Ryoyu Takeda

3.7k total citations
152 papers, 2.9k citations indexed

About

Ryoyu Takeda is a scholar working on Endocrinology, Diabetes and Metabolism, Surgery and Cardiology and Cardiovascular Medicine. According to data from OpenAlex, Ryoyu Takeda has authored 152 papers receiving a total of 2.9k indexed citations (citations by other indexed papers that have themselves been cited), including 59 papers in Endocrinology, Diabetes and Metabolism, 58 papers in Surgery and 47 papers in Cardiology and Cardiovascular Medicine. Recurrent topics in Ryoyu Takeda's work include Hormonal Regulation and Hypertension (36 papers), Lipoproteins and Cardiovascular Health (18 papers) and Cardiovascular Function and Risk Factors (14 papers). Ryoyu Takeda is often cited by papers focused on Hormonal Regulation and Hypertension (36 papers), Lipoproteins and Cardiovascular Health (18 papers) and Cardiovascular Function and Risk Factors (14 papers). Ryoyu Takeda collaborates with scholars based in Japan, United States and Greece. Ryoyu Takeda's co-authors include Hiroshi Mabuchi, Junji Koizumi, Isamu Miyamori, Yasuyuki Sakai, Yoshiyu Takeda, Takanobu WAKASUGI, Takashi Yoneda, Norihiko Sugihara, Takeshi Sakai and Akira Yoshimura and has published in prestigious journals such as Nature, New England Journal of Medicine and Journal of Clinical Investigation.

