Masaharu Yoshihara

11.5k total citations · 1 hit paper
270 papers, 9.0k citations indexed

About

Masaharu Yoshihara is a scholar working on Surgery, Pulmonary and Respiratory Medicine and Gastroenterology. According to data from OpenAlex, Masaharu Yoshihara has authored 270 papers receiving a total of 9.0k indexed citations (citations by other indexed papers that have themselves been cited), including 158 papers in Surgery, 125 papers in Pulmonary and Respiratory Medicine and 63 papers in Gastroenterology. Recurrent topics in Masaharu Yoshihara's work include Helicobacter pylori-related gastroenterology studies (109 papers), Gastric Cancer Management and Outcomes (103 papers) and Gastroesophageal reflux and treatments (37 papers). Masaharu Yoshihara is often cited by papers focused on Helicobacter pylori-related gastroenterology studies (109 papers), Gastric Cancer Management and Outcomes (103 papers) and Gastroesophageal reflux and treatments (37 papers). Masaharu Yoshihara collaborates with scholars based in Japan, United States and Pakistan. Masaharu Yoshihara's co-authors include Shinji Tanaka, Kazuaki Chayama, Ken Haruma, Yasuhiko Kitadai, Masanori Ito, Goro Kajiyama, Shiro Oka, Toru Hiyama, Fumio Shimamoto and Koji Sumii and has published in prestigious journals such as Gastroenterology, Clinical Cancer Research and Journal of Nutrition.

In The Last Decade

Masaharu Yoshihara

263 papers receiving 8.8k 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.

Advantage of endoscopic submucosal dissection compared with EMR for early gastric cancer

2006 551 citations Shiro Oka, Shinji Tanaka et al. Gastrointestinal Endoscopy profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Masaharu Yoshihara Japan	56	4.9k	4.7k	2.5k	2.5k	1.5k	270	9.0k
Toshimasa Tsujinaka Japan	44	4.0k 0.8×	4.6k 1.0×	1.8k 0.7×	1.6k 0.6×	1.7k 1.1×	297	8.9k
Seigo Kitano Japan	62	6.9k 1.4×	6.8k 1.5×	4.0k 1.6×	3.7k 1.5×	1.4k 1.0×	506	14.4k
Michio Kaminishi Japan	46	3.0k 0.6×	2.6k 0.6×	1.3k 0.5×	1.2k 0.5×	2.5k 1.7×	223	7.5k
Hironori Yamamoto Japan	57	7.2k 1.5×	4.7k 1.0×	2.1k 0.8×	5.0k 2.0×	1.1k 0.8×	419	12.4k
Naoki Ohmiya Japan	46	3.8k 0.8×	1.8k 0.4×	1.8k 0.7×	1.9k 0.8×	735 0.5×	280	6.1k
Hiroshi Shimada Japan	54	5.6k 1.2×	4.2k 0.9×	4.0k 1.6×	780 0.3×	1.4k 1.0×	470	10.7k
Sang Gyun Kim South Korea	39	2.6k 0.5×	2.7k 0.6×	988 0.4×	1.3k 0.5×	1.7k 1.2×	220	6.1k
Hidetaka Mochizuki Japan	55	3.2k 0.7×	2.6k 0.6×	4.5k 1.8×	443 0.2×	1.2k 0.8×	231	9.0k
Tuomo J. Karttunen Finland	51	3.1k 0.6×	1.2k 0.3×	2.4k 0.9×	1.4k 0.6×	2.0k 1.4×	214	8.6k
Jeong Hoon Lee South Korea	43	2.6k 0.5×	2.8k 0.6×	954 0.4×	1.3k 0.5×	680 0.5×	307	5.7k

Countries citing papers authored by Masaharu Yoshihara

Since Specialization

Citations

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

Fields of papers citing papers by Masaharu Yoshihara

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Masaharu Yoshihara

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

Kamada, Tomoari, Ken Haruma, Masanori Ito, et al.. (2015). Time Trends in Helicobacter pylori Infection and Atrophic Gastritis Over 40 Years in Japan. Helicobacter. 20(3). 192–198. 78 indexed citations

Matsuo, Taiji, Masanori Ito, Shunsuke Takata, et al.. (2011). Low Prevalence of Helicobacter pylori-negative Gastric Cancer among Japanese. Helicobacter. 16(6). 415–419. 171 indexed citations

Yamaguchi, Toshiki, Shigeto Yoshida, Shinji Tanaka, et al.. (2009). Predicting the clinical response to cytapheresis in steroid-refractory or -dependent ulcerative colitis using contrast-enhanced ultrasonography. Scandinavian Journal of Gastroenterology. 44(7). 831–837. 16 indexed citations

Tanaka, Miwako, Yasuhiko Kitadai, Kei Shinagawa, et al.. (2009). THREE CASES OF EARLY GASTRIC CANCER WITH GASTRIC MALT LYMPHOMA TREATED WITH ENDOSCOPIC RESECTION. Acta gastro-enterologica belgica. 51(7). 1548–1555. 1 indexed citations

