Fumio Otsuka

10.3k total citations · 1 hit paper
508 papers, 7.7k citations indexed

About

Fumio Otsuka is a scholar working on Endocrinology, Diabetes and Metabolism, Surgery and Molecular Biology. According to data from OpenAlex, Fumio Otsuka has authored 508 papers receiving a total of 7.7k indexed citations (citations by other indexed papers that have themselves been cited), including 102 papers in Endocrinology, Diabetes and Metabolism, 96 papers in Surgery and 87 papers in Molecular Biology. Recurrent topics in Fumio Otsuka's work include Pituitary Gland Disorders and Treatments (47 papers), Reproductive Biology and Fertility (37 papers) and TGF-β signaling in diseases (34 papers). Fumio Otsuka is often cited by papers focused on Pituitary Gland Disorders and Treatments (47 papers), Reproductive Biology and Fertility (37 papers) and TGF-β signaling in diseases (34 papers). Fumio Otsuka collaborates with scholars based in Japan, United States and Australia. Fumio Otsuka's co-authors include Shunichi Shimasaki, R. Kelly Moore, Gregory F. Erickson, Hirofumi Makino, Kenichi Inagaki, Tomoko Miyoshi, Hideharu Hagiya, Toshio Ogura, Shin Yamamoto and Masaya Takeda and has published in prestigious journals such as Proceedings of the National Academy of Sciences, Journal of Biological Chemistry and SHILAP Revista de lepidopterología.

In The Last Decade

Fumio Otsuka

468 papers receiving 7.5k 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.

The Bone Morphogenetic Protein System In Mammalian Reproduction

2004 581 citations Fumio Otsuka et al. profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Fumio Otsuka Japan	41	3.2k	2.9k	1.2k	1.1k	1.0k	508	7.7k
Olle Söder Sweden	43	2.0k 0.6×	1.5k 0.5×	2.2k 1.8×	553 0.5×	815 0.8×	157	6.5k
Edmund Chada Baracat Brazil	47	1.2k 0.4×	2.4k 0.8×	3.8k 3.1×	1.3k 1.3×	1.1k 1.1×	683	10.1k
Ralf Dittrich Germany	43	1.1k 0.4×	2.6k 0.9×	2.4k 1.9×	564 0.5×	351 0.3×	251	5.9k
Jerilynn C. Prior Canada	50	853 0.3×	1.5k 0.5×	946 0.8×	1.3k 1.3×	1.1k 1.1×	196	8.2k
Claire T. Roberts Australia	54	1.7k 0.5×	1.7k 0.6×	493 0.4×	407 0.4×	614 0.6×	269	9.7k
S. Faisal Ahmed United Kingdom	45	5.2k 1.6×	733 0.3×	932 0.8×	1.8k 1.7×	3.1k 3.0×	259	8.8k
Bruce Campbell United Kingdom	51	899 0.3×	4.1k 1.4×	3.1k 2.5×	521 0.5×	1.1k 1.1×	218	8.0k
Seppo Saarikoski Finland	56	1.4k 0.4×	1.2k 0.4×	846 0.7×	680 0.6×	933 0.9×	259	8.8k
Philippe Bouchard France	43	759 0.2×	1.2k 0.4×	969 0.8×	596 0.6×	442 0.4×	171	6.0k
Anne W. Lucky United States	49	1.2k 0.4×	763 0.3×	1.1k 0.9×	727 0.7×	783 0.8×	224	9.5k

Countries citing papers authored by Fumio Otsuka

Since Specialization

Citations

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

Fields of papers citing papers by Fumio Otsuka

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Fumio Otsuka

This figure shows the co-authorship network connecting the top 25 collaborators of Fumio Otsuka. A scholar is included among the top collaborators of Fumio Otsuka 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 Fumio Otsuka. Fumio Otsuka is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

Sort: Min cites: Since: Top N: Style:

20 of 20 papers shown

Morita, Satoru, et al.. (2025). Crowned Dens Syndrome Triggered by Dental Treatment. Clinical Case Reports. 13(2). e70168–e70168. 1 indexed citations

Otsuka, Fumio, et al.. (2025). Efficacy in Japanese adults with growth hormone deficiency receiving weekly somapacitan or daily growth hormone: results from phase 3 REAL 1 trial. Frontiers in Endocrinology. 16. 1534891–1534891.

Otsuka, Yuki, et al.. (2025). Video review by utilizing asynchronous video communication platform. Journal of General and Family Medicine. 26(4). 375–378.

