Nobuhiko Ohta

617 total citations
13 papers, 498 citations indexed

About

Nobuhiko Ohta is a scholar working on Public Health, Environmental and Occupational Health, Reproductive Medicine and Pediatrics, Perinatology and Child Health. According to data from OpenAlex, Nobuhiko Ohta has authored 13 papers receiving a total of 498 indexed citations (citations by other indexed papers that have themselves been cited), including 10 papers in Public Health, Environmental and Occupational Health, 7 papers in Reproductive Medicine and 2 papers in Pediatrics, Perinatology and Child Health. Recurrent topics in Nobuhiko Ohta's work include Reproductive Biology and Fertility (9 papers), Ovarian function and disorders (4 papers) and Endometriosis Research and Treatment (2 papers). Nobuhiko Ohta is often cited by papers focused on Reproductive Biology and Fertility (9 papers), Ovarian function and disorders (4 papers) and Endometriosis Research and Treatment (2 papers). Nobuhiko Ohta collaborates with scholars based in Japan. Nobuhiko Ohta's co-authors include Hidekazu Saito, Masahiko Hiroi, Takakazu Saito, Mariko Ito, Kenji Nakahara, Toshifumi Takahashi, Tomoko Kaneko-Tarui, Mayumi Toya, Hiroshi Watanabe and Naohiro Tezuka and has published in prestigious journals such as Human Reproduction, Fertility and Sterility and Surface Science.

In The Last Decade

Nobuhiko Ohta

12 papers receiving 479 citations

Peers — A (Enhanced Table)

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

Name h Career Trend Papers Cites
Nobuhiko Ohta Japan 9 384 325 126 116 68 13 498
Raoul Lombroso France 12 229 0.6× 231 0.7× 56 0.4× 178 1.5× 76 1.1× 22 404
Yundong Mao China 15 489 1.3× 359 1.1× 130 1.0× 112 1.0× 98 1.4× 45 630
Ester Polak de Fried Argentina 10 420 1.1× 357 1.1× 83 0.7× 198 1.7× 57 0.8× 23 587
Yumiko Iba Japan 8 295 0.8× 136 0.4× 150 1.2× 188 1.6× 84 1.2× 12 409
Clifford A. Walters United States 12 281 0.7× 170 0.5× 132 1.0× 87 0.8× 24 0.4× 15 417
Hasan Fakih United States 7 322 0.8× 104 0.3× 196 1.6× 182 1.6× 19 0.3× 8 397
Adriana M. Caille Argentina 11 246 0.6× 242 0.7× 25 0.2× 60 0.5× 60 0.9× 24 341
Claude Humeau France 7 331 0.9× 360 1.1× 86 0.7× 49 0.4× 96 1.4× 8 585
Françoise Arnal France 7 332 0.9× 362 1.1× 86 0.7× 49 0.4× 100 1.5× 8 613
Sanae Orisaka Japan 5 178 0.5× 233 0.7× 56 0.4× 38 0.3× 113 1.7× 7 336

Countries citing papers authored by Nobuhiko Ohta

Since Specialization
Citations

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

Fields of papers citing papers by Nobuhiko Ohta

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Nobuhiko Ohta

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

All Works

13 of 13 papers shown
1.
Takehara, Isao, Toshifumi Takahashi, Kuniaki Ota, et al.. (2018). Trichorionic Triamniotic Triplets After Single Embryo Transfer: A Case Series and Literature Review. International Journal of Women s Health and Reproduction Sciences. 7(3). 408–411.
2.
Ohta, Nobuhiko, Hidekazu Saito, Tomoko Kaneko-Tarui, et al.. (2001). Soluble CD44 in Human Ovarian Follicular Fluid. Journal of Assisted Reproduction and Genetics. 18(1). 21–25. 20 indexed citations
3.
Asada, Hiromu & Nobuhiko Ohta. (2001). Cluster variation theory of the triple point of the triangular lattice gas with the first nearest neighbor exclusion. Surface Science. 480(1-2). 25–36. 1 indexed citations
4.
Toya, Mayumi, Hidekazu Saito, Nobuhiko Ohta, et al.. (2000). Moderate and severe endometriosis is associated with alterations in the cell cycle of granulosa cells in patients undergoing in vitro fertilization and embryo transfer. Fertility and Sterility. 73(2). 344–350. 83 indexed citations
5.
Saito, Hidekazu, Tomoko Kaneko-Tarui, Satoshi Kawachiya, et al.. (2000). Application of Vitrification to Human Embryo Freezing. Gynecologic and Obstetric Investigation. 49(3). 145–149. 38 indexed citations
6.
Ohta, Nobuhiko. (1999). Expression of CD44 in human cumulus and mural granulosa cells of individual patients in in-vitro fertilization programmes. Molecular Human Reproduction. 5(1). 22–28. 41 indexed citations
7.
Nakahara, Kenji, Hidekazu Saito, Takakazu Saito, et al.. (1998). Ovarian Fecundity in Patients With Endometriosis can be estimated by the Incidence of Apoptotic Bodies. Fertility and Sterility. 69(5). 931–935. 56 indexed citations
8.
Nakahara, Kenji, Hidekazu Saito, Takakazu Saito, et al.. (1997). The incidence of apoptotic bodies in membrana granulosa can predict prognosis of ova from patients participating in in vitro fertilization programs. Fertility and Sterility. 68(2). 312–317. 111 indexed citations
9.
Saito, Hidekazu, Nobuhiko Ohta, Toshifumi Takahashi, et al.. (1997). The optimal equilibration time for mouse embryos frozen by vitrification with trehalose. Human Reproduction. 12(6). 1259–1262. 26 indexed citations
10.
Nakahara, Kenji, Hidekazu Saito, Takakazu Saito, et al.. (1997). Incidence of apoptotic bodies in membrana granulosa of the patients participating in an in vitro fertilization program. Fertility and Sterility. 67(2). 302–308. 104 indexed citations
11.
Ohta, Nobuhiko. (1996). Ultrarapid freezing of human embryos by vitrification method-a case of delivery-. Medical Entomology and Zoology. 41. 276–279. 10 indexed citations
12.
Ohta, Nobuhiko, Tsuyoshi Saito, Yoshitaka Hayashi, et al.. (1996). [A case of citrullinemia repeatedly induced by pregnancy].. PubMed. 48(5). 351–4. 5 indexed citations
13.
Inoue, Hiroyoshi, Kozue Kaibara, & Nobuhiko Ohta. (1988). ION TRANSPORT ACROSS CHARGED ULTRAFILTRATION MEMBRANE : AQUEOUS METAL CHLORIDE SOLUTION-SULFONATED POLYSULFONE MEMBRANE SYSTEM. Medical Entomology and Zoology. 16(2). 137–148. 3 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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