Kotaro Ozasa

15.0k total citations · 3 hit papers
211 papers, 7.7k citations indexed

About

Kotaro Ozasa is a scholar working on Radiology, Nuclear Medicine and Imaging, Pulmonary and Respiratory Medicine and Epidemiology. According to data from OpenAlex, Kotaro Ozasa has authored 211 papers receiving a total of 7.7k indexed citations (citations by other indexed papers that have themselves been cited), including 64 papers in Radiology, Nuclear Medicine and Imaging, 41 papers in Pulmonary and Respiratory Medicine and 30 papers in Epidemiology. Recurrent topics in Kotaro Ozasa's work include Radiation Dose and Imaging (59 papers), Effects of Radiation Exposure (36 papers) and Radioactivity and Radon Measurements (27 papers). Kotaro Ozasa is often cited by papers focused on Radiation Dose and Imaging (59 papers), Effects of Radiation Exposure (36 papers) and Radioactivity and Radon Measurements (27 papers). Kotaro Ozasa collaborates with scholars based in Japan, United States and United Kingdom. Kotaro Ozasa's co-authors include Eric J. Grant, Kazunori Kodama, Yoshiyuki Watanabe, Ritsu Sakata, Hiromi Sugiyama, Akiko Tamakoshi, Midori Soda, Kenji Wakai, Dale L. Preston and Koji Suzuki and has published in prestigious journals such as The Lancet, Blood and Stroke.

In The Last Decade

Kotaro Ozasa

208 papers receiving 7.4k 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, Hiromi Sugiyama et al. Radiation Research profile →
Long-term effects of radiation exposure on health

