Naohiko Harada

3.9k total citations · 1 hit paper
110 papers, 3.0k citations indexed

About

Naohiko Harada is a scholar working on Surgery, Pulmonary and Respiratory Medicine and Gastroenterology. According to data from OpenAlex, Naohiko Harada has authored 110 papers receiving a total of 3.0k indexed citations (citations by other indexed papers that have themselves been cited), including 51 papers in Surgery, 31 papers in Pulmonary and Respiratory Medicine and 27 papers in Gastroenterology. Recurrent topics in Naohiko Harada's work include Gastric Cancer Management and Outcomes (16 papers), Gastrointestinal disorders and treatments (14 papers) and Gastrointestinal Tumor Research and Treatment (13 papers). Naohiko Harada is often cited by papers focused on Gastric Cancer Management and Outcomes (16 papers), Gastrointestinal disorders and treatments (14 papers) and Gastrointestinal Tumor Research and Treatment (13 papers). Naohiko Harada collaborates with scholars based in Japan and United States. Naohiko Harada's co-authors include Hajime Nawata, Kazuhiko Nakamura, Makoto Nakamuta, Munechika Enjoji, Tsuyoshi Yoshimoto, Tatsuya Fujino, Ivan J. Fuss, Warren Strober, Atsushi Kitani and Ryoichi Takayanagi and has published in prestigious journals such as SHILAP Revista de lepidopterología, The Journal of Immunology and Gastroenterology.

In The Last Decade

Naohiko Harada

103 papers receiving 2.9k 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.

TGF-β1 Plays an Important Role in the Mechanism of CD4+CD25+ Regulatory T Cell Activity in Both Humans and Mice

