Fumihiko Sakai

10.5k total citations · 1 hit paper
219 papers, 7.7k citations indexed

About

Fumihiko Sakai is a scholar working on Psychiatry and Mental health, Pathology and Forensic Medicine and Neurology. According to data from OpenAlex, Fumihiko Sakai has authored 219 papers receiving a total of 7.7k indexed citations (citations by other indexed papers that have themselves been cited), including 95 papers in Psychiatry and Mental health, 64 papers in Pathology and Forensic Medicine and 41 papers in Neurology. Recurrent topics in Fumihiko Sakai's work include Migraine and Headache Studies (91 papers), Trigeminal Neuralgia and Treatments (50 papers) and Ophthalmology and Eye Disorders (19 papers). Fumihiko Sakai is often cited by papers focused on Migraine and Headache Studies (91 papers), Trigeminal Neuralgia and Treatments (50 papers) and Ophthalmology and Eye Disorders (19 papers). Fumihiko Sakai collaborates with scholars based in Japan, United States and United Kingdom. Fumihiko Sakai's co-authors include John Stirling Meyer, Hisaka Igarashi, Takahiro Iizuka, Jes Olesen, Norihiro Suzuki, David W. Dodick, Peter J. Goadsby, Giuseppe Nappi, M.G. Bousser and Hartmut Göbel and has published in prestigious journals such as The Lancet, Journal of Clinical Investigation and SHILAP Revista de lepidopterología.

In The Last Decade

Fumihiko Sakai

207 papers receiving 7.3k 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.

New Appendix Criteria Open for a Broader Concept of Chronic Migraine

2006 721 citations Fumihiko Sakai et al. Cephalalgia profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Fumihiko Sakai Japan	49	3.2k	1.9k	1.7k	1.4k	1.4k	219	7.7k
Tony W. Ho United States	47	2.4k 0.8×	1.8k 1.0×	3.7k 2.2×	1.3k 0.9×	875 0.6×	101	8.5k
Richard E. Harris United States	69	4.1k 1.3×	435 0.2×	2.0k 1.2×	3.0k 2.1×	2.1k 1.5×	274	14.6k
Jayantee Kalita India	50	1.8k 0.6×	644 0.3×	2.7k 1.6×	1.1k 0.7×	982 0.7×	447	10.0k
Raili Raininko Finland	41	734 0.2×	2.1k 1.1×	700 0.4×	827 0.6×	1.0k 0.7×	148	6.0k
Shengyuan Yu China	33	2.6k 0.8×	1.2k 0.7×	658 0.4×	923 0.6×	607 0.4×	284	4.8k
Hemmo A. Drexhage Netherlands	60	2.1k 0.6×	758 0.4×	357 0.2×	1.2k 0.8×	1.8k 1.3×	249	13.3k
Enrico Granieri Italy	45	809 0.2×	1.6k 0.9×	2.2k 1.3×	732 0.5×	995 0.7×	209	7.1k
Dennis Bourdette United States	56	944 0.3×	3.7k 2.0×	1.5k 0.9×	606 0.4×	1.6k 1.1×	251	9.2k
B. Neundörfer Germany	48	722 0.2×	512 0.3×	2.0k 1.2×	2.5k 1.8×	507 0.4×	297	7.7k
Johannes Jakobsen Denmark	49	557 0.2×	842 0.4×	1.9k 1.1×	2.1k 1.5×	702 0.5×	158	6.2k

Countries citing papers authored by Fumihiko Sakai

Since Specialization

Citations

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

Fields of papers citing papers by Fumihiko Sakai

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Fumihiko Sakai

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

Özge, Aynur, Massimiliano Valeriani, Vincenzo Guidetti, et al.. (2025). Transition of headache care from childhood to adulthood: Focusing needs, barriers, and models of care. A position paper of the IHS Child and Adolescent Committee. Cephalalgia. 45(9). 2235419742–2235419742.

Matsumori, Yasuhiko, Tomofumi Ishikawa, Hiroki‎ Yoshimatsu, et al.. (2025). Efficacy and safety of rimegepant for the preventive treatment of migraine in Japan: A double‐blind, randomized controlled trial. Headache The Journal of Head and Face Pain. 65(8). 1403–1412. 3 indexed citations

Matsumori, Yasuhiko, Tomofumi Ishikawa, Hiroki‎ Yoshimatsu, et al.. (2025). Plain Language Summary Publication: Efficacy and safety of rimegepant for the preventive treatment of migraine in Japan: A double‐blind, randomized controlled trial. Headache The Journal of Head and Face Pain.

