Ken Ishimura

894 total citations
36 papers, 707 citations indexed

About

Ken Ishimura is a scholar working on Surgery, Oncology and Pulmonary and Respiratory Medicine. According to data from OpenAlex, Ken Ishimura has authored 36 papers receiving a total of 707 indexed citations (citations by other indexed papers that have themselves been cited), including 22 papers in Surgery, 11 papers in Oncology and 9 papers in Pulmonary and Respiratory Medicine. Recurrent topics in Ken Ishimura's work include Liver Disease and Transplantation (5 papers), Cholangiocarcinoma and Gallbladder Cancer Studies (5 papers) and Gastrointestinal disorders and treatments (4 papers). Ken Ishimura is often cited by papers focused on Liver Disease and Transplantation (5 papers), Cholangiocarcinoma and Gallbladder Cancer Studies (5 papers) and Gastrointestinal disorders and treatments (4 papers). Ken Ishimura collaborates with scholars based in Japan and United States. Ken Ishimura's co-authors include Hajime Maeta, Hisao Wakabayashi, Takashi Maeba, Keiichi Okano, Yukihiko Karasawa, Fuminori Goda, Hisashi Usuki, Kunihiko Izuishi, Akihiro Kondo and Hidetsugu Wakabayashi and has published in prestigious journals such as Cancer, Annals of Surgery and Cardiovascular Research.

In The Last Decade

Ken Ishimura

31 papers receiving 681 citations

Peers — A (Enhanced Table)

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

Name h Career Trend Papers Cites
Ken Ishimura Japan 14 317 266 251 200 139 36 707
Hans Jørgen Frederiksen Denmark 12 226 0.7× 81 0.3× 82 0.3× 81 0.4× 61 0.4× 25 489
Tim R. Glowka Germany 12 315 1.0× 62 0.2× 143 0.6× 212 1.1× 61 0.4× 51 530
Leonardo Patrlj Croatia 15 442 1.4× 56 0.2× 165 0.7× 156 0.8× 88 0.6× 43 700
Andreas Kroh Germany 14 334 1.1× 67 0.3× 78 0.3× 95 0.5× 123 0.9× 57 639
Shunsuke Sato Japan 16 283 0.9× 91 0.3× 167 0.7× 170 0.8× 200 1.4× 79 863
Mitsuyoshi Tei Japan 14 363 1.1× 23 0.1× 183 0.7× 234 1.2× 21 0.2× 95 686
O. J. Rämö Finland 17 426 1.3× 15 0.1× 187 0.7× 67 0.3× 68 0.5× 46 752
Takuya Seike Japan 15 224 0.7× 54 0.2× 56 0.2× 98 0.5× 157 1.1× 52 591
W. Lambrecht Germany 16 812 2.6× 42 0.2× 299 1.2× 54 0.3× 35 0.3× 48 1.0k
F. P. Gall Germany 16 1.0k 3.3× 27 0.1× 346 1.4× 724 3.6× 78 0.6× 70 1.4k

