Hiroshi Tamura

7.4k total citations · 1 hit paper
151 papers, 5.8k citations indexed

About

Hiroshi Tamura is a scholar working on Reproductive Medicine, Molecular Biology and Immunology. According to data from OpenAlex, Hiroshi Tamura has authored 151 papers receiving a total of 5.8k indexed citations (citations by other indexed papers that have themselves been cited), including 45 papers in Reproductive Medicine, 43 papers in Molecular Biology and 38 papers in Immunology. Recurrent topics in Hiroshi Tamura's work include Reproductive System and Pregnancy (34 papers), Endometriosis Research and Treatment (27 papers) and Circadian rhythm and melatonin (24 papers). Hiroshi Tamura is often cited by papers focused on Reproductive System and Pregnancy (34 papers), Endometriosis Research and Treatment (27 papers) and Circadian rhythm and melatonin (24 papers). Hiroshi Tamura collaborates with scholars based in Japan, United States and Netherlands. Hiroshi Tamura's co-authors include Norihiro Sugino, Rüssel J. Reiter, Toshiaki Taketani, Ryo Maekawa, Yoshiaki Yamagata, Akihisa Takasaki, Isao Tamura, Hiromi Asada, Yasuhiko Nakamura and Katsunori Shimamura and has published in prestigious journals such as Proceedings of the National Academy of Sciences, Journal of Biological Chemistry and PLoS ONE.

In The Last Decade

Hiroshi Tamura

145 papers receiving 5.7k citations

Hit Papers

Oxidative stress impairs oocyte quality and melatonin pro... 2007 2026 2013 2019 2007 100 200 300 400 500
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.

  1. Oxidative stress impairs oocyte quality and melatonin protects oocytes from free radical damage and improves fertilization rate
    2007 555 citations Hiroshi Tamura, Akihisa Takasaki et al. profile →

Peers — A (Enhanced Table)

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

Name h Career Trend Papers Cites
Hiroshi Tamura Japan 41 2.1k 1.8k 1.6k 1.1k 1.1k 151 5.8k
Minoru Irahara Japan 42 2.5k 1.2× 984 0.6× 1.6k 1.0× 1.0k 0.9× 906 0.8× 318 6.2k
Norihiro Sugino Japan 51 2.8k 1.3× 1.3k 0.7× 2.2k 1.4× 1.9k 1.7× 1.4k 1.2× 178 7.4k
Håkan Billig Sweden 52 3.7k 1.7× 535 0.3× 3.8k 2.4× 1.5k 1.3× 2.6k 2.3× 149 8.9k
Samuel S.C. Yen United States 51 4.3k 2.0× 509 0.3× 2.1k 1.3× 691 0.6× 1.0k 0.9× 146 8.8k
Albert F. Parlow United States 48 1.7k 0.8× 739 0.4× 931 0.6× 945 0.8× 2.7k 2.4× 150 8.4k
R.F. Seamark Australia 36 880 0.4× 586 0.3× 1.6k 1.0× 521 0.5× 738 0.7× 121 4.3k
Melvyn S. Soloff United States 34 530 0.2× 853 0.5× 703 0.4× 911 0.8× 859 0.8× 88 4.2k
A. REES MIDGLEY United States 55 5.2k 2.4× 685 0.4× 2.6k 1.6× 814 0.7× 2.3k 2.1× 143 11.8k
Andrew N. Margioris Greece 48 779 0.4× 369 0.2× 658 0.4× 1.5k 1.3× 1.8k 1.6× 145 7.5k
E. Knobil United States 50 5.1k 2.4× 1.0k 0.6× 1.4k 0.9× 701 0.6× 1.3k 1.1× 145 9.1k

