Tomohiro Toki

2.7k total citations · 1 hit paper
62 papers, 1.9k citations indexed

About

Tomohiro Toki is a scholar working on Environmental Chemistry, Atmospheric Science and Ecology. According to data from OpenAlex, Tomohiro Toki has authored 62 papers receiving a total of 1.9k indexed citations (citations by other indexed papers that have themselves been cited), including 44 papers in Environmental Chemistry, 24 papers in Atmospheric Science and 17 papers in Ecology. Recurrent topics in Tomohiro Toki's work include Methane Hydrates and Related Phenomena (43 papers), Geology and Paleoclimatology Research (24 papers) and Hydrocarbon exploration and reservoir analysis (15 papers). Tomohiro Toki is often cited by papers focused on Methane Hydrates and Related Phenomena (43 papers), Geology and Paleoclimatology Research (24 papers) and Hydrocarbon exploration and reservoir analysis (15 papers). Tomohiro Toki collaborates with scholars based in Japan, United States and Taiwan. Tomohiro Toki's co-authors include Ken Takai, Urumu Tsunogai, Takuro Nunoura, Satoshi Nakagawa, Kentaro Nakamura, Junichi Miyazaki, Koki Horikoshi, Masayuki Miyazaki, Hisako Hirayama and Juichiro Ashi and has published in prestigious journals such as Proceedings of the National Academy of Sciences, Journal of Geophysical Research Atmospheres and Geochimica et Cosmochimica Acta.

In The Last Decade

Tomohiro Toki

60 papers receiving 1.8k citations

Hit Papers

Cell proliferation at 122°C and isotopically heavy CH 4 p... 2008 2026 2014 2020 2008 100 200 300 400 500
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. Cell proliferation at 122°C and isotopically heavy CH 4 production by a hyperthermophilic methanogen under high-pressure cultivation
    2008 543 citations Ken Takai, Kentaro Nakamura et al. Proceedings of the National Academy of Sciences profile →

Peers — A (Enhanced Table)

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

Name h Career Trend Papers Cites
Tomohiro Toki Japan 24 901 655 363 355 354 62 1.9k
Susan Q. Lang United States 25 904 1.0× 741 1.1× 390 1.1× 355 1.0× 178 0.5× 60 2.1k
Shinsuke Kawagucci Japan 28 701 0.8× 585 0.9× 276 0.8× 392 1.1× 403 1.1× 76 1.9k
Jun-ichiro Ishibashi Japan 24 748 0.8× 757 1.2× 169 0.5× 301 0.8× 361 1.0× 65 1.8k
Huaiyang Zhou China 26 693 0.8× 746 1.1× 230 0.6× 278 0.8× 482 1.4× 109 2.3k
Toshiro Yamanaka Japan 22 664 0.7× 740 1.1× 218 0.6× 529 1.5× 316 0.9× 132 2.0k
Jill M. McDermott United States 17 551 0.6× 441 0.7× 321 0.9× 198 0.6× 230 0.6× 35 1.3k
Markus Bill United States 26 445 0.5× 524 0.8× 226 0.6× 436 1.2× 293 0.8× 70 2.3k
James F. Holden United States 25 579 0.6× 580 0.9× 165 0.5× 216 0.6× 187 0.5× 81 2.0k
Jean‐Pierre Donval France 20 827 0.9× 298 0.5× 509 1.4× 482 1.4× 661 1.9× 52 2.0k
Kirsten S. Habicht Denmark 18 935 1.0× 775 1.2× 276 0.8× 684 1.9× 344 1.0× 19 2.4k

