Kenichi Kojima

4.6k total citations · 1 hit paper
229 papers, 3.5k citations indexed

About

Kenichi Kojima is a scholar working on Materials Chemistry, Condensed Matter Physics and Electronic, Optical and Magnetic Materials. According to data from OpenAlex, Kenichi Kojima has authored 229 papers receiving a total of 3.5k indexed citations (citations by other indexed papers that have themselves been cited), including 139 papers in Materials Chemistry, 33 papers in Condensed Matter Physics and 32 papers in Electronic, Optical and Magnetic Materials. Recurrent topics in Kenichi Kojima's work include Enzyme Structure and Function (44 papers), Rare-earth and actinide compounds (30 papers) and Graphene research and applications (29 papers). Kenichi Kojima is often cited by papers focused on Enzyme Structure and Function (44 papers), Rare-earth and actinide compounds (30 papers) and Graphene research and applications (29 papers). Kenichi Kojima collaborates with scholars based in Japan, United States and India. Kenichi Kojima's co-authors include Masaru Tachibana, Richard C Lewontin, Takashi Uchida, H. Koizumi, H. Kawamoto, Akihiko Yoshimura, H. Nakai, Masaru Tateyama, T. Hihara and Junichi Koseki and has published in prestigious journals such as Proceedings of the National Academy of Sciences, Physical Review Letters and Physical review. B, Condensed matter.

In The Last Decade

Kenichi Kojima

215 papers receiving 3.4k citations

Hit Papers

THE EVOLUTIONARY DYNAMICS... 1960 2026 1982 2004 1960 100 200 300 400
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.

  1. THE EVOLUTIONARY DYNAMICS OF COMPLEX POLYMORPHISMS,,
    1960 459 citations Kenichi Kojima et al. profile →

Author Peers

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

Author Last Decade Papers Cites
Kenichi Kojima 1.7k 603 560 458 442 229 3.5k
Pascale Le Roy 843 0.5× 486 0.8× 1.0k 1.8× 377 0.8× 497 1.1× 182 4.4k
Jeffery L. Yarger 2.4k 1.4× 1.2k 2.0× 203 0.4× 406 0.9× 499 1.1× 146 6.2k
Ralf Schmidt 2.6k 1.5× 1.1k 1.9× 178 0.3× 261 0.6× 1.3k 3.0× 113 5.4k
Vadym Drozd 2.2k 1.3× 488 0.8× 116 0.2× 887 1.9× 1.6k 3.5× 113 5.2k
James L. Harden 1.6k 0.9× 748 1.2× 92 0.2× 223 0.5× 132 0.3× 89 4.0k
Pavel G. Naumov 1.2k 0.7× 461 0.8× 116 0.2× 497 1.1× 988 2.2× 35 3.5k
Taras Palasyuk 1.3k 0.8× 482 0.8× 116 0.2× 1.1k 2.5× 913 2.1× 34 4.4k
Gaurav Arya 1.1k 0.6× 1.8k 3.0× 109 0.2× 395 0.9× 390 0.9× 119 4.9k
Javier Alonso 1.3k 0.7× 498 0.8× 202 0.4× 769 1.7× 546 1.2× 170 5.4k
Peter J. Yunker 1.3k 0.8× 303 0.5× 164 0.3× 454 1.0× 1.4k 3.2× 58 3.6k

