Koichi Takada

1.6k total citations · 1 hit paper
45 papers, 1.3k citations indexed

About

Koichi Takada is a scholar working on Surgery, Oncology and Pulmonary and Respiratory Medicine. According to data from OpenAlex, Koichi Takada has authored 45 papers receiving a total of 1.3k indexed citations (citations by other indexed papers that have themselves been cited), including 9 papers in Surgery, 8 papers in Oncology and 6 papers in Pulmonary and Respiratory Medicine. Recurrent topics in Koichi Takada's work include Pancreatic and Hepatic Oncology Research (4 papers), Effects and risks of endocrine disrupting chemicals (4 papers) and Carcinogens and Genotoxicity Assessment (4 papers). Koichi Takada is often cited by papers focused on Pancreatic and Hepatic Oncology Research (4 papers), Effects and risks of endocrine disrupting chemicals (4 papers) and Carcinogens and Genotoxicity Assessment (4 papers). Koichi Takada collaborates with scholars based in Japan, United States and South Korea. Koichi Takada's co-authors include Toshio Masuda, Toshinobu Higashimura, Eiji Isobe, Hiromitsu Onishi, Shinichi Hori, Kazuo Awai, Yoshiro Niitsu, Rishu Takimoto, Shigeru Furui and Tetsuji Takayama and has published in prestigious journals such as Journal of the American Chemical Society, Hepatology and Radiology.

In The Last Decade

Koichi Takada

42 papers receiving 1.2k 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.

Poly[1-(trimethylsilyl)-1-propyne]: a new high polymer synthesized with transition-metal catalysts and characterized by extremely high gas permeability

1983 434 citations Koichi Takada et al. profile →

Peers

Koichi Takada

EEE

Mario Mariani Italy

J. Néel France

Yoon Jung Lee South Korea

J. Kálal Czechia

Paul A. FitzGerald Australia

Songbo Li China

Jian Cao China

Lingling Xia China

Tōru Kawai Japan

Sharon Lin United States

Mario Mariani Italy

Koichi Takada

237 ×0.6

596 ×2.3

80 ×0.4

164 ×0.8

100 ×0.6

EEE

Citations per year, relative to Koichi Takada Koichi Takada (= 1×) peers Mario Mariani

Countries citing papers authored by Koichi Takada

Since Specialization

Citations

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

Fields of papers citing papers by Koichi Takada

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Koichi Takada

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

Hayashi, Tsuyoshi, Hirotoshi Ishiwatari, Hideyuki Ihara, et al.. (2009). Suppressive effect of sulindac on branch duct-intraductal papillary mucinous neoplasms. Journal of Gastroenterology. 44(9). 964–975. 7 indexed citations

Takimoto, Rishu, Junji Kato, Takeshi Terui, et al.. (2005). Augmentation of antitumor effects of p53 Gene therapy by combination with HDAC inhibitor. Cancer Biology & Therapy. 4(4). 427–434. 54 indexed citations

Takayama, Tetsuji, Yasuhiro Sato, Yasushi Sato, et al.. (2004). A case of Gardner syndrome with a mutation at codon 1556 of APC. European Journal of Gastroenterology & Hepatology. 16(1). 101–105. 15 indexed citations

Ito, Koji, Tadahiro Takada, Hodaka Amano, et al.. (2004). Localization of islet-cell hyperplasia: value of pre- and intraoperative arterial stimulation and venous sampling. Journal of Hepato-Biliary-Pancreatic Surgery. 11(3). 203–6. 6 indexed citations

Takeshita, Koji, Ikuo Nagashima, Koichi Takada, et al.. (2002). Effect of Superparamagnetic Iron Oxide-Enhanced MRI of the Liver With Hepatocellular Carcinoma and Hyperplastic Nodule. Journal of Computer Assisted Tomography. 26(3). 451–455. 17 indexed citations

Takeshita, Koji, Shigeru Furui, & Koichi Takada. (2002). Multidetector row helical CT of the pancreas: value of three-dimensional images, two-dimensional reformations, and contrast-enhanced multiphasic imaging. Journal of Hepato-Biliary-Pancreatic Surgery. 9(5). 576–582. 15 indexed citations

