Kotaro Higashi

2.8k total citations · 1 hit paper
84 papers, 2.3k citations indexed

About

Kotaro Higashi is a scholar working on Electrical and Electronic Engineering, Renewable Energy, Sustainability and the Environment and Materials Chemistry. According to data from OpenAlex, Kotaro Higashi has authored 84 papers receiving a total of 2.3k indexed citations (citations by other indexed papers that have themselves been cited), including 49 papers in Electrical and Electronic Engineering, 45 papers in Renewable Energy, Sustainability and the Environment and 29 papers in Materials Chemistry. Recurrent topics in Kotaro Higashi's work include Electrocatalysts for Energy Conversion (44 papers), Fuel Cells and Related Materials (38 papers) and Electrochemical Analysis and Applications (14 papers). Kotaro Higashi is often cited by papers focused on Electrocatalysts for Energy Conversion (44 papers), Fuel Cells and Related Materials (38 papers) and Electrochemical Analysis and Applications (14 papers). Kotaro Higashi collaborates with scholars based in Japan, United States and China. Kotaro Higashi's co-authors include Hisao Tonami, Takuma Kaneko, Yasuhiro Iwasawa, Oki Sekizawa, Tomoya Uruga, Shinobu Takao, Manabu Oguchi, Gabor Samjeské, Tomohiro Sakata and Tomoya Uruga and has published in prestigious journals such as Science, Journal of the American Chemical Society and Angewandte Chemie International Edition.

In The Last Decade

Kotaro Higashi

82 papers receiving 2.2k citations

Hit Papers

align trajectories sort by overperformance

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.

Atomically dispersed hexavalent iridium oxide from MnO ₂ reduction for oxygen evolution catalysis

2024 243 citations Ailong Li, Shuang Kong et al. Science profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Kotaro Higashi Japan	24	1.0k	896	570	500	390	84	2.3k
Jan Plutnar Czechia	26	255 0.2×	363 0.4×	701 1.2×	316 0.6×	94 0.2×	60	1.8k
Gang Ho Lee South Korea	34	341 0.3×	459 0.5×	2.6k 4.6×	705 1.4×	71 0.2×	157	4.3k
J.-M. Léger France	28	1.8k 1.7×	1.4k 1.6×	766 1.3×	47 0.1×	64 0.2×	61	3.0k
Norbert Waldöfner Germany	15	257 0.3×	168 0.2×	490 0.9×	162 0.3×	159 0.4×	22	2.2k
Zhenrong Zhang China	26	940 0.9×	482 0.5×	1.6k 2.8×	56 0.1×	220 0.6×	116	2.5k
S. Warren United Kingdom	18	240 0.2×	245 0.3×	484 0.8×	250 0.5×	220 0.6×	46	1.2k
Noah J. J. Johnson Canada	22	517 0.5×	818 0.9×	2.3k 4.0×	123 0.2×	70 0.2×	29	2.9k
Yoann Lalatonne France	31	422 0.4×	245 0.3×	1.1k 2.0×	137 0.3×	85 0.2×	89	3.0k
Myoung Hwan Oh South Korea	17	487 0.5×	847 0.9×	1.2k 2.0×	72 0.1×	36 0.1×	28	2.1k
Xiaoxia Wang China	27	740 0.7×	945 1.1×	1.8k 3.2×	109 0.2×	46 0.1×	74	3.2k

Countries citing papers authored by Kotaro Higashi

Since Specialization

Citations

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

Fields of papers citing papers by Kotaro Higashi

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Kotaro Higashi

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

Yamazaki, Takahiro, Yoshinori Kotani, Takuo Ohkochi, et al.. (2025). Uncovering the origin of magnetic moment enhancement in Fe–Co–Ir alloys via high-throughput XMCD. Physical Review Materials. 9(3).

Li, Ailong, Shuang Kong, Kiyohiro Adachi, et al.. (2024). Atomically dispersed hexavalent iridium oxide from MnO ₂ reduction for oxygen evolution catalysis. Science. 384(6696). 666–670. 243 indexed citations breakdown →

Kikkawa, Soichi, Sayaka Uchida, Junya Ohyama, et al.. (2024). In situ QXAFS study of CO and H₂ adsorption on Pt in [PtAu₈(PPh₃)₈]-H[PMo₁₂O₄₀] solid. Nanoscale. 17(5). 2480–2487. 2 indexed citations

Dong, Kaiyue, Bing Hu, Keiko Miyabayashi, et al.. (2024). <i>In situ</i> Study on Structure of a Diluted Pt/HOPG Model Catalyst System Prepared by the Two-phase Liquid Reduction Method Using a Novel BCLA/HERFD+BI-XAFS Method. e-Journal of Surface Science and Nanotechnology. 22(2). 129–137.