2004 525 citations Kazuhiko Nakamura, Naohiko Harada et al. profile →

Peers

Countries citing papers authored by Naohiko Harada

Since Specialization

Citations

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

Fields of papers citing papers by Naohiko Harada

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Naohiko Harada

This figure shows the co-authorship network connecting the top 25 collaborators of Naohiko Harada. A scholar is included among the top collaborators of Naohiko Harada 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 Naohiko Harada. Naohiko Harada 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	Clinical feasibility of gastric endoscopic submucosal dissection in patients on glucocorticoids or immunomodulators: Propensity-score-matched study 2025 ·Endoscopy International Open ·(unknown), Eikichi Ihara, (unknown), Yorinobu Sumida, Daisuke Yoshimura, (unknown), Taisuke Sasaki, (unknown), (unknown), (unknown), (unknown), (unknown), Mitsuru Esaki, Naohiko Harada	0
2	Importance of preoperative total colonoscopy and endoscopic resection after self-expandable metallic stent placement for obstructive colorectal cancer as a bridge-to-surgery 2023 ·BMC Gastroenterology ·(unknown), Shohei Hamada, Eikichi Ihara, (unknown), (unknown), (unknown), Taisuke Sasaki, Daisuke Yoshimura, Makoto Nakamuta, Yorinobu Sumida, Naohiko Harada	3
3	The feasibility of percutaneous transhepatic gallbladder aspiration for acute cholecystitis after self-expandable metallic stent placement for malignant biliary obstruction: a 10-year retrospective analysis in a single center 2022 ·Clinical Endoscopy ·(unknown), Nao Fujimori, (unknown), Masayuki Hijioka, Ken Kawabe, Naohiko Harada, Makoto Nakamuta, Takamasa Oono, Yoshihiro Ogawa	1
4	Endoscopic mucosal resection vs endoscopic submucosal dissection for superficial non-ampullary duodenal tumors 2020 ·World Journal of Gastrointestinal Oncology ·Mitsuru Esaki, Kazuhiro Haraguchi, Kazuya Akahoshi, (unknown), Akira Aso, Soichi Itaba, Haruei Ogino, (unknown), Hiroyuki Fujii, Kazuhiko Nakamura, Masaru Kubokawa, Naohiko Harada, Yosuke Minoda, Sho Suzuki, Eikichi Ihara, Yoshihiro Ogawa	11
5	A case of afferent loop syndrome with severe anastomosis stricture that was successfully treated by endoscopic balloon dilation 2018 ·Acta gastro-enterologica belgica ·(unknown), (unknown), Naohiko Harada, (unknown), (unknown), Hiroyuki Fujii, Yorinobu Sumida, Eikichi Ihara, Kazuhiko Nakamura	1
6	Mandibular reconstruction using custom-made titanium mesh tray and autogenous particulate cancellous bone and marrow 2013 ·Toukeibu Gan ·Yoshiki Hamada, Hiroyuki Yamada, (unknown), Takumi Ogawa, Yuko Shigeta, Tomoko Ikawa, (unknown), (unknown), (unknown), (unknown), Naohiko Harada, (unknown)	1
7	Expression profiles of genes associated with viral entry in HCV‐infected human liver 2011 ·Journal of Medical Virology ·Makoto Nakamuta, (unknown), Ryoko Yada, Yoko Aoyagi, Kenichiro Yasutake, Motoyuki Kohjima, Kunitaka Fukuizumi, Tsuyoshi Yoshimoto, Naohiko Harada, Masayoshi Yada, Masaki Kato, Kazuhiro Kotoh, Akinobu Taketomi, Yoshihiko Maehara, M Nakashima, Munechika Enjoji	14
8	Nutritional investigation of non-obese patients with non-alcoholic fatty liver disease: The significance of dietary cholesterol 2008 ·Scandinavian Journal of Gastroenterology ·Kenichiro Yasutake, Makoto Nakamuta, (unknown), (unknown), Kaori Masuda, (unknown), Tatsuya Fujino, Yoko Aoyagi, Kunitaka Fukuizumi, Tsuyoshi Yoshimoto, (unknown), Toshihiko Miyahara, Naohiko Harada, (unknown), Manabu Nakashima, Munechika Enjoji	173
9	A CASE OF THE PASSAGE OF A STRIPPED COLONIC MUCOSA 2005 ·Acta gastro-enterologica belgica ·Haruei Ogino, (unknown), Tadashi Misawa, (unknown), (unknown), (unknown), Naohiko Harada	1
10	SOMATOSTATIN ANALOGUE THERAPY IMPROVED SYMPTOM AND ENDOSCOPIC FINDINGS OF INTESTINAL LYMPHANGIECTASIA 2004 ·Acta gastro-enterologica belgica ·Kuniomi Honda, Ken Ito, Makoto Takahashi, (unknown), (unknown), Masaru Kubokawa, (unknown), (unknown), Kazuhiko Nakamura, Naohiko Harada, (unknown), Norimoto Nakamura, Hajime Nawata	1
11	Preoperative Diagnosis and Staging of Gallbladder Carcinoma by EUS 2003 ·Gastrointestinal Endoscopy ·(unknown), Hiroaki Kubo, Naohiko Harada, (unknown), Takashi Eguchi, Hajime Nawata	52
12	Two Cases of Colonic Adenomatous Polyps Accompanied by a Migrated Surgical Suture 2001 ·Endoscopy ·(unknown), Kazuya Akahoshi, Naohiko Harada, Yoshiharu Chijiíwa, I Sasaki, (unknown)	4
13	Intraductal Papillary-Mucinous Tumors of the Pancreas: Differential Diagnosis Between Benign and Malignant Tumors by Endoscopic Ultrasonography 2001 ·The American Journal of Gastroenterology ·Hiroaki Kubo, Yoshiharu Chijiíwa, Kazuya Akahoshi, (unknown), Naohiko Harada, Toshihiko Sumii, Masaki Takashima, Hajime Nawata	133
14	Vitamin C inhibits corpus gastritis in Helicobacter pylori‐infected patients during acid‐suppressive therapy 2001 ·Journal of Gastroenterology and Hepatology ·Masahiro Yoshinaga, (unknown), Naohiko Harada, (unknown), Hajime Nawata	11
15	Grasping forceps–assisted endoscopic resection of large pedunculated GI polypoid lesions 1999 ·Gastrointestinal Endoscopy ·Kazuya Akahoshi, (unknown), (unknown), (unknown), (unknown), (unknown), Kazuo Nakanishi, Naohiko Harada, Hajime Nawata	21
16	A New Approach to Pneumatosis cystoides intestinalis by Target Air-Enema CT 1998 ·The American Journal of Gastroenterology ·Eikichi Ihara, Naohiko Harada, (unknown), Yoshiharu Chijiíwa	11
17	Direct Inhibitory Effect of Thyrotropin-Releasing Hormone on Isolated Cecal Circular Smooth Muscle Cells of Guinea Pig 1996 ·Digestion ·Naohiko Harada, Yoshiharu Chijiíwa, Hirotada Akiho, Hiroaki Okabe, Hajime Nawata	3
18	Interaction between atrial natriuretic peptide and vasoactive intestinal peptide in guinea pig cecal smooth muscle 1995 ·Gastroenterology ·Hirotada Akiho, Yoshiharu Chijiíwa, Hiroaki Okabe, Naohiko Harada, Hajime Nawata	25
19	A CASE OF MALIGNANT LYMPHOMA OF THE STOMACH OBSERVED BY EUS BEFORE AND AFTER CHEMOTHERAPY 1988 ·Acta gastro-enterologica belgica ·Hiroshi Fujishima, Tadashi Misawa, Akira Maruoka, (unknown), Naohiko Harada, Teppei Kabemura, (unknown), Akira Tanaka, Yoshiharu Chijiíwa	1
20	Systemic triglyceride storage disease with normal carnitine: a putative defect in long-chain fatty acid metabolism 1988 ·Journal of the Neurological Sciences ·Hiroshi Ibayashi, Hiroshi Ideguchi, Naohiko Harada, (unknown), Ikuo Goto	15

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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