Countries citing papers authored by Ken Ishimura

Since Specialization
Citations

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

Fields of papers citing papers by Ken Ishimura

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Ken Ishimura

This figure shows the co-authorship network connecting the top 25 collaborators of Ken Ishimura. A scholar is included among the top collaborators of Ken Ishimura 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 Ken Ishimura. Ken Ishimura 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.
Ishimura, Ken, et al.. (2014). A Case Requiring Laparoscopic Resection of Sigmoid Colon Cancer Complicated by a Horseshoe Kidney. Nihon Rinsho Geka Gakkai Zasshi (Journal of Japan Surgical Association). 75(1). 140–143.
2.
Ishimura, Ken, et al.. (2013). A Case of Reduction en Masse of an Inguinal Hernia Diagnosed by Abdominal Computed Tomography Preoperatively. Nihon Rinsho Geka Gakkai Zasshi (Journal of Japan Surgical Association). 74(10). 2935–2938. 4 indexed citations
3.
Ishimura, Ken, et al.. (2012). A case of colon cancer with a metastatic renal tumor complicated by a tumor thrombus in the inferior vena cava. Nihon Rinsho Geka Gakkai Zasshi (Journal of Japan Surgical Association). 73(11). 2898–2902.
4.
Wakabayashi, Hisao, et al.. (2008). Heart Rate Variability for Evaluating Surgical Stress and Development of Postoperative Complications. Clinical and Experimental Hypertension. 30(1). 45–55. 19 indexed citations
5.
Mizushige, Katsufumi, et al.. (2008). Analysis of heart rate variability as an index of noncardiac surgical stress. Heart and Vessels. 23(1). 53–59. 28 indexed citations
6.
Nishikimi, Toshio, Yasukiyo Mori, Ken Ishimura, et al.. (2006). Chronic Effect of Combined Treatment With Omapatrilat and Adrenomedullin on the Progression of Heart Failure in Rats. American Journal of Hypertension. 19(10). 1039–1048. 5 indexed citations
7.
Nishikimi, Toshio, Kenji Tadokoro, K. Akimoto, et al.. (2005). Response of adrenomedullin system to cytokine in cardiac fibroblasts?role of adrenomedullin as an antifibrotic factor. Cardiovascular Research. 66(1). 104–113. 12 indexed citations
8.
Wakabayashi, Hitoshi, et al.. (2004). Analysis of prognostic factors after surgery for stage III and IV gallbladder cancer. European Journal of Surgical Oncology. 30(8). 842–846. 22 indexed citations
9.
Wakabayashi, Hisao, Ken Ishimura, Kunihiko Izuishi, Yukihiko Karasawa, & Hajime Maeta. (2004). Evaluation of liver function for hepatic resection for hepatocellular carcinoma in the liver with damaged parenchyma. Journal of Surgical Research. 116(2). 248–252. 36 indexed citations
10.
Usuki, Hisashi, Ken Ishimura, Shinichi Yachida, et al.. (2003). Dihydropyrimidine dehydrogenase (DPD) activity in gastric cancer tissue and effect of DPD inhibitory fluoropyrimidines. Gastric Cancer. 6(S1). 66–70. 9 indexed citations
11.
Izuishi, Kunihiko, Yoshihiro Toyama, Fuminori Goda, et al.. (2003). Use of multislice helical computed tomography cholangiography in the diagnosis of biliary disease. Surgical Endoscopy. 17(8). 1324–1325. 5 indexed citations
12.
Wakabayashi, Hisao, Ken Ishimura, Kunihiko Izuishi, et al.. (2003). Significance of reduction surgery in multidisciplinary treatment of advanced hepatocellular carcinoma with multiple intrahepatic lesions. Journal of Surgical Oncology. 82(2). 98–103. 29 indexed citations
13.
Usuki, Hisashi, Ken Ishimura, Masanobu Hagiike, et al.. (2002). Thermographic Examination for Carcinoma. 21(4). 1–7. 3 indexed citations
14.
Okano, Keiichi, Takashi Maeba, Ken Ishimura, et al.. (2002). Hepatic Resection for Metastatic Tumors From Gastric Cancer. Annals of Surgery. 235(1). 86–91. 198 indexed citations
15.
Wakabayashi, Hisao, Ken Ishimura, Keiichi Okano, et al.. (2002). Application of preoperative portal vein embolization before major hepatic resection in patients with normal or abnormal liver parenchyma. Surgery. 131(1). 26–33. 67 indexed citations
16.
Okano, Keiichi, Takashi Maeba, Ken Ishimura, et al.. (2002). Lymphocytic infiltration surrounding liver metastases from colorectal cancer. Journal of Surgical Oncology. 82(1). 28–33. 58 indexed citations
17.
Wakabayashi, Hisao, Ken Ishimura, Masanobu Hagiike, et al.. (2001). Changes in Arterial and Portal Perfusion in Embolized and Nonembolized Hepatic Lobes After Portal Vein Embolization Evaluated by Helical Computed Tomography. Surgery Today. 31(11). 991–995. 7 indexed citations
18.
Wakabayashi, Hisao, Ken Ishimura, Keiichi Okano, et al.. (2001). Is preoperative portal vein embolization effective in improving prognosis after major hepatic resection in patients with advanced-stage hepatocellular carcinoma?. Cancer. 92(9). 2384–2390. 54 indexed citations
19.
Ishimura, Ken, Akihiro Kondo, Shinichi Yachida, et al.. (1996). A CASE OF AN INFLAMMATORY POLYP IN COMMON BILE DUCT TREATED BY ENDOSCOPIC POLYPECTOMY. Acta gastro-enterologica belgica. 38(3). 1 indexed citations
20.
Ishimura, Ken, Setsuo Okada, Hisao Wakabayashi, Takashi Maeba, & Hajime Maeta. (1996). Two Cases of Recurrent Hepatocellular Carcinomas after Hepatectomy. Treated with Microwave Coagulo-necrotic Therapy by a Transthoracic Approach.. The Japanese Journal of Gastroenterological Surgery. 29(4). 824–827. 1 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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