Kikkawa, Soichi, Naomi Kawamura, Kotaro Higashi, et al.. (2024). CO₂ Activation on Lindqvist-Type Polyoxotantalate: Structural Analysis by In Situ HERFD-XANES. The Journal of Physical Chemistry C. 128(7). 2953–2958. 3 indexed citations

Ohyama, Junya, Yasushi Iwata, Hiroshi Yoshida, et al.. (2024). Structural Effects of FeN₄ Active Sites Surrounded by Fourteen-Membered Ring Ligands on Oxygen Reduction Reaction Activity and Durability. ACS Catalysis. 14(10). 7416–7425. 7 indexed citations

Yamamoto, Takafumi, Shogo Kawaguchi, Naoki Tsunoda, et al.. (2023). Emergence of Dynamically‐Disordered Phases During Fast Oxygen Deintercalation Reaction of Layered Perovskite. Advanced Science. 10(19). e2301876–e2301876. 5 indexed citations

Hu, Bing, B.G. Bharate, Juan D. Jiménez, et al.. (2022). Abnormal Metal Bond Distances in PtAu Alloy Nanoparticles: In Situ Back-Illumination XAFS Investigations of the Structure of PtAu Nanoparticles on a Flat HOPG Substrate Prepared by Arc Plasma Deposition. The Journal of Physical Chemistry C. 126(2). 1006–1016. 6 indexed citations

Akiyama, Daisuke, Yuta Kumagai, Kotaro Higashi, et al.. (2022). Application of High-Energy-Resolution X-ray Absorption Spectroscopy at the U L₃-Edge to Assess the U(V) Electronic Structure in FeUO₄. Inorganic Chemistry. 61(50). 20206–20210. 5 indexed citations

10.

Nabae, Yuta, S. Nagata, Tsutomu Aoki, et al.. (2021). In Situ X-ray Absorption Spectroscopy to Monitor the Degradation of Fe/N/C Cathode Catalyst in Proton Exchange Membrane Fuel Cells. Journal of The Electrochemical Society. 168(1). 14513–14513. 17 indexed citations

11.

Kato, Masaru, Yuta Kato, Kotaro Higashi, et al.. (2021). Structural Transformation of Pt–Ni Nanowires as Oxygen Reduction Electrocatalysts to Branched Nanostructures during Potential Cycles. ACS Catalysis. 12(1). 259–264. 18 indexed citations

12.

Inoue, Hideo, Yuya Hasegawa, Hideo Daimon, et al.. (2020). Electrochemical Properties and Single Cell Performance of Pd Core-Pt Shell Structured Catalyst Synthesized by a Simple Direct Displacement Reaction. Journal of The Electrochemical Society. 167(4). 44513–44513. 18 indexed citations

13.

Ishikawa, Fumitaro, et al.. (2018). Annealing induced atomic rearrangements on (Ga,In) (N,As) probed by hard X-ray photoelectron spectroscopy and X-ray absorption fine structure. Scientific Reports. 8(1). 5962–5962. 6 indexed citations

14.

Zhao, Xiao, Shinobu Takao, Kotaro Higashi, et al.. (2017). Simultaneous Improvements in Performance and Durability of an Octahedral PtNi_x/C Electrocatalyst for Next-Generation Fuel Cells by Continuous, Compressive, and Concave Pt Skin Layers. ACS Catalysis. 7(7). 4642–4654. 71 indexed citations

15.

Matsui, H., Nozomu Ishiguro, Tomoya Uruga, et al.. (2017). Operando 3D Visualization of Migration and Degradation of a Platinum Cathode Catalyst in a Polymer Electrolyte Fuel Cell. Angewandte Chemie. 129(32). 9499–9503. 6 indexed citations

16.

Takao, Shinobu, Oki Sekizawa, Shin‐ichi Nagamatsu, et al.. (2014). Mapping Platinum Species in Polymer Electrolyte Fuel Cells by Spatially Resolved XAFS Techniques. Angewandte Chemie International Edition. 53(51). 14110–14114. 36 indexed citations

17.

Higashi, Kotaro, Kenji Shinohara, Hirofumi Takikawa, et al.. (2008). Dispersion of Pt/Ru catalyst onto arc-soot and its performance evaluation as DMFC electrode. Chemical Engineering Journal. 143(1-3). 225–229. 12 indexed citations

18.

Yokota, Hajime, et al.. (2007). Lactate, choline, and creatine levels measured by vitro ¹H‐MRS as prognostic parameters in patients with non‐small‐cell lung cancer. Journal of Magnetic Resonance Imaging. 25(5). 992–999. 56 indexed citations

19.

Guo, Jianfei, Kotaro Higashi, Hajime Yokota, et al.. (2004). In vitro proton magnetic resonance spectroscopic lactate and choline measurements, 18F-FDG uptake, and prognosis in patients with lung adenocarcinoma.. PubMed. 45(8). 1334–9. 20 indexed citations

20.

Higashi, Kotaro, et al.. (1992). [Relationship between Ga-67 uptake and radiotherapeutic response of primary lung cancer (squamous cell carcinoma)].. PubMed. 29(1). 9–15. 1 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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