Hiyama, Toru, et al.. (2006). Medical Malpractice Litigation in Gastroenterological Practice in Japan: A 22-Yr Review of Civil Court Cases. The American Journal of Gastroenterology. 101(9). 1951–1953. 14 indexed citations

Kaneko, Iwao, Shinji Tanaka, Shiro Oka, et al.. (2006). Lymphatic Vessel Density at the Site of Deepest Penetration as a Predictor of Lymph Node Metastasis in Submucosal Colorectal Cancer. Diseases of the Colon & Rectum. 50(1). 13–21. 55 indexed citations

Oka, Shiro, Shinji Tanaka, Iwao Kaneko, et al.. (2006). Advantage of endoscopic submucosal dissection compared with EMR for early gastric cancer. Gastrointestinal Endoscopy. 64(6). 877–883. 551 indexed citations breakdown →

Hiyama, Toru, Shinji Tanaka, Masaharu Yoshihara, & Kazuaki Chayama. (2004). MEDICAL MALPRACTICE LITIGATION ASSOCIATED WITH DIGESTIVE ENDOSCOPY. 46(4). 911–918. 3 indexed citations

Hiyama, Toru, Shinji Tanaka, Masaharu Yoshihara, & Kazuaki Chayama. (2004). MIEDICAL IVIALPRACTICE LITIGATION ASSOCIATED WITH DIGESTIV:E ENDOSCOPY. Acta gastro-enterologica belgica. 46(4). 911–918. 2 indexed citations

10.

Ito, Masanori, S Tanaka, Toshio Kuwai, et al.. (2003). The specific expression of Hypoxia Inducible Factor‐1α in human gastric mucosa induced by nonsteroidal anti‐inflammatory drugs. Alimentary Pharmacology & Therapeutics. 18(s1). 90–98. 17 indexed citations

11.

Ito, Masanori, Ken Haruma, Tomoari Kamada, et al.. (2002). Helicobacter pylori eradication therapy improves atrophic gastritis and intestinal metaplasia: a 5‐year prospective study of patients with atrophic gastritis. Alimentary Pharmacology & Therapeutics. 16(8). 1449–1456. 158 indexed citations

12.

Hiyama, Toru, Ken Haruma, Yasuhiko Kitadai, et al.. (2001). Clinicopathological features of gastric mucosa‐associated lymphoid tissue lymphoma: A comparison with diffuse large B‐cell lymphoma without a mucosa‐associated lymphoid tissue lymphoma component. Journal of Gastroenterology and Hepatology. 16(7). 734–739. 23 indexed citations

13.

Miyoshi, Eiji, Ken Haruma, Toru Hiyama, et al.. (2001). Microsatellite instability is a genetic marker for the development of multiple gastric cancers. International Journal of Cancer. 95(6). 350–353. 58 indexed citations

14.

Nagata, Shinji, Shinji Tanaka, Ken Haruma, et al.. (1999). CLINICOPATHOLOGIC ANALYSIS OF NINE CASESWITH SMALL ADVANCED COLORECTAL CARCINOMAS LESS THAN 10 mm IN MAXIMUM DIAMETER. Acta gastro-enterologica belgica. 41(11). 2358–2367. 1 indexed citations

15.

Hiraga, Yuko, Shinji Tanaka, Ken Haruma, et al.. (1998). FOLLOW-UP STUDY ON LOCAL RESIDUALI RECURRENCE AND PROGNOSIS OF EARL, Y GASTRIC CANCERS RESECTED ENDOSCO PICALLY. Acta gastro-enterologica belgica. 40(12). 2102–2112. 1 indexed citations

16.

Suzuki, Takehiko, Toshitaka Tsuda, Ken Haruma, et al.. (1995). Growth of Human Gastric Carcinomas and Expression of Epidermal Growth Factor, Transforming Growth Factor-α, Epidermal Growth Factor Receptor and p185c-erB-2. Oncology. 52(5). 385–391. 12 indexed citations

17.

Tanaka, Shinji, Morihisa Akagi, Toshio Nishida, et al.. (1994). A CASE REPORT OF GASTRIC CANCER SIMULATING SUBMUCOSAL TUMOR. Acta gastro-enterologica belgica. 36(2). 343–350. 1 indexed citations

18.

Yoshihara, Masaharu, Koji Sumii, Goro Kajiyama, et al.. (1990). Clinical management of group iii lesion. Acta gastro-enterologica belgica. 32(5). 1133–1139. 1 indexed citations

19.

Haruma, Ken, et al.. (1989). GASTRIC MUCOSA IN PATIENTS WITH FOVEOLAR HYPERPLASTIC GASTRIC POLYPS. Acta gastro-enterologica belgica. 31(8). 2051–2059. 1 indexed citations

20.

Sumii, Koji, Naomi Uemura, Manabu Kimura, et al.. (1987). Recurrence of duodenal ulcers. With special reference to serum pepsinogen 1.:-WITH SPECIAL REFERENCE TO SERUM PEPSINOGEN 1-. Acta gastro-enterologica belgica. 29(1). 23–27. 2 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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