In The Last Decade

Ryoyu Takeda

145 papers receiving 2.7k citations

Peers

Countries citing papers authored by Ryoyu Takeda

Since Specialization

Citations

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

Fields of papers citing papers by Ryoyu Takeda

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Ryoyu Takeda

This figure shows the co-authorship network connecting the top 25 collaborators of Ryoyu Takeda. A scholar is included among the top collaborators of Ryoyu 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 Ryoyu Takeda. Ryoyu Takeda 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 SAFETY OF GLUCAGON FOR PREMEDICATION OFUPPER GASTROINTESTINAL ENDOSCOPY IN PATIENTS WITH DIABETES MELLITUS 1998 ·Acta gastro-enterologica belgica ·(unknown), (unknown), (unknown), Ryoyu Takeda	1
2	Visualization of Bone Structure With Tc-99m MIBI in a Patient on Hemodialysis 1997 ·Clinical Nuclear Medicine ·Seigo Kinuya, (unknown), Ryoyu Takeda, Kunihiko Yokoyama, Takatoshi Michigishi, Norihisa Tonami	2
3	Incidental Detection of Pulmonary Infection During the Evaluation of Protein-Losing Enteropathy With In-111 Transferrin 1997 ·Clinical Nuclear Medicine ·Seigo Kinuya, (unknown), Ryoyu Takeda, Takatoshi Michigishi, Norihisa Tonami	2
4	Myocardial scintigraphic study with 123I 15-(p-iodophenyl)-3(R,S)-methylpentadecanoic acid in patients with hypertrophic cardiomyopathy 1996 ·International Journal of Cardiology ·Masami Shimizu, Hiroyuki Yoshio, Hidekazu Ino, Junichi Taki, Kenichi Nakajima, H Bunko, Ryoyu Takeda	12
5	Effects of short-term aminophylline administration on cardiac functional reserve in patients with syndrome X 1995 ·Journal of the American College of Cardiology ·Hiroyuki Yoshio, Masami Shimizu, Yoshihito Kita, Hidekazu Ino, Bunji Kaku, Junichi Taki, Ryoyu Takeda	21
6	Aldosterone biosynthesis and action in vascular cells 1995 ·Steroids ·Ryoyu Takeda, Haruhiko Hatakeyama, Yoshiyu Takeda, Kazuhiro Iki, Isamu Miyamori, (unknown), Hiroshi Yamamoto, (unknown)	74
7	Formation of 18-deoxy-19- noraldosterone by a human aldosterone-producing adenoma 1993 ·Steroids ·Yoshiyu Takeda, Kazuhiro Iki, Isamu Miyamori, Ryoyu Takeda	3
8	LONG-TERM FOLLOWED UP CASES WITH PERCUTANEOUS ENDOSCOPIC GASTROSTOMY WITH SPECIAL REFERENCE TO EVALUATION IN INFECTION OF RESPIRATORY TRACT AND GASTRIC EMPTYING 1992 ·Acta gastro-enterologica belgica ·(unknown), Ayako Suzuki, (unknown), (unknown), Isao Tanaka, Takayuki Yamada, (unknown), Yukimitsu Kawaura, (unknown), Yasuo Takeda, Ryoyu Takeda, (unknown), (unknown), Akira Matsui	1
9	Mitochondrial P-450 activities in aldosteronoma tissues 1991 ·The Journal of Steroid Biochemistry and Molecular Biology ·Hideaki Takasaki, Isamu Miyamori, (unknown), Ryoyu Takeda, Hideo Mochizuki, Masayuki Katagiri	3
10	Stimulation of atrial natriuretic peptide secretion and synthesis by Na-K-ATPase inhibitors 1991 ·Biochemical and Biophysical Research Communications ·Toshio Morise, Yoshihiro Takeuchi, Shinya Okamoto, Ryoyu Takeda	15
11	-0954-ABDOMINAL ARTIC ANEURYSM OF FAMILIAL HYPERCHOLESTEROLEMIA : THE 54th ANNUAL SCIENTIFIC MEETING OF THE JAPANESE CIRCULATION SOCIETY 1990 ·Japanese Circulation Journal-english Edition ·Yoshihito Kita, Masami Shimizu, Norihiko Sugihara, Kuniyoshi Shimizu, (unknown), (unknown), (unknown), Hiroshi Mabuchi, Ryoyu Takeda	1
12	Intramural coronary angiitis of periarteritis nodosa proved by endomyocardial biopsy 1990 ·American Heart Journal ·Norihiko Sugihara, Akira Genda, (unknown), (unknown), Yoshihito Kita, Kuniyoshi Shimizu, Ryoyu Takeda	1
13	Antibodies to hepatitis C virus in hemodialysis patients. 1990 ·Journal of Japanese Society for Dialysis Therapy ·Hideki Nomura, (unknown), (unknown), (unknown), (unknown), (unknown), Kunio Oda, Yasuo Takeda, Ichiro Koni, Ryoyu Takeda	2
14	Cromakalim, a vasodilator, differentially inhibits Ca²⁺ currents in NG108‐15 neuroblastoma × glioma hybrid cells 1990 ·FEBS Letters ·Yuji Ito, Isamu Miyamori, Takao Matsubara, Ryoyu Takeda, Haruhiro Higashida	7
15	Effect of a New Aldose Reductase Inhibitor, Ponalrestat, on Reduction of Red Blood Cell Sorbitol Level in Diabetics 1989 ·Nigishi Hotta, Nobuo Sakamoto, Yasuo Akanuma, Kenpei Matsuoka, Yoshio Gotō, Takayoshi Toyota, Ryoyu Takeda, Yukio Shigeta, Ryuichi Kikkawa, Seiichiro Tarui, (unknown), Kyohei Nonaka, Kinori Kosaka	2
16	A young type III hyperlipoproteinemic patient associated with apolipoprotein E deficiency 1989 ·Metabolism ·Hiroshi Mabuchi, Hideaki Itoh, Mitsuaki TAKEDA, Kouji Kajinami, Takanobu WAKASUGI, Junji Koizumi, Ryoyu Takeda, Chidori Asagami	58
17	Disopyramide induces insulin secretion and plasma glucose diminution: Studies using the in situ canine pancreas 1989 ·Metabolism ·Hajime Nakabayashi, Toshiyuki Ito, (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), Ryoyu Takeda	6
18	Diagnostic Criteria for Familial Hypercholesterolemia in Japan 1977 ·Nippon Ronen Igakkai Zasshi Japanese Journal of Geriatrics ·Hiroshi Mabuchi, Ryozo Tatami, Kosei Ueda, Ryosei Ueda, Toshihiro Haba, Tomio KAMETANI, Seigo Ito, Junji Koizumi, Susumu Miyamoto, (unknown), Ryoyu Takeda, Tadayoshi Takegoshi	3
19	Studies on the Diagnosis of Type III Hyperlipoproteinemia A suggestion of chemical criteria based on VLDL-cholesterol and VLDL-cholesterol/VLDL-triglyceride 1977 ·Nippon Ronen Igakkai Zasshi Japanese Journal of Geriatrics ·Hiroshi Mabuchi, Kosei Ueda, Ryosei Ueda, Ryozo Tatami, Toshihiro Haba, Tomio KAMETANI, Seigo Ito, Junji Koizumi, (unknown), Susumu Miyamoto, Ryoyu Takeda	4
20	Cardiovascular Function in Hypertension 1973 ·Nippon Ronen Igakkai Zasshi Japanese Journal of Geriatrics ·Masayuki Tsuchiya, (unknown), (unknown), Shinobu Matsui, Shigeki Hara, Shozo Ishise, (unknown), Nobuo Takeuchi, Masahiro Maeda, (unknown), (unknown), Noboru Takekoshi, Eiji Murakami, Ryoyu Takeda, Junichiro Mifune, Mototaka Murakami	5

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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