Rie Sugiyama

767 total citations
23 papers, 578 citations indexed

About

Rie Sugiyama is a scholar working on Reproductive Medicine, Public Health, Environmental and Occupational Health and Pediatrics, Perinatology and Child Health. According to data from OpenAlex, Rie Sugiyama has authored 23 papers receiving a total of 578 indexed citations (citations by other indexed papers that have themselves been cited), including 17 papers in Reproductive Medicine, 12 papers in Public Health, Environmental and Occupational Health and 9 papers in Pediatrics, Perinatology and Child Health. Recurrent topics in Rie Sugiyama's work include Reproductive Biology and Fertility (12 papers), Ovarian function and disorders (10 papers) and Assisted Reproductive Technology and Twin Pregnancy (9 papers). Rie Sugiyama is often cited by papers focused on Reproductive Biology and Fertility (12 papers), Ovarian function and disorders (10 papers) and Assisted Reproductive Technology and Twin Pregnancy (9 papers). Rie Sugiyama collaborates with scholars based in Japan and United States. Rie Sugiyama's co-authors include Shiv I. S. Grewal, Ken-ichi Noma, Martin Zofall, Hugh P. Cam, Ryûji Kobayashi, Tomoyasu Sugiyama, Chie Takahashi, Koji Nakagawa, Rikikazu Sugiyama and Keiichi Isaka and has published in prestigious journals such as Cell, Fertility and Sterility and Journal of the Neurological Sciences.

In The Last Decade

Rie Sugiyama

22 papers receiving 542 citations

Peers

Rie Sugiyama

PHEOH

PPCH

Walid E. Maalouf United Kingdom

Songbang Ou China

Maud Giele Netherlands

Kanako Kaneyama Japan

Bongkoch Turathum Thailand

Sachiko Makabe Italy

T. Vaxevanoglou United States

Zhen Teng China

Ilaria Stanghellini Italy

Ri‐Cheng Chian China

Walid E. Maalouf United Kingdom

Rie Sugiyama

253 ×0.8

454 ×2.0

PHEOH

332 ×1.5

24 ×0.2

172 ×2.1

PPCH

Citations per year, relative to Rie Sugiyama Rie Sugiyama (= 1×) peers Walid E. Maalouf

Countries citing papers authored by Rie Sugiyama

Since Specialization

Citations

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

Fields of papers citing papers by Rie Sugiyama

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Rie Sugiyama

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

Suzuki, Kentaro, Rie Sugiyama, Seiji Okubo, et al.. (2024). The randomized study of enteral nutrition with rapid versus conventional administration in acute stroke patients; the protocol of rapid EN trial. Frontiers in Neurology. 15. 1393345–1393345.

Suzuki, Kentaro, Rie Sugiyama, Takehiro Katano, et al.. (2022). The safety of rapid administration of enteral nutrition in acute stroke patients. Journal of the Neurological Sciences. 437. 120270–120270. 5 indexed citations

Nakagawa, Koji, Chie Usui, Rie Sugiyama, et al.. (2017). The Endometriosis Fertility Index Is Useful for Predicting the Ability to Conceive without Assisted Reproductive Technology Treatment after Laparoscopic Surgery, Regardless of Endometriosis. Gynecologic and Obstetric Investigation. 83(5). 493–498. 9 indexed citations

Nakagawa, Koji, et al.. (2015). Perinatal outcomes of patients who achieved pregnancy with a morphologically poor embryo via assisted reproductive technology. Archives of Gynecology and Obstetrics. 293(1). 183–188. 8 indexed citations

Nakagawa, Koji, et al.. (2014). Prostaglandin therapy during the proliferative phase improves pregnancy rates following frozen embryo transfer in a hormone replacement cycle. Journal of obstetrics and gynaecology research. 40(5). 1331–1337. 6 indexed citations

Nakagawa, Koji, Rie Sugiyama, Hiroshi Motoyama, et al.. (2014). Advanced scheduling for zygote intrafallopian transfer is possible via the use of a hormone replacement cycle for patients who have experienced repeated implantation failures. Archives of Gynecology and Obstetrics. 290(5). 1031–1035. 1 indexed citations

Nakagawa, Koji, et al.. (2014). Clomiphene citrate affects the receptivity of the uterine endometrium. Reproductive Medicine and Biology. 14(2). 73–78. 7 indexed citations

Sugiyama, Rikikazu, et al.. (2013). Using a mild stimulation protocol combined with clomiphene citrate and recombinant follicle‐stimulating hormone to determine the optimal number of oocytes needed to achieve pregnancy and reduce the concerns of patients. Reproductive Medicine and Biology. 12(3). 105–110. 4 indexed citations

Nakagawa, Koji, et al.. (2012). Hyaluronan-enriched transfer medium improves outcome in patients with multiple embryo transfer failures. Journal of Assisted Reproduction and Genetics. 29(7). 679–685. 37 indexed citations

10.

Nakagawa, Koji, et al.. (2011). A programmed schedule of oocyte retrieval using mild ovarian stimulation (clomiphene citrate and recombinant follicle‐stimulating hormone). Reproductive Medicine and Biology. 11(2). 85–89. 19 indexed citations

11.

Nakagawa, Koji, et al.. (2010). Elective single cleavage‐stage embryo transfer need not result in lower pregnancy rates compared to double cleavage‐stage embryo transfer. Journal of obstetrics and gynaecology research. 36(4). 777–782. 7 indexed citations

12.

Nakagawa, Koji, et al.. (2010). A study of the effect of an extremely low oxygen concentration on the development of human embryos in assisted reproductive technology. Reproductive Medicine and Biology. 9(3). 163–168. 9 indexed citations

13.

Nakagawa, Koji, Masato Inoue, Rie Sugiyama, et al.. (2010). A new evaluation score that uses salpingoscopy to reflect fallopian tube function in infertile women. Fertility and Sterility. 94(7). 2753–2757. 3 indexed citations

14.

Sugiyama, Rie, Chie Takahashi, Hiroe Ito, et al.. (2010). Bone morphogenetic protein 2 may be a good predictor of success in oocyte fertilization during assisted reproductive technology. Human Cell. 23(3). 83–88. 19 indexed citations

15.

Sugiyama, Rikikazu, et al.. (2010). Clinical outcomes resulting from the transfer of vitrified human embryos using a new device for cryopreservation (plastic blade). Journal of Assisted Reproduction and Genetics. 27(4). 161–167. 35 indexed citations

16.

Nakagawa, Koji, et al.. (2009). Improvement of sperm motility by short-interval sequential ejaculation in oligoasthenozoospermic patients. Archives of Medical Science. 4(4). 438–442. 12 indexed citations

17.

Sugiyama, Rikikazu, et al.. (2008). The dilemma faced by patients who undergo single embryo transfer. Reproductive Medicine and Biology. 8(1). 33–37. 8 indexed citations

18.

Sugiyama, Tomoyasu, Hugh P. Cam, Rie Sugiyama, et al.. (2007). SHREC, an Effector Complex for Heterochromatic Transcriptional Silencing. Cell. 129(6). 1227–1227. 9 indexed citations

19.

Sugiyama, Tomoyasu, Hugh P. Cam, Rie Sugiyama, et al.. (2007). SHREC, an Effector Complex for Heterochromatic Transcriptional Silencing. Cell. 128(3). 491–504. 264 indexed citations

20.

Takahashi, Chie, et al.. (2007). Anti-Müllerian hormone substance from follicular fluid is positively associated with success in oocyte fertilization during in vitro fertilization. Fertility and Sterility. 89(3). 586–591. 99 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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