Ryuji Takeda

1.2k total citations
89 papers, 976 citations indexed

About

Ryuji Takeda is a scholar working on Endocrine and Autonomic Systems, Molecular Biology and Electrical and Electronic Engineering. According to data from OpenAlex, Ryuji Takeda has authored 89 papers receiving a total of 976 indexed citations (citations by other indexed papers that have themselves been cited), including 23 papers in Endocrine and Autonomic Systems, 16 papers in Molecular Biology and 15 papers in Electrical and Electronic Engineering. Recurrent topics in Ryuji Takeda's work include Neuroscience of respiration and sleep (23 papers), Neuroendocrine regulation and behavior (11 papers) and Glaucoma and retinal disorders (10 papers). Ryuji Takeda is often cited by papers focused on Neuroscience of respiration and sleep (23 papers), Neuroendocrine regulation and behavior (11 papers) and Glaucoma and retinal disorders (10 papers). Ryuji Takeda collaborates with scholars based in Japan, United States and Canada. Ryuji Takeda's co-authors include Akira Haji, Mari Okazaki, Hiromi Yamazaki, Yoshiaki Ohi, Yasunori Momose, Yoshiaki Matsushita, Naofumi Umigai, Atsuko Mori, Jun Yoshikawa and Takashi Nakamura and has published in prestigious journals such as Physical review. B, Condensed matter, Applied Physics Letters and Journal of The Electrochemical Society.

In The Last Decade

Ryuji Takeda

84 papers receiving 950 citations

Peers — A (Enhanced Table)

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

Name h Career Trend Papers Cites
Ryuji Takeda Japan 19 415 214 184 184 128 89 976
Ismail A Dreshaj United States 22 776 1.9× 174 0.8× 219 1.2× 184 1.0× 10 0.1× 52 1.3k
Claudio Coddou Chile 20 343 0.8× 129 0.6× 481 2.6× 25 0.1× 38 0.3× 44 1.3k
Xu Luo China 20 406 1.0× 39 0.2× 245 1.3× 157 0.9× 18 0.1× 81 1.4k
Daniel Brozoski United States 19 274 0.7× 90 0.4× 103 0.6× 123 0.7× 4 0.0× 40 797
Jae Geun Kim South Korea 21 633 1.5× 61 0.3× 294 1.6× 136 0.7× 110 0.9× 62 1.6k
S. Matsumoto Japan 19 199 0.5× 29 0.1× 216 1.2× 48 0.3× 58 0.5× 58 957
V. A. Kulchitsky Belarus 19 330 0.8× 98 0.5× 228 1.2× 49 0.3× 6 0.0× 70 1.3k
Zsófia Lázár Hungary 26 231 0.6× 33 0.2× 254 1.4× 54 0.3× 160 1.3× 89 1.7k
Nina Japundžić‐Žigon Serbia 18 250 0.6× 244 1.1× 89 0.5× 84 0.5× 3 0.0× 56 812
Katarzyna Kaczyńska Poland 15 165 0.4× 30 0.1× 336 1.8× 80 0.4× 11 0.1× 68 1.0k

