Yasumasa Otsuka

1.9k total citations · 1 hit paper
54 papers, 1.3k citations indexed

About

Yasumasa Otsuka is a scholar working on General Health Professions, Social Psychology and Experimental and Cognitive Psychology. According to data from OpenAlex, Yasumasa Otsuka has authored 54 papers receiving a total of 1.3k indexed citations (citations by other indexed papers that have themselves been cited), including 31 papers in General Health Professions, 19 papers in Social Psychology and 15 papers in Experimental and Cognitive Psychology. Recurrent topics in Yasumasa Otsuka's work include Workplace Health and Well-being (28 papers), Sleep and Work-Related Fatigue (12 papers) and Employment and Welfare Studies (7 papers). Yasumasa Otsuka is often cited by papers focused on Workplace Health and Well-being (28 papers), Sleep and Work-Related Fatigue (12 papers) and Employment and Welfare Studies (7 papers). Yasumasa Otsuka collaborates with scholars based in Japan, United States and Austria. Yasumasa Otsuka's co-authors include Masaya Takahashi, Kosuke Kaida, Akinori Nakata, Kenji Fukasawa, Takashi Haratani, Torbjörn Åkerstedt, Takeshi Sasaki, Ippei Mori, Kenji Iwasaki and Kazuhiro Watanabe and has published in prestigious journals such as SHILAP Revista de lepidopterología, SLEEP and International Journal of Environmental Research and Public Health.

In The Last Decade

Yasumasa Otsuka

50 papers receiving 1.3k 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.

Validation of the Karolinska sleepiness scale against performance and EEG variables

2006 711 citations Kosuke Kaida, Masaya Takahashi et al. profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Yasumasa Otsuka Japan	14	732	366	268	266	174	54	1.3k
Michael Ingre Sweden	24	1.3k 1.8×	595 1.6×	319 1.2×	391 1.5×	208 1.2×	63	2.0k
Torbjörn Åkerstedt Sweden	10	773 1.1×	255 0.7×	98 0.4×	304 1.1×	179 1.0×	12	1.0k
Kosuke Kaida Japan	18	917 1.3×	382 1.0×	75 0.3×	477 1.8×	241 1.4×	46	1.6k
Kevin B. Gregory United States	18	961 1.3×	426 1.2×	163 0.6×	219 0.8×	80 0.5×	54	1.3k
Halszka Ogińska Poland	18	519 0.7×	112 0.3×	255 1.0×	374 1.4×	255 1.5×	41	1.1k
Arne Löwden Sweden	26	1.5k 2.0×	429 1.2×	397 1.5×	341 1.3×	631 3.6×	57	2.2k
Nicole Lamond Australia	27	1.8k 2.5×	808 2.2×	243 0.9×	409 1.5×	221 1.3×	39	2.2k
Geoffrey E. Ott United States	7	1.3k 1.8×	267 0.7×	112 0.4×	745 2.8×	291 1.7×	9	1.8k
Kimberly A. Honn United States	14	698 1.0×	193 0.5×	120 0.4×	326 1.2×	215 1.2×	30	1.1k
Sarah M. Jay Australia	21	913 1.2×	326 0.9×	225 0.8×	182 0.7×	80 0.5×	47	1.2k

Countries citing papers authored by Yasumasa Otsuka

Since Specialization

Citations

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

Fields of papers citing papers by Yasumasa Otsuka

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Yasumasa Otsuka

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

Otsuka, Yasumasa, et al.. (2024). Reliability and validity of the Japanese version of the Overwork Climate Scale. Industrial Health. 63(1). 40–52. 1 indexed citations

Otsuka, Yasumasa, Junko Nakamura, Keiko Hara, et al.. (2023). Happiness Detected by the Emotion Cognition System Is Associated with Burnout in an Information Technology Products and Services Trading Company. International Journal of Environmental Research and Public Health. 20(3). 2212–2212. 2 indexed citations

Eguchi, Hisashi, Kazuhiro Watanabe, Norito Kawakami, et al.. (2023). Work-related psychosocial factors and inflammatory markers: A systematic review and meta-analysis. Journal of Psychosomatic Research. 170. 111349–111349. 3 indexed citations

Otsuka, Yasumasa, et al.. (2023). Development of the Japanese version of the Public Service Motivation Scale: reliability and validity. SANGYO EISEIGAKU ZASSHI. 66(2). 73–84. 1 indexed citations

