Hiroshi Okada

6.9k total citations · 1 hit paper
325 papers, 5.1k citations indexed

About

Hiroshi Okada is a scholar working on Physiology, Endocrinology, Diabetes and Metabolism and Molecular Biology. According to data from OpenAlex, Hiroshi Okada has authored 325 papers receiving a total of 5.1k indexed citations (citations by other indexed papers that have themselves been cited), including 69 papers in Physiology, 59 papers in Endocrinology, Diabetes and Metabolism and 55 papers in Molecular Biology. Recurrent topics in Hiroshi Okada's work include Nutrition and Health in Aging (32 papers), Diet and metabolism studies (27 papers) and Diabetes, Cardiovascular Risks, and Lipoproteins (19 papers). Hiroshi Okada is often cited by papers focused on Nutrition and Health in Aging (32 papers), Diet and metabolism studies (27 papers) and Diabetes, Cardiovascular Risks, and Lipoproteins (19 papers). Hiroshi Okada collaborates with scholars based in Japan, United States and United Kingdom. Hiroshi Okada's co-authors include Shinya Murakami, Michiaki Fukui, Masahiro Yamazaki, Takeshi Hasegawa, Herman Adlercreutz, T. Fotsis, H. Honjo, Akane Higashi, Esa Hämäläinen and Yoshitaka Hashimoto and has published in prestigious journals such as SHILAP Revista de lepidopterología, The Journal of Immunology and PLoS ONE.

In The Last Decade

Hiroshi Okada

300 papers receiving 4.9k 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.

Urinary excretion of lignans and isoflavonoid phytoestrogens in Japanese men and women consuming a traditional Japanese diet

1991 527 citations Hiroshi Okada et al. American Journal of Clinical Nutrition profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Hiroshi Okada Japan	34	1.1k	755	733	565	533	325	5.1k
Neal S. Fedarko United States	49	3.4k 3.2×	866 1.1×	313 0.4×	373 0.7×	544 1.0×	108	8.2k
Geoffrey M. Thiele United States	46	1.2k 1.2×	581 0.8×	280 0.4×	1.3k 2.3×	568 1.1×	235	7.0k
Gavino Faa Italy	40	1.5k 1.4×	487 0.6×	384 0.5×	234 0.4×	755 1.4×	284	5.5k
László Rosivall Hungary	39	1.6k 1.5×	603 0.8×	442 0.6×	180 0.3×	439 0.8×	164	4.9k
Danièle Bani Italy	48	1.7k 1.6×	890 1.2×	221 0.3×	282 0.5×	1.0k 2.0×	256	7.1k
Paul A. Moore United States	54	2.2k 2.1×	1.2k 1.6×	301 0.4×	302 0.5×	1.2k 2.2×	232	9.7k
Kazuo Umemura Japan	42	1.6k 1.5×	440 0.6×	149 0.2×	232 0.4×	851 1.6×	371	6.8k
Gerhard A. Müller Germany	52	3.5k 3.3×	486 0.6×	391 0.5×	739 1.3×	1.3k 2.5×	302	10.5k
Yutaka Mizushima Japan	51	2.7k 2.5×	807 1.1×	256 0.3×	441 0.8×	1.0k 1.9×	370	10.4k
Shu Ye United Kingdom	52	2.9k 2.7×	640 0.8×	497 0.7×	301 0.5×	1.3k 2.4×	229	9.2k

Countries citing papers authored by Hiroshi Okada

Since Specialization

Citations

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

Fields of papers citing papers by Hiroshi Okada

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Hiroshi Okada

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

Ichikawa, Takahiro, Hiroshi Okada, Hanako Nakajima, et al.. (2025). Anthropometric indices for predicting incident cardiovascular disease: a 13-year follow-up study in a Japanese population. American Journal of Clinical Nutrition. 122(4). 954–961. 2 indexed citations

Okamura, Takuro, Hanako Nakajima, Saori Majima, et al.. (2023). Metabolic outcomes and changes in innate immunity induced by diesel exhaust particles airway exposure and high-fat high-sucrose diet. Life Sciences. 326. 121794–121794. 3 indexed citations

Tanaka, Muhei, et al.. (2023). Trunk muscle quality and quantity are associated with renal volume in nondiabetic people. Clinical Kidney Journal. 16(12). 2597–2604. 1 indexed citations

Kawamura, Kenji, et al.. (2023). Proximal Humerus and Proximal Femur Fractures with Nasu-Hakola Disease Treated with Prosthetic Replacements: A Case Report. 6(2). 1 indexed citations

