Koujiro Tohyama

7.7k total citations · 2 hit papers
81 papers, 5.9k citations indexed

About

Koujiro Tohyama is a scholar working on Cellular and Molecular Neuroscience, Molecular Biology and Cell Biology. According to data from OpenAlex, Koujiro Tohyama has authored 81 papers receiving a total of 5.9k indexed citations (citations by other indexed papers that have themselves been cited), including 41 papers in Cellular and Molecular Neuroscience, 30 papers in Molecular Biology and 17 papers in Cell Biology. Recurrent topics in Koujiro Tohyama's work include Nerve injury and regeneration (24 papers), Neurogenesis and neuroplasticity mechanisms (17 papers) and Neuroscience and Neuropharmacology Research (12 papers). Koujiro Tohyama is often cited by papers focused on Nerve injury and regeneration (24 papers), Neurogenesis and neuroplasticity mechanisms (17 papers) and Neuroscience and Neuropharmacology Research (12 papers). Koujiro Tohyama collaborates with scholars based in Japan, United States and United Kingdom. Koujiro Tohyama's co-authors include Chizuka Idé, William D. Richardson, David Attwell, Makoto Sasaki, Huiliang Li, David Ohayon, Ben Emery, Ian A. McKenzie, Joana Paes de Faria and Lee Cossell and has published in prestigious journals such as Science, Proceedings of the National Academy of Sciences and Journal of Biological Chemistry.

In The Last Decade

Koujiro Tohyama

80 papers receiving 5.8k 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.

Motor skill learning requires active central myelination

2014 818 citations Koujiro Tohyama et al. profile →
Oligodendrocyte Dynamics in the Healthy Adult CNS: Evidence for Myelin Remodeling

2013 658 citations Lee Cossell, David Attwell et al. profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Koujiro Tohyama Japan	34	2.6k	1.7k	1.5k	1.2k	1.1k	81	5.9k
Victor L. Friedrich United States	46	1.6k 0.6×	2.8k 1.7×	1.3k 0.8×	1.1k 0.9×	940 0.9×	109	6.6k
Martin Kerschensteiner Germany	42	3.0k 1.2×	2.3k 1.4×	2.1k 1.3×	1.1k 0.9×	2.9k 2.7×	88	8.9k
Matteo Caleo Italy	42	2.4k 0.9×	1.8k 1.0×	836 0.5×	1.4k 1.1×	1.0k 1.0×	141	6.3k
Grahame J. Kidd United States	45	2.2k 0.9×	3.1k 1.8×	1.9k 1.2×	936 0.8×	3.1k 3.0×	93	8.9k
Sachio Takashima Japan	47	1.3k 0.5×	2.2k 1.3×	572 0.4×	811 0.7×	498 0.5×	328	8.3k
Thomas Misgeld Germany	44	3.3k 1.3×	3.1k 1.8×	1.7k 1.1×	1.0k 0.8×	2.1k 2.0×	96	8.2k
Tamir Ben‐Hur Israel	44	1.9k 0.7×	3.6k 2.1×	2.7k 1.8×	1.3k 1.0×	1.8k 1.7×	182	9.4k
Matthias Klugmann Australia	43	3.3k 1.3×	3.6k 2.1×	1.1k 0.7×	465 0.4×	1.0k 1.0×	99	7.4k
Henry deF. Webster United States	32	2.5k 1.0×	2.0k 1.1×	1.1k 0.7×	549 0.4×	860 0.8×	64	5.3k
Stephen P. Squinto United States	28	4.4k 1.7×	2.7k 1.6×	2.1k 1.4×	626 0.5×	408 0.4×	44	7.3k

Countries citing papers authored by Koujiro Tohyama

Since Specialization

Citations

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

Fields of papers citing papers by Koujiro Tohyama

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Koujiro Tohyama

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

All Works

Sort: Min cites: Since: Top N: Style:

20 of 20 papers shown

Arancibia‐Cárcamo, I. Lorena, Marc C Ford, Lee Cossell, et al.. (2017). Node of Ranvier length as a potential regulator of myelinated axon conduction speed. eLife. 6. 204 indexed citations

Watanabe, Shun, Shogo Endo, Hideyoshi Higashi, et al.. (2010). Glycosphingolipid synthesis in cerebellar Purkinje neurons: Roles in myelin formation and axonal homeostasis. Glia. 58(10). 1197–1207. 35 indexed citations

Satoh, Takumi, Nobuhiko Harada, Tomonori Hosoya, et al.. (2009). Keap1/Nrf2 system regulates neuronal survival as revealed through study of keap1 gene-knockout mice. Biochemical and Biophysical Research Communications. 380(2). 298–302. 48 indexed citations

