Hisayuki Iwama

1.9k total citations · 1 hit paper
5 papers, 1.6k citations indexed

About

Hisayuki Iwama is a scholar working on Cellular and Molecular Neuroscience, Biochemistry and Molecular Biology. According to data from OpenAlex, Hisayuki Iwama has authored 5 papers receiving a total of 1.6k indexed citations (citations by other indexed papers that have themselves been cited), including 3 papers in Cellular and Molecular Neuroscience, 3 papers in Biochemistry and 2 papers in Molecular Biology. Recurrent topics in Hisayuki Iwama's work include Amino Acid Enzymes and Metabolism (3 papers), Neuroscience and Neuropharmacology Research (3 papers) and Epigenetics and DNA Methylation (2 papers). Hisayuki Iwama is often cited by papers focused on Amino Acid Enzymes and Metabolism (3 papers), Neuroscience and Neuropharmacology Research (3 papers) and Epigenetics and DNA Methylation (2 papers). Hisayuki Iwama collaborates with scholars based in Japan. Hisayuki Iwama's co-authors include Toru Nishikawa, Katsunobu Takahashi, Masahiko Watanabe, Keiji Wada, Seiji Hori, Tateki Kikuchi, Naoya Kawashima, Toshiya Manabe, Misato Takimoto and Keiko Yamada and has published in prestigious journals such as Science, Biochemical and Biophysical Research Communications and Neuroscience Research.

In The Last Decade

Hisayuki Iwama

5 papers receiving 1.6k citations

Hit Papers

Epilepsy and Exacerbation of Brain Injury in Mice Lacking... 1997 2026 2006 2016 1997 400 800 1.2k
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. Epilepsy and Exacerbation of Brain Injury in Mice Lacking the Glutamate Transporter GLT-1
    1997 1.5k citations Kohichi Tanaka, Kei Watase et al. Science profile →

Peers — A (Enhanced Table)

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

Name h Career Trend Papers Cites
Hisayuki Iwama Japan 4 1.3k 739 279 260 249 5 1.6k
Misato Takimoto Japan 12 1.6k 1.2× 1.0k 1.4× 377 1.4× 264 1.0× 274 1.1× 18 2.2k
Norman Nash United States 16 1.4k 1.1× 998 1.4× 241 0.9× 258 1.0× 138 0.6× 24 2.1k
Line M. Levy Norway 15 1.5k 1.2× 961 1.3× 234 0.8× 486 1.9× 180 0.7× 16 2.0k
Georgi Gegelashvili Denmark 19 1.4k 1.1× 811 1.1× 288 1.0× 346 1.3× 99 0.4× 30 1.8k
Marcello Melone Italy 32 1.9k 1.5× 1.0k 1.4× 476 1.7× 239 0.9× 313 1.3× 47 2.5k
Anastassios V. Tzingounis United States 15 1.3k 1.0× 945 1.3× 152 0.5× 137 0.5× 139 0.6× 16 1.6k
Brian Billups United Kingdom 24 1.3k 1.0× 994 1.3× 194 0.7× 216 0.8× 72 0.3× 31 1.9k
Silvia Holmseth Norway 14 762 0.6× 504 0.7× 93 0.3× 224 0.9× 120 0.5× 16 1.1k
Dominique Fage France 21 1.0k 0.8× 780 1.1× 241 0.9× 122 0.5× 232 0.9× 38 1.7k

Countries citing papers authored by Hisayuki Iwama

Since Specialization
Citations

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

Fields of papers citing papers by Hisayuki Iwama

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Hisayuki Iwama

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

All Works

5 of 5 papers shown
1.
Umino, Asami, Sayuri Ishiwata, Hisayuki Iwama, & Toru Nishikawa. (2017). Evidence for Tonic Control by the GABAA Receptor of Extracellular D-Serine Concentrations in the Medial Prefrontal Cortex of Rodents. Frontiers in Molecular Neuroscience. 10. 7 indexed citations
2.
Iwama, Hisayuki, Katsunobu Takahashi, Shigeo Kure, et al.. (1997). Depletion of Cerebral D-Serine in Non-Ketotic Hyperglycinemia: Possible Involvement of Glycine Cleavage System in Control of Endogenous D-Serine. Biochemical and Biophysical Research Communications. 231(3). 793–796. 45 indexed citations
3.
Tanaka, Kohichi, Kei Watase, Toshiya Manabe, et al.. (1997). Epilepsy and Exacerbation of Brain Injury in Mice Lacking the Glutamate Transporter GLT-1. Science. 276(5319). 1699–1702. 1456 indexed citations breakdown →
4.
Tanaka, Kohichi, Kei Watase, Keiji Wada, et al.. (1997). 341 Targeted disruption of the glial glutamate transporter genes. Neuroscience Research. 28. S66–S66. 1 indexed citations
5.

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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Breakdown of academic impact, for papers by Misato Takimoto Breakdown of academic impact, for papers by Norman Nash Breakdown of academic impact, for papers by Line M. Levy Breakdown of academic impact, for papers by Georgi Gegelashvili Breakdown of academic impact, for papers by Marcello Melone Breakdown of academic impact, for papers by Anastassios V. Tzingounis Breakdown of academic impact, for papers by Brian Billups Breakdown of academic impact, for papers by Silvia Holmseth Breakdown of academic impact, for papers by Dominique Fage
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2026