Sasaki, Natsu, Kotaro Imamura, Kazuhiro Watanabe, et al.. (2022). The impact of workplace psychosocial factors on menstrual disorders and infertility: a protocol for a systematic review and meta-analysis. Systematic Reviews. 11(1). 195–195. 4 indexed citations

Takahashi, Masaya, Tomoaki Matsuo, Takeshi Sasaki, et al.. (2021). Health problems associated with single, multiple, and the frequency of months of objectively measured long working hours: a cohort study by the National Institute of Occupational Safety and Health, Japan. International Archives of Occupational and Environmental Health. 95(3). 685–699. 3 indexed citations

Sakuraya, Asuka, Kotaro Imamura, Kazuhiro Watanabe, et al.. (2020). What Kind of Intervention Is Effective for Improving Subjective Well-Being Among Workers? A Systematic Review and Meta-Analysis of Randomized Controlled Trials. Frontiers in Psychology. 11. 528656–528656. 38 indexed citations

Imamura, Kotaro, Akizumi Tsutsumi, Hideaki Arima, et al.. (2019). Association between psychosocial factors at work and health outcomes after retirement: a protocol for a systematic review and meta-analysis. BMJ Open. 9(8). e030773–e030773. 7 indexed citations

Takahashi, Masaya, Tomoaki Matsuo, Takeshi Sasaki, et al.. (2019). Objective and subjective working hours and their roles on workers’ health among Japanese employees. Industrial Health. 58(3). 265–275. 9 indexed citations

10.

Eguchi, Hisashi, Kazuhiro Watanabe, Norito Kawakami, et al.. (2018). Psychosocial factors at work and inflammatory markers: protocol for a systematic review and meta-analysis. BMJ Open. 8(8). e022612–e022612. 11 indexed citations

11.

Otsuka, Yasumasa, et al.. (2018). Reliability and validity of the Japanese version of the Feedback Environment Scale (FES-J) for workers. Industrial Health. 57(3). 326–341. 6 indexed citations

12.

Otsuka, Yasumasa, et al.. (2016). Association of Suicidal Ideation with Job Demands and Job Resources: a Large Cross-Sectional Study of Japanese Workers. International Journal of Behavioral Medicine. 23(4). 418–426. 6 indexed citations

13.

Watanabe, Kazuhiro & Yasumasa Otsuka. (2014). Construction of the Models of Workers' Leisure-Time Physical Activity UsingSelf-efficacy, Social Support, Environmental Factors, and Workplace Factors. Medical Entomology and Zoology. 20(1). 17–23. 1 indexed citations

14.

Otsuka, Yasumasa & Yuji Horita. (2013). Statistics on suicides of japanese workers. Japan labor review. 10(4). 44–54. 5 indexed citations

15.

Sakurai, Kenji, et al.. (2013). How do employment types and job stressors relate to occupational injury? A cross-sectional investigation of employees in Japan. Public Health. 127(11). 1012–1020. 19 indexed citations

16.

Kusnanto, Hari, et al.. (2013). KEBIASAAN MAKAN PAGI, LAMA TIDUR DAN KELELAHAN KERJA (FATIGUE) PADA DOSEN. 9(1). 53–57. 12 indexed citations

17.

Takahashi, Masaya, Kenji Iwasaki, Takeshi Sasaki, et al.. (2012). Sleep, Fatigue, Recovery, and Depression After Change in Work Time Control. Journal of Occupational and Environmental Medicine. 54(9). 1078–1085. 30 indexed citations

18.

Takahashi, Masaya, Kenji Iwasaki, Takeshi Sasaki, et al.. (2010). Worktime control-dependent reductions in fatigue, sleep problems, and depression. Applied Ergonomics. 42(2). 244–250. 50 indexed citations

19.

Nakata, Akinori, Masaya Takahashi, Yasumasa Otsuka, & Naomi G. Swanson. (2010). Is Self-Rated Health Associated with Blood Immune Markers in Healthy Individuals?. International Journal of Behavioral Medicine. 17(3). 234–242. 27 indexed citations

20.

Otsuka, Yasumasa, Masaya Takahashi, Akinori Nakata, et al.. (2007). Sickness Absence in Relation to Psychosocial Work Factors among Daytime Workers in an Electric Equipment Manufacturing Company. Industrial Health. 45(2). 224–231. 21 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