Kuniaki Otsuka

6.9k total citations · 2 hit papers
199 papers, 4.0k citations indexed

About

Kuniaki Otsuka is a scholar working on Cardiology and Cardiovascular Medicine, Endocrine and Autonomic Systems and Physiology. According to data from OpenAlex, Kuniaki Otsuka has authored 199 papers receiving a total of 4.0k indexed citations (citations by other indexed papers that have themselves been cited), including 92 papers in Cardiology and Cardiovascular Medicine, 42 papers in Endocrine and Autonomic Systems and 40 papers in Physiology. Recurrent topics in Kuniaki Otsuka's work include Heart Rate Variability and Autonomic Control (61 papers), Blood Pressure and Hypertension Studies (42 papers) and Circadian rhythm and melatonin (39 papers). Kuniaki Otsuka is often cited by papers focused on Heart Rate Variability and Autonomic Control (61 papers), Blood Pressure and Hypertension Studies (42 papers) and Circadian rhythm and melatonin (39 papers). Kuniaki Otsuka collaborates with scholars based in Japan, United States and Russia. Kuniaki Otsuka's co-authors include Masanobu Takata, Kohji Shirai, Germaine Cornélissen, Franz Halberg, Mayumi Suzuki, Kozo Matsubayashi, Yoshihiko Watanabe, Kiyohito Okumiya, Taizo Wada and Michiko Fujisawa and has published in prestigious journals such as Circulation, SHILAP Revista de lepidopterología and PLoS ONE.

In The Last Decade

Kuniaki Otsuka

189 papers receiving 3.8k 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.

A Novel Blood Pressure-independent Arterial Wall Stiffness Parameter; Cardio-Ankle Vascular Index (CAVI)

2006 739 citations Kuniaki Otsuka et al. profile →
Wearables in Chronomedicine and Interpretation of Circadian Health

2025 19 citations Denis Gubin, Dietmar Weinert et al. Diagnostics profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Kuniaki Otsuka Japan	28	1.9k	971	664	552	375	199	4.0k
James P. Fisher United Kingdom	39	3.3k 1.7×	877 0.9×	553 0.8×	600 1.1×	348 0.9×	151	5.2k
Carolina Lombardi Italy	36	1.6k 0.8×	1.6k 1.6×	1.3k 2.0×	447 0.8×	827 2.2×	143	4.3k
Helen Jones United Kingdom	37	2.1k 1.1×	1.1k 1.1×	252 0.4×	442 0.8×	301 0.8×	154	4.8k
Leonard Arnolda Australia	37	2.0k 1.0×	423 0.4×	802 1.2×	332 0.6×	422 1.1×	135	4.0k
Antonio Granata Italy	35	872 0.5×	494 0.5×	845 1.3×	745 1.3×	912 2.4×	253	4.7k
Holly R. Middlekauff United States	46	5.5k 2.9×	1.2k 1.2×	344 0.5×	732 1.3×	395 1.1×	142	7.1k
Bengt Kayser Switzerland	53	1.1k 0.6×	1.9k 2.0×	1.1k 1.6×	392 0.7×	1.4k 3.7×	250	7.9k
Udo Reulbach Germany	38	649 0.3×	547 0.6×	295 0.4×	461 0.8×	201 0.5×	134	4.7k
Péter Novák United States	38	1.4k 0.8×	780 0.8×	232 0.3×	951 1.7×	301 0.8×	136	4.3k
Esko Länsimies Finland	34	2.0k 1.1×	625 0.6×	176 0.3×	798 1.4×	364 1.0×	126	3.4k

Countries citing papers authored by Kuniaki Otsuka

Since Specialization

Citations

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

Fields of papers citing papers by Kuniaki Otsuka

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Kuniaki Otsuka

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

Cornélissen, Germaine, et al.. (2025). Toward a personalized chronotherapy of blood pressure. Biomedical Journal. 48(5). 100849–100849. 2 indexed citations

Gubin, Denis, Dietmar Weinert, Oliver Stefani, et al.. (2025). Wearables in Chronomedicine and Interpretation of Circadian Health. Diagnostics. 15(3). 327–327. 19 indexed citations breakdown →

Otsuka, Kuniaki, et al.. (2023). Rules of Heliogeomagnetics Diversely Coordinating Biological Rhythms and Promoting Human Health. Applied Sciences. 13(2). 951–951. 3 indexed citations

Tahara, Yu, Tomoko Kikuchi, Kyoko Sato, et al.. (2019). The effect of night shift work on the expression of clock genes in beard hair follicle cells. Sleep Medicine. 56. 164–170. 15 indexed citations