2015 273 citations Kenji Kamiya, Kotaro Ozasa et al. profile →

Peers

Countries citing papers authored by Kotaro Ozasa

Since Specialization

Citations

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

Fields of papers citing papers by Kotaro Ozasa

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Kotaro Ozasa

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

All Works

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20 of 20 papers shown

#	Work	Indexed citations
1	Further analysis of incidence of multiple myeloma among atomic-bomb survivors, 1950 to 1994 2023 ·Blood Advances ·Noriaki Yoshida, Megumu Fujihara, Dale L. Preston, Kotaro Ozasa, Ayumi Hida, Waka Ohishi, Ritsu Sakata, Kiyóhiko Mabuchi	1
2	Alcohol intake and stomach cancer risk in Japan: A pooled analysis of six cohort studies 2021 ·Cancer Science ·Takashi Tamura, Kenji Wakai, Yingsong Lin, Akiko Tamakoshi, Mai Utada, Kotaro Ozasa, Yumi Sugawara, Ichiro Tsuji, (unknown), Norie Sawada, Shoichiro Tsugane, Hidemi Ito, Chisato Nagata, Tetsuhisa Kitamura, Mariko Naito, Keitaro Tanaka, Taichi Shimazu, Tetsuya Mizoue, Keitaro Matsuo, Manami Inoue	5
3	Cognitive effects of low dose of ionizing radiation – Lessons learned and research gaps from epidemiological and biological studies 2020 ·Environment International ·Elisa Pasqual, François D. Boussin, D. Bаzyка, Arvid Nordenskjöld, Michiko Yamada, Kotaro Ozasa, Simonetta Pazzaglia, Laurence Roy, Isabelle Thierry-Chef, Florent de Vathaire, Mohammed Abderrafi Benotmane, Elisabeth Cardis	29
4	Skin Cancer Incidence among Atomic Bomb Survivors from 1958 to 1996 2014 ·Radiation Research ·Hiromi Sugiyama, Munechika Misumi, Masao Kishikawa, Masachika Iseki, Shuji Yonehara, Tomayoshi Hayashi, Midori Soda, Shoji Tokuoka, Yukiko Shimizu, Ritsu Sakata, Eric J. Grant, Fumiyoshi Kasagi, Kiyóhiko Mabuchi, Akihiko Suyama, Kotaro Ozasa	36
5	Life as an evacuee after the Fukushima Daiichi nuclear power plant accident is a cause of polycythemia: the Fukushima Health Management Survey 2014 ·BMC Public Health ·(unknown), Akira Sakai, Tetsuya Ohira, Mitsuaki Hosoya, Akira Ohtsuru, Hiroaki Satoh, Yukihiko Kawasaki, Hitoshi Suzuki, Atsushi Takahashi, Gén Kobashi, Kotaro Ozasa, Seiji Yasumura, Shunichi Yamashita, Kenji Kamiya, Masafumi Abe	24
6	Radiation Exposure and the Risk of Mortality from Noncancer Respiratory Diseases in the Life Span Study, 1950–2005 2013 ·Radiation Research ·Truong‐Minh Pham, Ritsu Sakata, Eric J. Grant, Yukiko Shimizu, Kyoji Furukawa, Ikuno Takahashi, Hiromi Sugiyama, Fumiyoshi Kasagi, Midori Soda, Akihiko Suyama, Roy E. Shore, Kotaro Ozasa	20
7	Impact of smoking on mortality and life expectancy in Japanese smokers: a prospective cohort study 2012 ·BMJ ·Ritsu Sakata, Paul McGale, Eric J. Grant, Kotaro Ozasa, Richard Peto, Sarah C. Darby	81
8	Predictive Markers of Blood Cytokine and Chemokine in Recurrent Brain Infarction 2009 ·Journal of Interferon & Cytokine Research ·Nagato Kuriyama, Toshiki Mizuno, Masakazu Kita, Yoshinari Nagakane, Akiko Hosomi, (unknown), Kazuo Takeda, Kotaro Ozasa, Kei Yamada, Takahiko Tokuda, Yoshiyuki Watanabe, Masanori Nakagawa	12
9	Atopic Dermatitis, Dry Skin and Serum IgE in Children in a Community in Japan 2008 ·Dermatitis ·(unknown), Norito Katoh, Shinya Hirano, Saburo Kishimoto, Kotaro Ozasa	1
10	A 13-year Study of Japanese Cedar Pollinosis in Japanese Schoolchildren 2008 ·Allergology International ·Kotaro Ozasa, (unknown), (unknown), Yoshiyuki Watanabe, (unknown), Tetsuya Terada, (unknown), Hiroshi Takenaka	24
11	Diabetes mellitus and kidney cancer risk: The results of Japan Collaborative Cohort Study for Evaluation of Cancer Risk (JACC Study) 2007 ·International Journal of Urology ·Masakazu Washio, Mitsuru Mori, (unknown), Fumio Sakauchi, Yoshiyuki Watanabe, Kotaro Ozasa, Kyohei Hayashi, Tsuneharu Miki, Masahiro Nakao, Kazuya Mikami, Yoshinori Ito, Tatsuhiko Kubo, Kenji Wakai, Akiko Tamakoshi, (unknown)	43
12	Leptin Is Associated with an Increased Female Colorectal Cancer Risk: A Nested Case-Control Study in Japan 2005 ·Oncology ·Koji Tamakoshi, Hideaki Toyoshima, Kenji Wakai, Masayo Kojima, Koji Suzuki, Yoshiyuki Watanabe, Norihiko Hayakawa, Hiroshi Yatsuya, Takaaki Kondo, Shinkan Tokudome, Shuji Hashimoto, Sadao Suzuki, Miyuki Kawado, Kotaro Ozasa, Yoshinori Ito, Akiko Tamakoshi	88
13	Serum phytoestrogens and prostate cancer risk in a nested case‐control study among Japanese men 2004 ·Cancer Science ·Kotaro Ozasa, Masahiro Nakao, Yoshiyuki Watanabe, Kyohei Hayashi, Tsuneharu Miki, Kazuya Mikami, Mitsuru Mori, Fumio Sakauchi, Masakazu Washio, Yoshinori Ito, Koji Suzuki, Kenji Wakai, Akiko Tamakoshi	125
14	Dietary Habits and Risk of Urothelial Cancer Death in a Large-Scale Cohort Study (JACC Study) in Japan 2004 ·Nutrition and Cancer ·Fumio Sakauchi, Mitsuru Mori, Masakazu Washio, Yoshiyuki Watanabe, Kotaro Ozasa, Kyohei Hayashi, Tsuneharu Miki, Masahiro Nakao, Kazuya Mikami, Y. Ito, Kenji Wakai, Akiko Tamakoshi	13
15	Review Lung cancer screening,today 2003 ·Kotaro Ozasa	1
16	Serum carotenoids and mortality from lung cancer: a case‐control study nested in the Japan Collaborative Cohort (JACC) Study 2003 ·Cancer Science ·Yoshinori Ito, Kenji Wakai, Koji Suzuki, Akiko Tamakoshi, Nao Seki, Masahiko Ando, Yoshikazu Nishino, Takaaki Kondo, Yoshiyuki Watanabe, Kotaro Ozasa, Yoshiyuki Ohno, (unknown)	42
17	Various S-GOT/S-GPT Ratios in Nonviral Liver Disorders and Related Physical Conditions and Life-Style 2002 ·Digestive Diseases and Sciences ·(unknown), Kotaro Ozasa, Kyohei Hayashi, Keiichi Kawai	37
18	A Validation of the Hospital Anxiety and Depression Scale. 1998 ·Hiroyuki Hatta, Akane Higashi, (unknown), Kotaro Ozasa, Kyohei Hayashi, Keisuke Kiyota, (unknown), (unknown), (unknown), Yoshiyuki Watanabe, Keiichi Kawai	85
19	[Association of participation in health checkups with medical service utilization in a rural town]. 1997 ·PubMed ·Kotaro Ozasa, Akane Higashi, Masayuki Yamasaki, (unknown), (unknown), Makoto Fukumoto, (unknown), (unknown), Manabu Morita, (unknown), (unknown), (unknown), (unknown)	3
20	Validity of Self-Reported Passive Smoking Evaluated by Comparison with Smokers in the Same Household 1997 ·Journal of Epidemiology ·Kotaro Ozasa, Akane Higashi, (unknown), Kyohei Hayashi, Yoshiyuki Watanabe	13

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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