Okada, Hiroshi, Hanako Nakajima, Takuro Okamura, et al.. (2023). Reasons for Discontinuing Treatment with Sodium-Glucose Cotransporter 2 Inhibitors in Patients with Diabetes in Real-World Settings: The KAMOGAWA-A Study. Journal of Clinical Medicine. 12(22). 6993–6993. 11 indexed citations

Haga, Taiki, et al.. (2023). The Japanese Pediatric Continuous Renal Replacement Therapy (jpCRRT) Registry: Study Protocol. PubMed. 5(4). 121–126. 2 indexed citations

Okamura, Takuro, Ayaka Kobayashi, Hanako Nakajima, et al.. (2022). Gut Microbiota Changes by an SGLT2 Inhibitor, Luseogliflozin, Alters Metabolites Compared with Those in a Low Carbohydrate Diet in db/db Mice. Nutrients. 14(17). 3531–3531. 30 indexed citations

Hashimoto, Yoshitaka, Fuyuko Takahashi, Ayumi Kaji, et al.. (2022). Eating Speed Is Associated with the Presence of Sarcopenia in Older Patients with Type 2 Diabetes: A Cross-Sectional Study of the KAMOGAWA-DM Cohort. Nutrients. 14(4). 759–759. 7 indexed citations

Takahashi, Fuyuko, Yoshitaka Hashimoto, Ayumi Kaji, et al.. (2021). Association of Estimated Salt and Miso Intake with the Prevalence of Obesity in People with Type 2 Diabetes: A Cross-Sectional Study. Nutrients. 13(9). 3014–3014. 1 indexed citations

10.

Takahashi, Fuyuko, Yoshitaka Hashimoto, Ayumi Kaji, et al.. (2021). Association between Geriatric Nutrition Risk Index and The Presence of Sarcopenia in People with Type 2 Diabetes Mellitus: A Cross-Sectional Study. Nutrients. 13(11). 3729–3729. 27 indexed citations

11.

Okada, Hiroshi, et al.. (2021). Fasting plasma glucose level in the range of 90–99 mg/dL and the risk of the onset of type 2 diabetes: Population‐based Panasonic cohort study 2. Journal of Diabetes Investigation. 13(3). 453–459. 10 indexed citations

12.

Takahashi, Fuyuko, Yoshitaka Hashimoto, Ayumi Kaji, et al.. (2021). Habitual Miso (Fermented Soybean Paste) Consumption Is Associated with Glycemic Variability in Patients with Type 2 Diabetes: A Cross-Sectional Study. Nutrients. 13(5). 1488–1488. 8 indexed citations

13.

Nakajima, Hanako, Yoshitaka Hashimoto, Saori Majima, et al.. (2021). Habitual Dietary Intake Affects the Altered Pattern of Gut Microbiome by Acarbose in Patients with Type 2 Diabetes. Nutrients. 13(6). 2107–2107. 25 indexed citations

14.

Okada, Hiroshi, et al.. (2021). Association between variability in body mass index and development of type 2 diabetes: Panasonic cohort study. BMJ Open Diabetes Research & Care. 9(1). e002123–e002123. 9 indexed citations

15.

Ushigome, Emi, Yoshitaka Hashimoto, Saori Majima, et al.. (2020). Asymptomatic postprandial hypotension in patients with diabetes: The KAMOGAWA‐HBP study. Journal of Diabetes Investigation. 12(5). 837–844. 4 indexed citations

16.

Fukui, Michiaki, Muhei Tanaka, Hiroshi Okada, et al.. (2012). Andropausal symptoms in men with Type 2 diabetes. Diabetic Medicine. 29(8). 1036–1042. 11 indexed citations

17.

Hasegawa, Masatoshi, Isao Asakawa, Kohei Inoue, et al.. (2010). High-dose Carbon Ion Beams and X-rays Induce Different Gene Expression Profiles in Human Radioresistant Glioma Cells with Mutant Type p53 In Vivo. International Journal of Radiation Oncology*Biology*Physics. 78(3). S90–S90. 1 indexed citations

18.

Okada, Hiroshi & Keiji Yoshioka. (2009). Thyrotoxicosis Complicated with Dysphagia. Internal Medicine. 48(14). 1243–1245. 9 indexed citations

19.

Fujisawa, Masato, et al.. (1997). Nitric Oxide Production by Cultured Rat Leydig Cells. Endocrinology. 138(3). 994–998. 57 indexed citations

20.

Wada, Hajime, Hiroshi Okada, Hidekazu Suginaka, Ikuko Tomiyasu, & Ikuya Yano. (1981). Gas chromatographic and mass spectrometric analysis of molecular species of bacterionemamycolic acids fromBacterionema matruchotii. FEMS Microbiology Letters. 11(2-3). 187–192. 7 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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