Countries citing papers authored by Ryuji Takeda

Since Specialization
Citations

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

Fields of papers citing papers by Ryuji Takeda

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Ryuji Takeda

This figure shows the co-authorship network connecting the top 25 collaborators of Ryuji Takeda. A scholar is included among the top collaborators of Ryuji Takeda 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 Ryuji Takeda. Ryuji Takeda 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
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Tajima, Michio, et al.. (2022). Method to detect carbon in silicon crystals in the concentration range down to 5 × 10 14 cm −3 by Fourier transform infrared absorption at room temperature. Japanese Journal of Applied Physics. 61(9). 96502–96502. 1 indexed citations
4.
Yoshikawa, Keiji, Shiro Mizoue, Koji Nitta, et al.. (2021). Stratification-Based Investigation of Adjunctive Brimonidine or Timolol to a Prostaglandin Analogue in Japanese Patients with Normal-Tension Glaucoma. Clinical ophthalmology. Volume 15. 2875–2883. 1 indexed citations
5.
Takeda, Ryuji. (2020). Improvement in Quality of Sleep by the Intake of Saffron—derived Crocin and Safranal―A Randomized, Double—blind, Placebo—controlled, Parallel—group Trial―. 48(3). 497–504. 3 indexed citations
6.
Nitta, Koji, et al.. (2020). <p>The Effect of Brimonidine 0.1% on Disc Hemorrhage in Primary Open-Angle Glaucoma Patients</p>. Clinical ophthalmology. Volume 14. 213–219. 1 indexed citations
7.
Kashiwagi, Kenji, Yasuyuki Suzuki, Keiji Yoshikawa, et al.. (2018). A nationwide survey of factors influencing adherence to ocular hypotensive eyedrops in Japan. International Ophthalmology. 39(2). 375–383. 17 indexed citations
8.
Takeda, Ryuji. (2016). Suppressive Effect of Acacia Polyphenol on Postprandial Blood Glucose Elevation in Non—diabetic Individuals ―A Randomized, Double—blind, Placebo—controlled Crossover Study―. 44(10). 1463–1469. 1 indexed citations
9.
Yoshikawa, Keiji, et al.. (2015). Relationship between consecutive deterioration of mean deviation value and progression of visual field defect in open-angle glaucoma. Clinical ophthalmology. 9. 2217–2217. 4 indexed citations
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Nakamori, Toshihiro, et al.. (2013). Behavioral Evidence for Beneficial Effects of Soy Peptide Supplementation on Higher Brain Function in Healthy Young Volunteers. 41(5). 457–464. 4 indexed citations
12.
Takeda, Ryuji, et al.. (2012). Bimatoprost ophthalmic solution 0.03% lowered intraocular pressure of normal-tension glaucoma with minimal adverse events. Clinical ophthalmology. 6. 1547–1547. 20 indexed citations
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Takeda, Ryuji, et al.. (2011). Effects of the Intake of Astaxanthin on the Reduction of Skin Darkling Induced by UV Irradiation in adult women. 80. 7–11. 1 indexed citations
14.
Sawai, Kazutomo, Masashi Mukoyama, Kiyoshi Mori, et al.. (2006). Redistribution of connexin43 expression in glomerular podocytes predicts poor renal prognosis in patients with type 2 diabetes and overt nephropathy. Nephrology Dialysis Transplantation. 21(9). 2472–2477. 53 indexed citations
15.
Takeda, Ryuji, et al.. (2004). A Study on Spontaneously Obese Rat (Minko Rat) with Abnormal Lipid Metabolism, Strength and Mineral Concentrations in Bone. Journal of the American College of Nutrition. 23(6). 712S–714S. 1 indexed citations
16.
Haji, Akira, Ryuji Takeda, & Mari Okazaki. (2000). Neuropharmacology of control of respiratory rhythm and pattern in mature mammals. Pharmacology & Therapeutics. 86(3). 277–304. 117 indexed citations
17.
Yamazaki, Hiromi, Akira Haji, Mari Okazaki, & Ryuji Takeda. (2000). Immunoreactivity for glutamic acid decarboxylase and N-methyl-d-aspartate receptors of intracellularly labeled respiratory neurons in the cat. Neuroscience Letters. 293(1). 61–64. 13 indexed citations
18.
Takeda, Ryuji & Akira Haji. (1991). Synaptic response of bulbar respiratory neurons to hypercapnic stimulation in peripherally chemodenervated cats. Brain Research. 561(2). 307–317. 23 indexed citations
19.
Takeda, Ryuji, Yasunori Momose, & Akira Haji. (1990). Effects of acetaldehyde on electrical activity during neuroeffector transmission in guinea-pig vas deferens. European Journal of Pharmacology. 186(2-3). 197–203. 1 indexed citations
20.
Takeda, Ryuji, Yasunori Momose, & Akira Haji. (1990). Effects of acetaldehyde on contractile response to nerve stimulation in guinea-pig vas deferens. European Journal of Pharmacology. 186(2-3). 189–196. 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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