Countries citing papers authored by Kenichi Kojima

Since Specialization
Citations

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

Fields of papers citing papers by Kenichi Kojima

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Kenichi Kojima

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

All Works

20 of 20 papers shown
1.
Suzuki, Ryo, et al.. (2023). In Situ Observation of Slight Twisting in Hen Egg-White Lysozyme Crystals during Crystal Growth and Dissolution by Digital X-ray Topography. Crystal Growth & Design. 23(6). 4130–4137. 1 indexed citations
2.
Suzuki, Ryo, et al.. (2023). Unique Mechanical Properties of Gel-Incorporating Protein Crystals. ACS Applied Bio Materials. 6(3). 965–972. 1 indexed citations
3.
Suzuki, Ryo, et al.. (2022). Rocking-curve imaging of high-quality protein crystals by non-dispersive X-ray optics in the double-crystal configuration. Journal of Applied Crystallography. 55(5). 1111–1115. 1 indexed citations
4.
Suzuki, Ryo, et al.. (2022). Existence of twisting in dislocation-free protein single crystals. Proceedings of the National Academy of Sciences. 119(21). e2120846119–e2120846119. 8 indexed citations
5.
Suzuki, Ryo, et al.. (2022). Diffusion Coefficient of Intracrystalline Water in Intrinsic Hen Egg-White Lysozyme Crystals Determined by Confocal Raman Spectroscopy. The Journal of Physical Chemistry B. 126(44). 9000–9007.
6.
Suzuki, Ryo, et al.. (2021). Analysis of slip systems in protein crystals with a triclinic form using a phenomenological macro-bond method. CrystEngComm. 23(20). 3753–3760. 4 indexed citations
7.
Suzuki, Ryo, et al.. (2021). Identification of grown-in dislocations in protein crystals by digital X-ray topography. Journal of Applied Crystallography. 54(1). 163–168. 4 indexed citations
8.
Koizumi, H., Satoshi Uda, Ryo Suzuki, et al.. (2021). Control of strain in subgrains of protein crystals by the introduction of grown-in dislocations. Acta Crystallographica Section D Structural Biology. 77(5). 599–605. 3 indexed citations
9.
Suzuki, Ryo, et al.. (2020). Evaluation of crystal quality of thin protein crystals based on the dynamical theory of X-ray diffraction. IUCrJ. 7(4). 761–766. 9 indexed citations
10.
Suzuki, Akira, et al.. (2019). A STUDY ON ASEISMIC DESIGN METHOD OF THE BRACED EXCAVATION. 75(2). I_41–I_48. 1 indexed citations
11.
Suzuki, Ryo, H. Koizumi, K. Hirano, et al.. (2018). Analysis of oscillatory rocking curve by dynamical diffraction in protein crystals. Proceedings of the National Academy of Sciences. 115(14). 3634–3639. 10 indexed citations
12.
Kojima, Kenichi, et al.. (2016). DEVELOPMENT OF REINFORCED SLOPE STRUCTURES WITH GEOCELL AND REINFORCING BAR. Geosynthetics Engineering Journal. 31(0). 23–23. 1 indexed citations
13.
Kojima, Kenichi, et al.. (2014). FUNDAMENTAL RESEARCH ABOUT SEISMIC BEHAVIOR OF EMBANKMENT AFFECTED BY SEEPAGE WATER. Journal of Japan Society of Civil Engineers Ser C (Geosphere Engineering). 70(1). 135–149. 1 indexed citations
14.
Kojima, Kenichi, et al.. (2013). COMPARISON OF THE STRAIN MEASUREMENT RESULT OF GEOTEXTILE UNDER THE LABORATORY TENSILE TEST AND THE FIELD TENSILE TEST. Geosynthetics Engineering Journal. 28(0). 221–228. 4 indexed citations
15.
Kojima, Kenichi, et al.. (2013). BEHAVIOR OF THE GEOSYNTHETIC-REINFORCED SOIL INTEGRAL BRIDGE CAUSED BY THE CHANGE OF TEMPERATURE. Geosynthetics Engineering Journal. 28(0). 369–374. 3 indexed citations
16.
Kojima, Kenichi, et al.. (2013). SHAKING TABLE TEST OF PILE SLAB TRACK WITH GABION LAID BETWEEN THE HEAD PART OF IMPROVEMENT PILE AND COCRETE SLAB. Geosynthetics Engineering Journal. 28(0). 73–80.
17.
Qiu, Jingwen, Kenichi Kojima, Atsushi Kubo, Mikio Yamashita, & Kimihiko Hirao. (2000). Multiphoton reduction of Sm3+ to Sm2+ in a ZnCl2 based glass. Physics and chemistry of glasses. 41(3). 150–152. 5 indexed citations
18.
Kojima, Kenichi, et al.. (1996). Near ultraviolet upconversion fluorescence and low temperature fluorescence properties in Er3+ doped ZnCl2 based glass. Physics and chemistry of glasses. 37(3). 97–100. 6 indexed citations
19.
Sumino, Kôji & Kenichi Kojima. (1971). Microdynamics of Dislocations in Plastic Deformation of Germanium Crystals. Science Reports of the Research Institutes, Tohoku University, Series A: Physics, Chemistry, and Metallurgy. 23(23). 212–212. 1 indexed citations
20.
Kojima, Kenichi & Kôji Sumino. (1969). Distribution of Dislocations in Germanium Single Crystals during Plastic Deformation. Science Reports of the Research Institutes, Tohoku University, Series A: Physics, Chemistry, and Metallurgy. 21. 203. 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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