Ritsu Sakata

4.8k total citations · 2 hit papers
80 papers, 3.1k citations indexed

About

Ritsu Sakata is a scholar working on Radiology, Nuclear Medicine and Imaging, Pulmonary and Respiratory Medicine and Radiological and Ultrasound Technology. According to data from OpenAlex, Ritsu Sakata has authored 80 papers receiving a total of 3.1k indexed citations (citations by other indexed papers that have themselves been cited), including 50 papers in Radiology, Nuclear Medicine and Imaging, 19 papers in Pulmonary and Respiratory Medicine and 14 papers in Radiological and Ultrasound Technology. Recurrent topics in Ritsu Sakata's work include Radiation Dose and Imaging (47 papers), Effects of Radiation Exposure (28 papers) and Radiation Therapy and Dosimetry (14 papers). Ritsu Sakata is often cited by papers focused on Radiation Dose and Imaging (47 papers), Effects of Radiation Exposure (28 papers) and Radiation Therapy and Dosimetry (14 papers). Ritsu Sakata collaborates with scholars based in Japan, United States and United Kingdom. Ritsu Sakata's co-authors include Eric J. Grant, Kotaro Ozasa, Hiromi Sugiyama, Midori Soda, Fumiyoshi Kasagi, Akihiko Suyama, Yukiko Shimizu, Kazunori Kodama, Mai Utada and Kiyóhiko Mabuchi and has published in prestigious journals such as Blood, The Journal of Clinical Endocrinology & Metabolism and Cancer Research.

In The Last Decade

Ritsu Sakata

75 papers receiving 3.0k 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.

Studies of the Mortality of Atomic Bomb Survivors, Report 14, 1950–2003: An Overview of Cancer and Noncancer Diseases

2012 594 citations Kotaro Ozasa, Yukiko Shimizu et al. Radiation Research profile →
Solid Cancer Incidence among the Life Span Study of Atomic Bomb Survivors: 1958–2009

2017 289 citations Eric J. Grant, Alina V. Brenner et al. Radiation Research profile →

Peers

Ritsu Sakata

RNMI

PRM

RUT

GPC

Eric J. Grant Japan

Yukiko Shimizu Japan

Lydia B. Zablotska United States

Juan Miguel Barros-Dios Spain

Michaela Kreuzer Germany

Ausrele Kesminiene France

Shoji Tokuoka Japan

Shizue Izumi Japan

М.D. Тronko Ukraine

Makoto Akashi Japan

Eric J. Grant Japan

Ritsu Sakata

2.1k ×1.1

RNMI

812 ×1.1

PRM

601 ×0.9

RUT

263 ×0.7

GPC

273 ×0.9

Citations per year, relative to Ritsu Sakata Ritsu Sakata (= 1×) peers Eric J. Grant

Countries citing papers authored by Ritsu Sakata

Since Specialization

Citations

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

Fields of papers citing papers by Ritsu Sakata

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Ritsu Sakata

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

Yoshida, Noriaki, Ayumi Hida, & Ritsu Sakata. (2025). Trends of changes in human T-cell leukemia virus type 1 epidemiology in Japan and globally. Leukemia Research. 150. 107654–107654.

Kamiya, Kenji, Ritsu Sakata, & Preetha Rajaraman. (2025). Eight decades of research on the long-term health effects of radiation in atomic bomb survivors and their offspring. Carcinogenesis. 46(3).

Brenner, Alina V., Hiromi Sugiyama, John Cologne, et al.. (2025). Summary of radiation effects on incidence of solid cancers in the Life Span Study of atomic bomb survivors: 1958–2009. Carcinogenesis. 46(3).

Nakamura, Nori, Michiko Yamada, Ritsu Sakata, et al.. (2025). Overview and future studies of potential hereditary effects of parental exposure to atomic bomb radiation on their offspring. Carcinogenesis. 46(3).

