Hirokazu Kojima

53 total papers · 800 total citations
35 papers, 565 citations indexed

About

Hirokazu Kojima is a scholar working on Fluid Flow and Transfer Processes, Organic Chemistry and Computational Mechanics. According to data from OpenAlex, Hirokazu Kojima has authored 35 papers receiving a total of 565 indexed citations (citations by other indexed papers that have themselves been cited), including 12 papers in Fluid Flow and Transfer Processes, 8 papers in Organic Chemistry and 7 papers in Computational Mechanics. Recurrent topics in Hirokazu Kojima's work include Advanced Combustion Engine Technologies (12 papers), Combustion and flame dynamics (6 papers) and Biodiesel Production and Applications (5 papers). Hirokazu Kojima is often cited by papers focused on Advanced Combustion Engine Technologies (12 papers), Combustion and flame dynamics (6 papers) and Biodiesel Production and Applications (5 papers). Hirokazu Kojima collaborates with scholars based in Japan and United Kingdom. Hirokazu Kojima's co-authors include Naoto Todoroki, Kensaku Nagasawa, Ryo Nakajima, Yoshikazu Ito, Toshiaki Matsui, Taku Tsujimura, Makoto Ando, Hidetoshi Sekiguchi, Hideyuki Matsumoto and Hirohide Furutani and has published in prestigious journals such as SHILAP Revista de lepidopterología, International Journal of Hydrogen Energy and Optics Express.

In The Last Decade

Hirokazu Kojima

33 papers receiving 539 citations

Hit Papers

normalize citations (0→100%) normalize lifespan (0→100%) 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 benchmark for papers published in the same subfield and year, or reaches the top citation threshold in at least one of its specific research topics.

Influence of renewable energy power fluctuations on water electrolysis for green hydrogen production

2022 310 citations Hirokazu Kojima, Kensaku Nagasawa et al. International Journal of Hydrogen Energy profile →

Author Peers

Peers are selected by citation overlap in the author's most active subfields. citations · hero ref

Author						Papers	Cites
Hirokazu Kojima	219	211	168	120	77	35	565
Thomas Hammer	224 1.0×	96 0.5×	316 1.9×	87 0.7×	40 0.5×	24	611
Wenzhao Yang	77 0.4×	87 0.4×	106 0.6×	18 0.1×	27 0.4×	33	568
Eric R. Morgan	79 0.4×	146 0.7×	233 1.4×	115 1.0×	15 0.2×	24	581
Qiang Hu	368 1.7×	119 0.6×	373 2.2×	130 1.1×	58 0.8×	50	689
Mohammad Alnajideen	123 0.6×	36 0.2×	159 0.9×	118 1.0×	21 0.3×	24	502
Nicholas Salmon	96 0.4×	160 0.8×	225 1.3×	210 1.8×	23 0.3×	16	572
Peter Lehman	301 1.4×	128 0.6×	48 0.3×	259 2.2×	92 1.2×	26	638
Kiyotaka Goshome	148 0.7×	258 1.2×	380 2.3×	82 0.7×	43 0.6×	24	565
S. Elangovan	230 1.1×	38 0.2×	356 2.1×	121 1.0×	9 0.1×	43	600
Dehai Yu	94 0.4×	83 0.4×	163 1.0×	101 0.8×	17 0.2×	21	523

Countries citing papers authored by Hirokazu Kojima

Since Specialization

Citations

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

Fields of papers citing papers by Hirokazu Kojima

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Hirokazu Kojima

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

All Works

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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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