Sacco, Simona, Messoud Ashina, Hans‐Christoph Diener, et al.. (2025). Setting higher standards for migraine prevention: A position statement of the International Headache Society. Cephalalgia. 45(2). 2235365664–2235365664. 12 indexed citations

Ikeda, Koichi, Yasuhiko Matsumori, Masako Kudo, et al.. (2025). Efficacy and safety of rimegepant for the acute treatment of migraine in Japan: A dose‐ranging, double‐blind, randomized controlled trial. Headache The Journal of Head and Face Pain. 65(10). 1811–1820. 2 indexed citations

Sakai, Fumihiko, et al.. (2025). The Potential Link Between Abdominal Migraine and Chronic Apical Periodontitis: A Case Report. Cureus. 17(1). e78270–e78270.

Hirata, Koichi, Takao Takeshima, Fumihiko Sakai, et al.. (2023). Long-term efficacy and safety of erenumab in Japanese patients with episodic and chronic migraine: results from a 28-week open-label treatment period of a randomised trial. BMJ Open. 13(8). e068616–e068616.

Dhaem, Olivia Begasse de & Fumihiko Sakai. (2022). Migraine in the workplace. eNeurologicalSci. 27. 100408–100408. 26 indexed citations

Nakayama, Yosuke, Tomohiro Moriya, Fumihiko Sakai, et al.. (2014). Oral administration of Lactobacillus gasseri SBT2055 is effective for preventing influenza in mice. Scientific Reports. 4(1). 4638–4638. 88 indexed citations

10.

Hosoya, Tomohiro, Fumihiko Sakai, Tsutomu Endo, et al.. (2014). Lactobacillus helveticus SBT2171 Inhibits Lymphocyte Proliferation by Regulation of the JNK Signaling Pathway. PLoS ONE. 9(9). e108360–e108360. 29 indexed citations

11.

Fujita, Mitsue, Katsuaki Sato, Hiroshi Nishioka, & Fumihiko Sakai. (2013). Oral sumatriptan for migraine in children and adolescents: A randomized, multicenter, placebo-controlled, parallel group study. Cephalalgia. 34(5). 365–375. 15 indexed citations

12.

Hosoya, Toshihiko, Aiko Ogawa, Fumihiko Sakai, & Y. Kadooka. (2012). A cheese-containing diet modulates immune responses and alleviates dextran sodium sulfate–induced colitis in mice. Journal of Dairy Science. 95(6). 2810–2818. 17 indexed citations

13.

Todo, Satoru, Tsuyoshi Miura, Fumihiko Sakai, et al.. (2011). Long-Term Acceptance of Islet Allografts by ASKP1240 (4D11), a Fully Human Anti-CD40 Monoclonal Antibody in Cynomolgus Monkeys. American Journal of Transplantation. 11. 80. 2 indexed citations

14.

Kitamura, Eiji, Junichi Hamada, Naomi Kanazawa, et al.. (2010). The effect of orexin-A on the pathological mechanism in the rat focal cerebral ischemia. Neuroscience Research. 68(2). 154–157. 44 indexed citations

15.

Sakai, Fumihiko, et al.. (2010). Marine Traffic Simulation of the Straits of Malacca and Singapore. The Journal of Japan Institute of Navigation. 122(0). 91–96. 1 indexed citations

16.

Koizumi, Kenzo, Kosuke Suzuki, Tsugio Akutsu, et al.. (2006). Acute acalculous cholecystitis in acute cerebrovascular disease. 36(1). 1–4. 4 indexed citations

17.

Ogino, Mieko, et al.. (2004). Tryptophan‐immobilized Column‐based Immunoadsorption as the Choice Method for Plasmapheresis in Guillain–Barré Syndrome. Therapeutic Apheresis and Dialysis. 8(3). 248–253. 23 indexed citations

18.

Hino, H, et al.. (1986). Bilateral medial Medullary infarction (A case report). Nosotchu. 8(4). 322–327. 1 indexed citations

19.

Sakai, Fumihiko, et al.. (1985). Measurement of regional cerebral blood flow using N-isopropyl-p [123I] iodoamphetamine in patients with stroke. Nosotchu. 7(5). 402–410. 1 indexed citations

20.

Meyer, John Stirling, L. Anne Hayman, Masahiro Yamamoto, Fumihiko Sakai, & Shinji Nakajima. (1980). Local Cerebral Blood Flow Measured by CT After Stable Xenon Inhalation. American Journal of Neuroradiology. 1(3). 213–225. 40 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.

Explore authors with similar magnitude of impact