Countries citing papers authored by Tomohiro Toki

Since Specialization
Citations

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

Fields of papers citing papers by Tomohiro Toki

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Tomohiro Toki

This figure shows the co-authorship network connecting the top 25 collaborators of Tomohiro Toki. A scholar is included among the top collaborators of Tomohiro Toki 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 Tomohiro Toki. Tomohiro Toki 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.
2.
Toki, Tomohiro, et al.. (2022). Sr isotopic ratios of hydrothermal fluids from the Okinawa Trough and the implications of variation in fluid–sediment interactions. Progress in Earth and Planetary Science. 9(1). 6 indexed citations
3.
4.
Masuda, Harue, et al.. (2019). Vertical profiles of arsenic and arsenic species transformations in deep-sea sediment, Nankai Trough, offshore Japan. Progress in Earth and Planetary Science. 6(1). 7 indexed citations
5.
Sano, Yuji, Takanori Kagoshima, Naoto Takahata, et al.. (2017). Origin of methane-rich natural gas at the West Pacific convergent plate boundary. Scientific Reports. 7(1). 15646–15646. 33 indexed citations
6.
Toki, Tomohiro, Masataka Kinoshita, Sumito Morita, et al.. (2016). The vertical chloride ion profile at the IODP Site C0002, Kumano Basin, off coast of Japan. Tectonophysics. 710-711. 88–96. 9 indexed citations
7.
Toki, Tomohiro, et al.. (2016). Investigation of distribution of mud volcanoes in East China Sea using distribution of methane concentrations in seawater. Japan Geoscience Union. 1 indexed citations
8.
Toki, Tomohiro, et al.. (2015). Improved Method for Seawater Lithium Isotopic Ratio Determination Using MC-ICP-MS. University of the Ryukyus academic repository (University of the Ryukyus). 69(5). 326–331. 1 indexed citations
9.
Mino, Sayaka, Hiroko Makita, Tomohiro Toki, et al.. (2013). Biogeography of Persephonella in deep-sea hydrothermal vents of the Western Pacific. Frontiers in Microbiology. 4. 107–107. 24 indexed citations
10.
Toki, Tomohiro, Ryuichi Shinjo, J. Ishibashi, et al.. (2012). Geochemistry of hydrothermal fluids at the Hatoma Knoll in Okinawa Trough. AGU Fall Meeting Abstracts. 2012. 1 indexed citations
11.
Kato, Shingo, Kentaro Nakamura, Tomohiro Toki, et al.. (2012). Iron-Based Microbial Ecosystem on and Below the Seafloor: A Case Study of Hydrothermal Fields of the Southern Mariana Trough. Frontiers in Microbiology. 3. 89–89. 28 indexed citations
12.
Kato, Shingo, Katsunori Yanagawa, Michinari Sunamura, et al.. (2009). Abundance of Zetaproteobacteria within crustal fluids in back‐arc hydrothermal fields of the Southern Mariana Trough. Environmental Microbiology. 11(12). 3210–3222. 61 indexed citations
13.
Takai, Ken, Kentaro Nakamura, Tomohiro Toki, et al.. (2008). Cell proliferation at 122°C and isotopically heavy CH 4 production by a hyperthermophilic methanogen under high-pressure cultivation. Proceedings of the National Academy of Sciences. 105(31). 10949–10954. 543 indexed citations breakdown →
14.
Machiyama, Hideaki, Saulwood Lin, K. Fujikura, et al.. (2007). Discovery of "Hydrothermal" Chemosynthetic Community in a Cold Seep Environment, Formosa Ridge: Seafloor Observation Results from First ROV Cruise, off Southwestern Taiwan. AGUFM. 2007. 8 indexed citations
15.
16.
Nunoura, Takuro, Hanako Oida, Tomohiro Toki, et al.. (2006). Quantification of mcrA by quantitative fluorescent PCR in sediments from methane seep of the Nankai Trough. FEMS Microbiology Ecology. 57(1). 149–157. 55 indexed citations
17.
Yamanaka, Toshiro, Hiroyuki Kimura, Akinari Hirota, et al.. (2004). Geochemistry of Hydrothermal Fluids in South Mariana Backarc Spreading Center. AGUFM. 2004. 11 indexed citations
18.
Toki, Tomohiro, Akinari Hirota, Urumu Tsunogai, et al.. (2004). Methane Distribution In Plumes Of The South Mariana Back-arc Spreading Center. AGUFM. 2004. 1 indexed citations
19.
Henry, Pierre, Juichiro Ashi, Urumu Tsunogai, et al.. (2003). Cold seeps and splay faults on Nankai margin. EGS - AGU - EUG Joint Assembly. 10246. 1 indexed citations
20.
Ishibashi, J., Yusuke V. Morimoto, Tomohiro Toki, et al.. (2002). Concentration of Biologically Important Chemical Species in Hydrothermal Fluids from Submarine Arc Volcano Suiyo Seamount. AGU Fall Meeting Abstracts. 2002. 2 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

Breakdown of academic impact, for papers by Susan Q. Lang Breakdown of academic impact, for papers by Shinsuke Kawagucci Breakdown of academic impact, for papers by Jun-ichiro Ishibashi Breakdown of academic impact, for papers by Huaiyang Zhou Breakdown of academic impact, for papers by Toshiro Yamanaka Breakdown of academic impact, for papers by Jill M. McDermott Breakdown of academic impact, for papers by Markus Bill Breakdown of academic impact, for papers by James F. Holden Breakdown of academic impact, for papers by Jean‐Pierre Donval Breakdown of academic impact, for papers by Kirsten S. Habicht
Rankless by CCL
2026