Tatsukawa, Yoshimi, Richard Sposto, Michiko Yamada, et al.. (2024). Relationship Between Radiation Dose and Markers of Insulin Resistance and Inflammation in Atomic Bomb Survivors. The Journal of Clinical Endocrinology & Metabolism. 110(6). e1943–e1950. 1 indexed citations

Yoshida, Noriaki, Megumu Fujihara, Dale L. Preston, et al.. (2023). Further analysis of incidence of multiple myeloma among atomic-bomb survivors, 1950 to 1994. Blood Advances. 7(12). 2807–2810. 1 indexed citations

Shrestha, Rachana Manandhar, Tetsuya Mizoue, Zobida Islam, et al.. (2023). Adult Height and Risk of Colorectal Cancer: A Pooled Analysis of 10 Population-based Cohort Studies in Japan. Journal of Epidemiology. 34(2). 94–103. 1 indexed citations

Wilunda, Calistus, Sarah Krull Abe, Thomas Svensson, et al.. (2022). Sleep duration and risk of cancer incidence and mortality: A pooled analysis of six population‐based cohorts in Japan. International Journal of Cancer. 151(7). 1068–1080. 17 indexed citations

Shrestha, Rachana Manandhar, Tetsuya Mizoue, Norie Sawada, et al.. (2021). Adult height in relation to the risk of colorectal cancer among the Japanese population: an evaluation based on systematic review and meta-analysis. Japanese Journal of Clinical Oncology. 52(4). 322–330. 2 indexed citations

10.

Ishikawa, Tetsuo, Hideto Takahashi, Seiji Yasumura, et al.. (2017). Representativeness of individual external doses estimated for one quarter of residents in the Fukushima Prefecture after the nuclear disaster: the Fukushima Health Management Survey. Journal of Radiological Protection. 37(3). 584–605. 14 indexed citations

11.

Izumi, Shizue, Ritsu Sakata, Michiko Yamada, & John Cologne. (2015). Interaction between a single exposure and age in cohort-based hazard rate models impacted the statistical distribution of age at onset. Journal of Clinical Epidemiology. 71. 43–50. 2 indexed citations

12.

Sugiyama, Hiromi, Munechika Misumi, Masao Kishikawa, et al.. (2014). Skin Cancer Incidence among Atomic Bomb Survivors from 1958 to 1996. Radiation Research. 181(5). 531–539. 36 indexed citations

13.

Pham, Truong‐Minh, Ritsu Sakata, Eric J. Grant, et al.. (2013). Radiation Exposure and the Risk of Mortality from Noncancer Respiratory Diseases in the Life Span Study, 1950–2005. Radiation Research. 180(5). 539–545. 20 indexed citations

14.

Sakata, Ritsu, Paul McGale, Eric J. Grant, et al.. (2012). Impact of smoking on mortality and life expectancy in Japanese smokers: a prospective cohort study. BMJ. 345(oct25 2). e7093–e7093. 81 indexed citations

15.

Pham, Truong‐Minh, Kotaro Ozasa, Tatsuhiko Kubo, et al.. (2012). Age-Period-Cohort Analysis of Chronic Obstructive Pulmonary Disease Mortality in Japan, 1950^|^ndash;2004. Journal of Epidemiology. 22(4). 302–307. 13 indexed citations

16.

Tatsukawa, Yoshimi, Eiji Nakashima, Michiko Yamada, et al.. (2008). Cardiovascular Disease Risk among Atomic Bomb Survivors ExposedIn Utero, 1978–2003. Radiation Research. 170(3). 269–274. 25 indexed citations

17.

Kurozawa, Youichi, Itsuro Ogimoto, Akira Shibata, et al.. (2004). Dietary Habits and Risk of Death due to Hepatocellular Carcinoma in a Large Scale Cohort Study in Japan. Univariate Analysis of JACC Study Data. The Kurume Medical Journal. 51(2). 141–149. 68 indexed citations

18.

Ogimoto, Itsuro, Akira Shibata, Youichi Kurozawa, et al.. (2004). Risk of Death due to Hepatocellular Carcinoma among Smokers and Ex-smokers. Univariate Analysis of JACC Study Data. The Kurume Medical Journal. 51(1). 71–81. 9 indexed citations

19.

Sakata, Ritsu, Atsushi Nishiyori, & Keiji Fukuda. (2003). Simultaneous genotyping of alcohol dehydrogenase 2 and aldehyde dehydrogenase 2 by single‐strand conformation polymorphism analysis. Scandinavian Journal of Clinical and Laboratory Investigation. 63(7-8). 467–472. 2 indexed citations

20.

Shibata, Akira, Itsuro Ogimoto, Youichi Kurozawa, et al.. (2003). Past Medical History and Risk of Death due to Hepatocellular Carcinoma, Univariate Analysis of JACC Study Data. The Kurume Medical Journal. 50(3/4). 109–119. 11 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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