Otsuka, Yuki, Koichiro Yamamoto, Yasuhiro Nakano, et al.. (2025). Involvement of a Novel Variant of FGFR1 Detected in an Adult Patient with Kallmann Syndrome in Regulation of Gonadal Steroidogenesis. International Journal of Molecular Sciences. 26(6). 2713–2713. 1 indexed citations

Otsuka, Yuki, et al.. (2024). Prostate abscess caused by ESBL-producing Escherichia coli successfully treated with fosfomycin monotherapy. International Journal of Antimicrobial Agents. 63(6). 107182–107182. 1 indexed citations

Yamamoto, Koichiro, et al.. (2024). Trends of correlations between serum levels of growth hormone and insulin-like growth factor-I in general practice. Frontiers in Endocrinology. 15. 1381083–1381083. 2 indexed citations

Tahara, Shigeyuki, et al.. (2023). Recognition and Practice of Hypopituitarism After Traumatic Brain Injury and Subarachnoid Hemorrhage in Japan: A Survey. Neurology and Therapy. 13(1). 39–51. 2 indexed citations

Otsuka, Yuki, Kou Hasegawa, Kazuki Tokumasu, et al.. (2023). Acute arthritis caused by sarcoidosis. Journal of General and Family Medicine. 24(4). 264–265. 2 indexed citations

Otsuka, Yuki, Hideharu Hagiya, Naruhiko Sunada, & Fumio Otsuka. (2023). Task shifting of medical office works: A preliminary questionnaire survey for generalists. Journal of General and Family Medicine. 24(5). 317–319. 2 indexed citations

10.

Tago, Masaki, Yuki Otsuka, Taro Shimizu, et al.. (2023). Contributions of Japanese Hospitalists During the COVID-19 Pandemic and the Need for Infectious Disease Crisis Management Education for Hospitalists: An Online Cross-Sectional Study. Risk Management and Healthcare Policy. Volume 16. 1645–1651. 1 indexed citations

11.

Hagiya, Hideharu, Kazuki Tokumasu, Yuki Otsuka, et al.. (2023). Relevance of complement immunity with brain fog in patients with long COVID. Journal of Infection and Chemotherapy. 30(3). 236–241. 7 indexed citations

12.

Tokumasu, Kazuki, Yuki Otsuka, Naruhiko Sunada, et al.. (2023). Symptomatic Characteristics of Hypozincemia Detected in Long COVID Patients. Journal of Clinical Medicine. 12(5). 2062–2062. 6 indexed citations

13.

Hagiya, Hideharu, et al.. (2023). Buruli ulcer caused by Mycobacterium ulcerans subsp. shinshuense: A case report. Journal of Infection and Chemotherapy. 29(5). 523–526. 2 indexed citations

14.

Iwata, Nahoko, et al.. (2023). Interaction of Orexin and Bone Morphogenetic Proteins in Steroidogenesis by Human Adrenocortical Cells. International Journal of Molecular Sciences. 24(16). 12559–12559. 3 indexed citations

15.

Hagiya, Hideharu, et al.. (2022). Rhinogenic optic neuropathy with hemianopia caused by ethmoidal sinus mucocele. SHILAP Revista de lepidopterología. 10(12). e6696–e6696. 1 indexed citations

16.

Yamamoto, Koichiro, Hiroyuki Honda, Hiroko Ogawa, & Fumio Otsuka. (2022). Key signs indicating mesenteric panniculitis. SHILAP Revista de lepidopterología. 10(12). e6654–e6654. 2 indexed citations

17.

Iwata, Nahoko, et al.. (2022). Mutual Effects of Orexin and Bone Morphogenetic Proteins on Gonadotropin Expression by Mouse Gonadotrope Cells. International Journal of Molecular Sciences. 23(17). 9782–9782. 1 indexed citations

18.

Sakurada, Yasue, Naruhiko Sunada, Hiroyuki Honda, et al.. (2022). Serial Changes of Long COVID Symptoms and Clinical Utility of Serum Antibody Titers for Evaluation of Long COVID. Journal of Clinical Medicine. 11(5). 1309–1309. 20 indexed citations

19.

Nakano, Yasuhiro, et al.. (2020). Gingival lesion leading to a diagnosis of angiosarcoma. Journal of General and Family Medicine. 22(2). 90–91. 1 indexed citations

20.

Iwamuro, Masaya, et al.. (2017). Neck schwannoma mimicking a thyroid tumor. Journal of General and Family Medicine. 18(6). 473–474. 4 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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