Ryo Obata

2.5k total citations · 1 hit paper
117 papers, 1.8k citations indexed

About

Ryo Obata is a scholar working on Ophthalmology, Radiology, Nuclear Medicine and Imaging and Molecular Biology. According to data from OpenAlex, Ryo Obata has authored 117 papers receiving a total of 1.8k indexed citations (citations by other indexed papers that have themselves been cited), including 99 papers in Ophthalmology, 65 papers in Radiology, Nuclear Medicine and Imaging and 31 papers in Molecular Biology. Recurrent topics in Ryo Obata's work include Retinal Diseases and Treatments (82 papers), Glaucoma and retinal disorders (53 papers) and Retinal Imaging and Analysis (45 papers). Ryo Obata is often cited by papers focused on Retinal Diseases and Treatments (82 papers), Glaucoma and retinal disorders (53 papers) and Retinal Imaging and Analysis (45 papers). Ryo Obata collaborates with scholars based in Japan, Singapore and United States. Ryo Obata's co-authors include Rikuo Machinami, Yasuo Yanagi, Susumu Kusunoki, Atsuro Chiba, Ichiro Kanazawa, Yasuhiro Tamaki, Hidenori Takahashi, Tatsuya Inoue, Yuji Inoue and Takashi Ueta and has published in prestigious journals such as PLoS ONE, Neurology and Scientific Reports.

In The Last Decade

Ryo Obata

107 papers receiving 1.8k 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.

Serum anti‐GQ _1b IgG antibody is associated with ophthalmoplegia in Miller Fisher syndrome and Guillain‐Barre syndrome

1993 511 citations Ryo Obata et al. profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Ryo Obata Japan	22	1.0k	730	541	459	353	117	1.8k
Seiyo Harino Japan	25	1.6k 1.6×	1.0k 1.4×	231 0.4×	89 0.2×	318 0.9×	63	2.1k
Takeshi Iwase Japan	26	1.3k 1.3×	971 1.3×	158 0.3×	82 0.2×	541 1.5×	110	1.8k
Yuki Morizane Japan	28	1.5k 1.5×	1.2k 1.6×	288 0.5×	76 0.2×	790 2.2×	111	2.3k
Alexandra Lappas Germany	18	920 0.9×	585 0.8×	138 0.3×	49 0.1×	359 1.0×	55	1.2k
Osamu Sawada Japan	23	1.1k 1.1×	821 1.1×	90 0.2×	71 0.2×	415 1.2×	56	1.5k
Sentaro Kusuhara Japan	21	1.1k 1.1×	720 1.0×	174 0.3×	45 0.1×	320 0.9×	96	1.4k
Kameran Lashkari United States	18	822 0.8×	550 0.8×	71 0.1×	79 0.2×	704 2.0×	59	1.6k
Aristomenis Thanos United States	22	949 0.9×	704 1.0×	92 0.2×	58 0.1×	655 1.9×	66	1.7k
Haicheng She China	15	780 0.7×	351 0.5×	71 0.1×	81 0.2×	629 1.8×	38	1.3k
K V Chalam United States	26	1.6k 1.5×	1.1k 1.5×	84 0.2×	34 0.1×	421 1.2×	106	2.0k

Countries citing papers authored by Ryo Obata

Since Specialization

Citations

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

Fields of papers citing papers by Ryo Obata

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Ryo Obata

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

Azuma, Keiko, et al.. (2025). Polarization-sensitive optical coherence tomography features of the repair tissue following retinal pigment epithelium tear and functional correlation with visual outcomes. Retinal Cases & Brief Reports.

Yamanari, Masahiro, et al.. (2025). Quantification of Hyperreflective Foci in Age-related Macular Degeneration by Polarization-Sensitive OCT. Ophthalmology Science. 5(5). 100792–100792. 1 indexed citations

Obata, Ryo, et al.. (2025). Age‐Associated Transcriptomic and Epigenetic Alterations in Mouse Hippocampus. Aging Cell. 24(11). e70233–e70233.

Sugiyama, Satoshi, et al.. (2025). Short-term changes in retinal pigment epithelium after anti-vascular endothelial growth factor therapy for neovascular age-related macular degeneration evaluated by polarization-sensitive optical coherence tomography. Graefe s Archive for Clinical and Experimental Ophthalmology. 264(1). 129–139.