Homma, Hisato, Hidetoshi Ohta, Tadashi Doi, et al.. (2001). Effect of Transjugular Intrahepatic Portosystemic Shunt Formation on Portal Hypertensive Gastropathy and Gastric Circulation. The American Journal of Gastroenterology. 96(4). 1155–1159. 59 indexed citations

Okazaki, Yuji, et al.. (1999). Further Evidence of Westernization of Dementia Prevalence in Nagasaki, Japan, and Family Recognition. International Psychogeriatrics. 11(2). 123–138. 10 indexed citations

Okazaki, Yuji, et al.. (1997). The Development of a Self-rating Questionnaire for Screening Dementia. Nagasaki University's Academic Output SITE (Nagasaki University). 42(3). 34–38. 2 indexed citations

10.

Takada, Koichi, et al.. (1997). Nagasaki Schizophrenia Study : Outcome of a 15-year Follow-up of an Incident Cohort. Nagasaki University's Academic Output SITE (Nagasaki University). 42(3). 39–44. 2 indexed citations

11.

Takagi, Atsuya, Koichi Takada, Kimie Sai, et al.. (1996). Chronic Oral Toxicity of a Synthetic Antioxidant, 2,2′-Methylenebis(4-ethyl-6-tert-butylphenol), in Rats. Journal of Applied Toxicology. 16(1). 15–23. 7 indexed citations

12.

Takagi, Atsuya, Junko Momma, Koichi Takada, et al.. (1992). Toxicity studies of a synthetic antioxidant, 2,2'-methylenebis (4-ethyl-6-tert-butylphenol) in rats 1. acut and subchronic toxicity.. The Journal of Toxicological Sciences. 17(3). 135–153. 9 indexed citations

13.

Yasuhara, Kazuo, et al.. (1992). Chronic toxicity of microencapsulated bromodichloromethane administered in the diet to Wistar rats.. The Journal of Toxicological Sciences. 17(2). 51–68. 4 indexed citations

14.

Ohta, Yasuyuki, et al.. (1991). Symtoms and Social Adjustment of Schizophrenic Patients as Evaluated by Their Family Members: A Cross‐Cultural Psychiatric Study between Offshore Islands and an Urban City. Psychiatry and Clinical Neurosciences. 45(3). 583–593. 2 indexed citations

15.

Takada, Koichi, et al.. (1989). Studies on the application of substituted poly(acethylene)s. VII. Oxygen enriching membrane of poly[1-(trimethylsilyl)-1-propyne]: The cause of performance deterioration.. KOBUNSHI RONBUNSHU. 46(1). 7–13. 6 indexed citations

16.

Takada, Koichi, et al.. (1989). Studies on polymeric flocculants made of polyacrylamides. II. Practical characterization of the charge density distribution and its effects on the flocculation.. KOBUNSHI RONBUNSHU. 46(3). 145–150. 1 indexed citations

17.

Nakane, Y., et al.. (1988). Comparative study of affective disorders in three Asian countries I. Differences in diagnostic classification. Acta Psychiatrica Scandinavica. 78(6). 698–705. 13 indexed citations

18.

Fukuoka, Masamichi, et al.. (1988). Comparative studies on nephrotoxic effects of Tris (2,3‐dibromopropyl) phosphate and Bis (2,3‐dibromopropyl) phosphate on rat urinary metabolites. Journal of Applied Toxicology. 8(1). 43–52. 7 indexed citations

19.

Fukuoka, Masamichi, Akira Tanaka, Tsutomu Yamaha, et al.. (1988). Tris (2,3‐dibromopropyl) phosphate nephrotoxicity in the rat: Histological and biochemical changes in renal components by ¹³C‐NMR spectra. Journal of Applied Toxicology. 8(6). 411–416.

20.

Takada, Koichi, et al.. (1987). ACUTE AND SUBACUTE TOXICITIES OF THREE TRIHALOMETHANES IN RATS (I). The Journal of Toxicological Sciences. 12(4). 585. 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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