Countries citing papers authored by Hiroshi Tamura

Since Specialization
Citations

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

Fields of papers citing papers by Hiroshi Tamura

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Hiroshi Tamura

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

All Works

20 of 20 papers shown
1.
Tamura, Isao, Kei Miyamoto, Yuichiro Shirafuta, et al.. (2024). Nuclear actin assembly is an integral part of decidualization in human endometrial stromal cells. Communications Biology. 7(1). 830–830. 3 indexed citations
2.
Tamura, Hiroshi, Manabu Tanabe, Yuichiro Shirafuta, et al.. (2020). Importance of Melatonin in Assisted Reproductive Technology and Ovarian Aging. International Journal of Molecular Sciences. 21(3). 1135–1135. 148 indexed citations
3.
Mihara, Yumiko, Ryo Maekawa, Shun Sato, et al.. (2020). An Integrated Genomic Approach Identifies HOXC8 as an Upstream Regulator in Ovarian Endometrioma. The Journal of Clinical Endocrinology & Metabolism. 105(12). e4474–e4489. 14 indexed citations
4.
Tamura, Isao, Yuichiro Shirafuta, Yumiko Mihara, et al.. (2020). Wilms tumor 1 regulates lipid accumulation in human endometrial stromal cells during decidualization. Journal of Biological Chemistry. 295(14). 4673–4683. 19 indexed citations
5.
Tamura, Isao, Ryo Maekawa, Kosuke Jozaki, et al.. (2020). Transcription factor C/EBPβ induces genome-wide H3K27ac and upregulates gene expression during decidualization of human endometrial stromal cells. Molecular and Cellular Endocrinology. 520. 111085–111085. 24 indexed citations
6.
Tamura, Hiroshi, Hiroaki Yoshida, Hiroyuki Kikuchi, et al.. (2019). The clinical outcome of Dienogest treatment followed by in vitro fertilization and embryo transfer in infertile women with endometriosis. Journal of Ovarian Research. 12(1). 123–123. 32 indexed citations
7.
Maekawa, Ryo, Yumiko Mihara, Shun Sato, et al.. (2019). Aberrant DNA methylation suppresses expression of estrogen receptor 1 (ESR1) in ovarian endometrioma. Journal of Ovarian Research. 12(1). 14–14. 32 indexed citations
8.
Maekawa, Ryo, Isao Tamura, Masahiro Shinagawa, et al.. (2019). Genome-wide DNA methylation analysis revealed stable DNA methylation status during decidualization in human endometrial stromal cells. BMC Genomics. 20(1). 324–324. 27 indexed citations
9.
Shinagawa, Masahiro, Isao Tamura, Ryo Maekawa, et al.. (2019). C/EBPβ regulates Vegf gene expression in granulosa cells undergoing luteinization during ovulation in female rats. Scientific Reports. 9(1). 714–714. 22 indexed citations
10.
Maekawa, Ryo, Toshiaki Taketani, Yumiko Mihara, et al.. (2017). Thin endometrium transcriptome analysis reveals a potential mechanism of implantation failure. Reproductive Medicine and Biology. 16(2). 206–227. 48 indexed citations
11.
Tamura, Kazuhiro, et al.. (1998). Ovarian immune cells express granulocyte-macrophage colony-stimulating factor (GM-CSF) during follicular growth and luteinization in gonadotropin-primed immature rodents. Molecular and Cellular Endocrinology. 142(1-2). 153–163. 26 indexed citations
12.
Watanabe, Kaoru, et al.. (1998). Covering Problems in the p-Collection Problems. IEICE Transactions on Fundamentals of Electronics Communications and Computer Sciences. 81(3). 470–475. 1 indexed citations
13.
Tamura, Hiroshi, et al.. (1997). On a Generalization of a Covering Problem Called Single Cover on Undirected Flow Networks (Special Section of Selected Papers from the 9th Karuizawa Workshop on Circuits and Systems). IEICE Transactions on Fundamentals of Electronics Communications and Computer Sciences. 80(3). 544–550. 2 indexed citations
14.
Tamura, Hiroshi, et al.. (1997). On a Generalization of a Covering Problem Called Single Cover on Undirected Flow Networks. IEICE Transactions on Fundamentals of Electronics Communications and Computer Sciences. 544–550. 4 indexed citations
15.
Tanaka, Hiroshi, et al.. (1996). Effects of Interleukin-2 and Cyclosporin A on Pathologic Features in Mycoplasma Pneumonia. American Journal of Respiratory and Critical Care Medicine. 154(6). 1908–1912. 23 indexed citations
16.
Tanaka, Hiroshi, et al.. (1994). [Therapeutic effectiveness of prednisolone in Mycoplasma pulmonis-infected pneumonia in mice].. PubMed. 32(1). 42–7. 2 indexed citations
17.
Tamura, Hiroshi, Fumihiko Hayashi, Junji Yamada, et al.. (1992). 208 LONG-TERM EFFECTS OF DEHYDROEPIANDROSTERONE (DHEA), PEROXISOME PROLIFERATOR, ON THE LIVER OF RATS : HEPATO-CARCINOGENICITY OF DHEA IN RATS. The Journal of Toxicological Sciences. 17(4). 315. 2 indexed citations
18.
Onzawa, Tadao, Akito Takasaki, & Hiroshi Tamura. (1988). Precipitation process of M23C6 and sigma phase in type 316L weld metal.. QUARTERLY JOURNAL OF THE JAPAN WELDING SOCIETY. 6(1). 128–132. 1 indexed citations
19.
Onzawa, Tadao, Akito Takasaki, Takashi Harada, & Hiroshi Tamura. (1987). Low temperature toughness of austenitic stainless steel weld metal. Report 3. Effect of reheating on low temperature toughness of Type 316L weld metal.. QUARTERLY JOURNAL OF THE JAPAN WELDING SOCIETY. 5(2). 262–268.
20.
Tamura, Hiroshi, et al.. (1967). Eine neue litorale Collembolen-Art von Hokkaido (Mit 17 Textabbildungen). 北海道大學理學部紀要 = JOURNAL OF THE FACULTY OF SCIENCE HOKKAIDO UNIVERSITY Series ⅤⅠ. ZOOLOGY. 16(2). 234–237. 2 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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