASS ALONG THE PACIFIC COAST OF EASTERN HOKKAIDO, JAPAN IN EARLY SUMMER OF 2008 2011 ·Journal of marine science and technology ·Naoki Tojo, Kenji Minami, (unknown), (unknown), Tetsuichiro Funamoto, (unknown), Akira Nishimura, Kazushi Miyashita	5
9	Four cases of sporadic acute hepatitis E in Mie, Japan who were infected with European type genotype 3 hepatitis E virus 2011 ·Kanzo ·Hiroshi Okano, Tatsunori Nakano, (unknown), Tomohiro Sase, (unknown), Katsumi Mukai, Akira Nishimura, Keiichi Ito, Katsuya Shiraki, Yoshiyuki Takei, Hiroaki Okamoto	6
10	Unilateral choroidal excavation in the macula detected by spectral‐domain optical coherence tomography 2010 ·Acta Ophthalmologica ·(unknown), Akira Nishimura, Tomomi Higashide, (unknown), Kazuhisa Sugiyama	72
11	Fundus autofluorescence and spectral-domain optical coherence tomography findings of leopard spots in nanophthalmic uveal effusion syndrome 2010 ·Graefe s Archive for Clinical and Experimental Ophthalmology ·(unknown), Tomomi Higashide, (unknown), Akira Nishimura, Kazuhisa Sugiyama	9
12	Anterior segment optical coherence tomography findings of reverse pupillary block after scleral-fixated sutured posterior chamber intraocular lens implantation 2009 ·Journal of Cataract & Refractive Surgery ·Tomomi Higashide, (unknown), Akira Nishimura, Kazuhisa Sugiyama	32
13	A FLEXIBLE CHANDELIER FIBER PROBE HOLDER FOR VITRECTOMY 2008 ·Retina ·Masayo Kimura, Akira Nishimura, Akira Kobayashi, Kazuhisa Sugiyama	1
14	Does Precipitation Reduce Tissue Staining by Indocyanine Green Dye Solutions? 2003 ·Japanese Journal of Ophthalmology ·Akira Nishimura	6
15	Visualization of conjunctival cyst by indocyanine green 2002 ·American Journal of Ophthalmology ·Akira Kobayashi, (unknown), Akira Nishimura, (unknown), Yutaka Shirao, Kazuo Kawasaki	17
16	The role of dendritic cells in bile duct destruction of primary biliary cirrhosis. An immunohistochemical study. 1997 ·Kanzo ·Toru Tamai, Tomohiro Shiro, Taiichi Nakagawa, (unknown), (unknown), Akira Nishimura, Toshihito Seki, Kyoichi Inoue, Akiharu Okamura	1
17	A new method of cea determination by latex agglutination using integrating sphere turbidimetric assay ista 1990 ·(unknown), (unknown), (unknown), (unknown), Hiroaki Yoshimura, Toru Okuyama, (unknown), Akira Nishimura, (unknown)	1
18	Prognostic Evaluation of Chronic Hepatitis with Particular Reference to the Findings of Repeated Liver Biopsy 1981 ·Yoshitane Kosaka, Yukihiko Tameda, Akira Nishimura, Kojiro Takase, Masao Fujimoto, Takashi Murayama, Toshiaki Ito, (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), Hisashi Matsumoto, (unknown), Michio Kobayashi, (unknown)	1
19	Early calcific stenosis of aortic and mitral Ionescu-Shiley valves in a patient with bioprosthetic infection 1981 ·Journal of Thoracic and Cardiovascular Surgery ·Edward H. Williams, Vincent R. Conti, Akira Nishimura, Lisa Stout, Victor J. Ferrans	9
20	INTRAOPERATIVE RADIOTHERAPY OF ADVANCED CARCINOMAS OF BILE DUCTS AND GALLBLADDER 1976 ·The Japanese Journal of Gastroenterological Surgery ·Takeshi Todoroki, Yoji Iwasaki, (unknown), (unknown), Hiroshi Sato, H Tsunemoto, Tatsuo Arai, (unknown), (unknown), Akira Nishimura, Kikuo Nakano, Masao Nakano	0

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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