Hirosaki, Mayumi, Kiyohito Okumiya, Taizo Wada, et al.. (2017). Self-rated health is associated with subsequent functional decline among older adults in Japan. International Psychogeriatrics. 29(9). 1475–1483. 21 indexed citations

Umishio, Wataru, Toshiharu Ikaga, Kuniaki Otsuka, & Shintaro Ando. (2015). IMPACTS OF BEDROOM TEMPERATURE ON BLOOD PRESSURE VARIABILITY IN THE EARLY MORNING, BASED ON AMBULATORY BLOOD PRESSURE MONITORING. Journal of Environmental Engineering (Transactions of AIJ). 80(716). 867–875. 1 indexed citations

Umishio, Wataru, Toshiharu Ikaga, Shintaro Ando, & Kuniaki Otsuka. (2015). THE IMPACT OF INDOOR TEMPERATURE ON HOME BLOOD PRESSURE BASED ON A MULTILEVEL MODEL. Journal of Environmental Engineering (Transactions of AIJ). 80(715). 703–710. 3 indexed citations

Otsuka, Kuniaki, Germaine Cornélissen, Yutaka Kubo, et al.. (2015). Intrinsic cardiovascular autonomic regulatory system of astronauts exposed long-term to microgravity in space: observational study. npj Microgravity. 1(1). 15018–15018. 20 indexed citations

Shimada, Kazuyuki, Yutaka Imai, Kazuomi Kario, et al.. (2012). Guidelines for the Clinical Use of 24 Hour Ambulatory Blood Pressure Monitoring (ABPM) (JCS 2010) : Digest Version. Japanese Circulation Journal-english Edition. 76(2). 508–519. 52 indexed citations

10.

Yamamoto, Naomune, et al.. (2010). Detrended Fluctuation Analysis Is Considered to Be Useful as a New Indicator for Short-Term Glucose Complexity. Diabetes Technology & Therapeutics. 12(10). 775–783. 24 indexed citations

11.

Halberg, F, Germaine Cornélissen, Robert B. Sothern, et al.. (2008). Cycles Tipping the Scale between Death and Survival (="Life")(WHAT IS LIFE? THE NEXT 100 YEARS OF YUKAWA'S DREAM). Progress of Theoretical Physics Supplement. 153–181. 1 indexed citations

12.

Cornélissen, Germaine, F Halberg, Carlo Rostagno, & Kuniaki Otsuka. (2007). A chronomic approach to cardiac arrhythmia and sudden cardiac death. 44(4). 251–254. 10 indexed citations

13.

Halberg, F, George Katinas, Germaine Cornélissen, et al.. (2007). Strain tests : gauging variability in a day, week, year or decade. 44(4). 259–263. 1 indexed citations

14.

Otsuka, Kuniaki, Germaine G Cornelissen-Guillaume, Osamu Matsuoka, et al.. (2003). Mapping of blood pressure and heart rate variability: A model for pediatricians. 24. 157–164. 1 indexed citations

15.

Burioka, Naoto, Germaine G Cornelissen-Guillaume, Kuniaki Otsuka, Eiji Shimizu, & Franz Halberg. (2003). Linear and nonlinear indices of variability in respiratory movement, the electroencephalogram and the electrocardiogram. 24. 223–230. 1 indexed citations

16.

Halberg, Franz, Chen‐Huan Chen, George Katinas, et al.. (2000). Chronobiology: Time Structures, Chronomes, Gauge Aging, Disease Risk Syndromes and the Cosmos. 3(1). 67–90. 16 indexed citations

17.

Halberg, Franz, Germaine Cornélissen, Julia Halberg, et al.. (1998). Circadian Hyper-Amplitude-Tension (CHAT): A Disease Risk Syndrome of Anti-Aging Medicine. 1(3). 239–259. 43 indexed citations

18.

Otsuka, Kuniaki, et al.. (1985). New simple method for the analysis of sleep states employing the Holter monitoring system.. 22(3). 252–260. 5 indexed citations

19.

Otsuka, Kuniaki, et al.. (1980). STUDIES OF ARRHYTHMIAS BY 24-HOUR POLYGRAPHIC RECORDING : CORRELATION BETWEEN ARRHYTHMIAS AND SLEEP STATES : Electrocardiography・Vectircarduigraphy I : PROCEEDINGS OF THE 44th ANNUAL SCIENTIFIC MEETING OF THE JAPANESE CIRCULATION SOCIETY. Japanese Circulation Journal-english Edition. 44(8). 586–587. 3 indexed citations

20.

Otsuka, Kuniaki. (1979). A Case of Hypopituitarism with Angina Pectoris and Normal Coronary Arteriograms. 30(4). 188–197. 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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