Yoshikawa, Fumio, Yumi Sato, Koujiro Tohyama, et al.. (2008). Opalin, a Transmembrane Sialylglycoprotein Located in the Central Nervous System Myelin Paranodal Loop Membrane. Journal of Biological Chemistry. 283(30). 20830–20840. 45 indexed citations

Obata, Fumiko, Koujiro Tohyama, Adrian D. Bonev, et al.. (2008). Shiga Toxin 2 Affects the Central Nervous System through Receptor Globotriaosylceramide Localized to Neurons. The Journal of Infectious Diseases. 198(9). 1398–1406. 78 indexed citations

Susuki, Keiichiro, Hiroko Baba, Koujiro Tohyama, et al.. (2007). Gangliosides contribute to stability of paranodal junctions and ion channel clusters in myelinated nerve fibers. Glia. 55(7). 746–757. 166 indexed citations

Susuki, Keiichiro, Matthew N. Rasband, Koujiro Tohyama, et al.. (2007). Anti-GM1 Antibodies Cause Complement-Mediated Disruption of Sodium Channel Clusters in Peripheral Motor Nerve Fibers. Journal of Neuroscience. 27(15). 3956–3967. 285 indexed citations

Tohyama, Koujiro, et al.. (2007). Regulatory expression of Neurensin-1 in the spinal motor neurons after mouse sciatic nerve injury. Neuroscience Letters. 421(2). 152–157. 14 indexed citations

Shibata, Eri, Makoto Sasaki, Koujiro Tohyama, et al.. (2006). Age-related Changes in Locus Ceruleus on Neuromelanin Magnetic Resonance Imaging at 3 Tesla. Magnetic Resonance in Medical Sciences. 5(4). 197–200. 129 indexed citations

10.

Nakatomi, Reiko, et al.. (2005). Cryo-SEM and subsequent TEM examinations of identical neural tissue specimen. Brain Research Protocols. 14(2). 100–106. 4 indexed citations

11.

Nakamura, Michiko, et al.. (2004). Morphological Variations in Brachial Plexus of Beagle Dogs: Evaluation of Utility as Sources of Allogeneic Nerve Grafts. Journal of Veterinary Medical Science. 66(7). 767–772. 4 indexed citations

12.

Sasaki, Makoto, Koujiro Tohyama, Satoru Matsunaga, et al.. (2004). MRI identification of dorsal hippocampus homologue in human brain. Neuroreport. 15(14). 2173–2176. 21 indexed citations

13.

Sasaki, Makoto, et al.. (2003). The substantia nigra in Parkinson disease: proton density-weighted spin-echo and fast short inversion time inversion-recovery MR findings.. PubMed. 23(10). 1747–56. 113 indexed citations

14.

Bae, Chang-Hyu & Koujiro Tohyama. (2001). Efficient Plant Regeneration Using Mature Seed-Derived Callus in Zoysiagrass (Zoysia japonica Steud.). 6 indexed citations

15.

Sapp, Ellen, Kimberly B. Kegel, Neil Aronin, et al.. (2001). Early and Progressive Accumulation of Reactive Microglia in the Huntington Disease Brain. Journal of Neuropathology & Experimental Neurology. 60(2). 161–172. 411 indexed citations

16.

Hirano, Norio, Koujiro Tohyama, Hideharu Taira, & Tsutomu Hashikawa. (2001). Spread of Hemagglutinating Encephalomyelitis Virus (HEV) in the CNS of Rats Inoculated by Intranasal Route. Advances in experimental medicine and biology. 494. 127–132. 3 indexed citations

17.

Hirano, Norio, et al.. (2001). Infection of Hemagglutinating Encephalomyelitis Virus (HEV) at the Visual Pathways of Rats. Advances in experimental medicine and biology. 494. 149–154.

18.

Hirano, N., et al.. (2001). Susceptibility of Rats of Different Ages to Inoculation with Swine Haemagglutinating Encephalomyelitis Virus (a Coronavirus) by Various Routes. Journal of Comparative Pathology. 125(1). 8–14. 15 indexed citations

19.

Zhang, Yonghui, et al.. (2001). Correlation between Putative Inhibitory Molecules at the Dorsal Root Entry Zone and Failure of Dorsal Root Axonal Regeneration. Molecular and Cellular Neuroscience. 17(3). 444–459. 62 indexed citations

20.

Ohka, Seii, Hiroshi Ohno, Koujiro Tohyama, & Akio Nomoto. (2001). Basolateral Sorting of Human Poliovirus Receptor α Involves an Interaction with the μ1B Subunit of the Clathrin Adaptor Complex in Polarized Epithelial Cells. Biochemical and Biophysical Research Communications. 287(4). 941–948. 34 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.

Explore authors with similar magnitude of impact