Azuma, Keiko, et al.. (2024). Association between time to treatment and outcome in branch retinal vein occlusion. International Ophthalmology. 44(1). 353–353. 1 indexed citations

Azuma, Keiko, et al.. (2024). Intravitreal anti-vascular endothelial growth factor and combined photodynamic therapy for pachychoroid neovasculopathy: long-term treatment outcomes. Graefe s Archive for Clinical and Experimental Ophthalmology. 262(6). 1811–1818. 5 indexed citations

Arai, Takahiro, et al.. (2023). Longitudinal anatomical and visual outcome of macular telangiectasia type 2 in Asian patients. Scientific Reports. 13(1). 18954–18954. 2 indexed citations

Suzuki, Takafumi, Ryo Obata, Tatsuya Inoue, et al.. (2022). Intravenous lipo-prostaglandin E1 administration for patients with acute central retinal artery occlusion. BMJ Open Ophthalmology. 7(1). e001014–e001014. 6 indexed citations

Suzuki, Takafumi, Tatsuya Inoue, Nozomi Igarashi, et al.. (2021). Association between serum soluble fms-like tyrosine kinase-1 and the central choroidal thickness during pregnancy: a prospective study. BMJ Open Ophthalmology. 6(1). e000888–e000888. 2 indexed citations

10.

Obata, Ryo, Tatsuya Inoue, Ryo Asaoka, et al.. (2021). Visual outcomes and prognostic factors of vitrectomy for lamellar macular holes and epiretinal membrane foveoschisis. PLoS ONE. 16(2). e0247509–e0247509. 16 indexed citations

11.

Nakahara, Ken‐ichi, Ryo Asaoka, Masaki Tanito, et al.. (2021). Deep learning-assisted (automatic) diagnosis of glaucoma using a smartphone. British Journal of Ophthalmology. 106(4). 587–592. 20 indexed citations

12.

Minami, Takahiro, Masahiro Yamanari, Satoshi Sugiyama, et al.. (2019). Conventional OCT artifacts in the human sclera revealed by polarization-sensitive OCT. Investigative Ophthalmology & Visual Science. 60(9). 1591–1591. 1 indexed citations

13.

Azuma, Keiko, et al.. (2019). Association between visual function and the integrity of residual ellipsoid zone in resolved central serous chorioretinopathy. Scientific Reports. 9(1). 12433–12433. 23 indexed citations

14.

Murata, Hiroshi, et al.. (2017). The relationship between the retinal structure and visual field measured with the microperimetry: MP-3, in patients with retinitis pigmentosa.. Investigative Ophthalmology & Visual Science. 58(8). 3242–3242. 1 indexed citations

15.

Hashimoto, Yohei, Mieko Yanagisawa, Hiroshi Murata, et al.. (2017). The structure-function relationship measured with optical coherence tomography and a microperimeter with auto-tracking: the MP-3, in patients with retinitis pigmentosa. Scientific Reports. 7(1). 15766–15766. 24 indexed citations

16.

Azuma, Keiko, Ryo Obata, Yoko Nomura, et al.. (2016). ANGIOGRAPHIC FINDINGS OF RANIBIZUMAB-RESISTANT POLYPOIDAL CHOROIDAL VASCULOPATHY AFTER SWITCHING TO A TREAT-AND-EXTEND REGIMEN WITH INTRAVITREAL AFLIBERCEPT. Retina. 36(11). 2158–2165. 14 indexed citations

17.

Obata, Ryo, et al.. (2014). Obscuration of the inner choroidal layer in central serous chorioretinopathy. Investigative Ophthalmology & Visual Science. 55(13). 6388–6388. 1 indexed citations

18.

Obata, Ryo, et al.. (2007). Relationship between Intensity of Reflected Light and Temperature Increase: Assessment of Fundus Pigmentation for Transpupillary Thermotherapy. Japanese Journal of Ophthalmology. 51(6). 462–469. 3 indexed citations

19.

Takahashi, Hajime, Ryo Obata, Yasuo Yanagi, et al.. (2006). Influence of Insulin Receptor Substrate–2–Knockout on the Activity of Experimental Choroidal Neovascular in Mice Model. Investigative Ophthalmology & Visual Science. 47(13). 2595–2595. 1 indexed citations

20.

Takahashi, Hidenori, Ryo Obata, & Yasuhiro Tamaki. (2006). A Novel Vascular Endothelial Growth Factor Receptor 2 Inhibitor, SU11248, Suppresses Choroidal Neovascularization In Vivo. Journal of Ocular Pharmacology and Therapeutics. 22(4). 213–218. 39 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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