K. Tobita

6.1k total citations · 1 hit paper
236 papers, 4.0k citations indexed

About

K. Tobita is a scholar working on Nuclear and High Energy Physics, Materials Chemistry and Aerospace Engineering. According to data from OpenAlex, K. Tobita has authored 236 papers receiving a total of 4.0k indexed citations (citations by other indexed papers that have themselves been cited), including 172 papers in Nuclear and High Energy Physics, 146 papers in Materials Chemistry and 99 papers in Aerospace Engineering. Recurrent topics in K. Tobita's work include Magnetic confinement fusion research (172 papers), Fusion materials and technologies (141 papers) and Superconducting Materials and Applications (61 papers). K. Tobita is often cited by papers focused on Magnetic confinement fusion research (172 papers), Fusion materials and technologies (141 papers) and Superconducting Materials and Applications (61 papers). K. Tobita collaborates with scholars based in Japan, United States and Russia. K. Tobita's co-authors include Y. Kusama, Hiroyasu Utoh, N. Asakura, Youji Someya, Y. Sakamoto, T. Nishitani, Masahiro Nemoto, T. Ozeki, Ryoji Hiwatari and R. Nazikian and has published in prestigious journals such as Physical Review Letters, SHILAP Revista de lepidopterología and Nature Energy.

In The Last Decade

K. Tobita

223 papers receiving 3.8k citations

Hit Papers

Chapter 5: Physics of ene... 2007 2026 2013 2019 2007 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. Chapter 5: Physics of energetic ions
    2007 452 citations K. Tobita et al. Nuclear Fusion profile →

Peers — A (Enhanced Table)

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

Name h Career Trend Papers Cites
K. Tobita Japan 34 2.7k 2.2k 1.2k 1.0k 836 236 4.0k
O. Motojima Japan 26 2.9k 1.1× 1.7k 0.8× 1.2k 0.9× 935 0.9× 1.4k 1.7× 394 4.0k
Y. Sakamoto Japan 30 2.8k 1.0× 1.5k 0.7× 825 0.7× 1.3k 1.3× 1.0k 1.2× 174 3.2k
S. Masuzaki Japan 30 2.6k 1.0× 2.3k 1.0× 609 0.5× 709 0.7× 689 0.8× 398 3.8k
Liqun Hu China 23 1.8k 0.7× 1.1k 0.5× 606 0.5× 690 0.7× 503 0.6× 305 2.7k
R. Sakamoto Japan 24 1.5k 0.6× 1.5k 0.7× 459 0.4× 341 0.3× 523 0.6× 240 2.7k
Xiang Gao China 24 2.0k 0.8× 987 0.4× 764 0.6× 733 0.7× 872 1.0× 373 2.9k
Masashi Shimada United States 29 1.2k 0.5× 2.1k 1.0× 361 0.3× 347 0.3× 341 0.4× 151 3.1k
A. Sagara Japan 31 1.7k 0.6× 3.3k 1.5× 1.2k 0.9× 170 0.2× 1.2k 1.5× 427 4.8k
G. Van Oost Belgium 36 2.4k 0.9× 1.8k 0.8× 673 0.5× 1.1k 1.1× 524 0.6× 237 4.0k
C. Grisolia France 28 1.3k 0.5× 2.7k 1.2× 460 0.4× 210 0.2× 348 0.4× 204 3.8k

Countries citing papers authored by K. Tobita

Since Specialization
Citations

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

Fields of papers citing papers by K. Tobita

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of K. Tobita

This figure shows the co-authorship network connecting the top 25 collaborators of K. Tobita. A scholar is included among the top collaborators of K. Tobita 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 K. Tobita. K. Tobita 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.
Ejiri, A., Y. Takase, N. Ashikawa, et al.. (2025). Optimization of design point for a fusion energy systems integration test facility FAST. Plasma Physics and Controlled Fusion. 67(7). 75002–75002. 1 indexed citations
2.
Oishi, T., I. Murakami, Daiji Kato, et al.. (2025). Evaluation of Spatial Profile of Local Emissions from W17+–W23+ Unresolved Transition Array Spectra. Atoms. 13(2). 21–21.
3.
Oishi, T., et al.. (2025). Contribution of Hydrogen Molecular Activated Recombination to Plasma Particle Loss in DT-ALPHA. Plasma and Fusion Research. 20(0). n/a–n/a.
4.
Oishi, T., S. Morita, Daiji Kato, et al.. (2024). Observation of tungsten emission spectra up to W46+ ions in the Large Helical Device and contribution to the study of high-Z impurity transport in fusion plasmas. Nuclear Fusion. 64(10). 106011–106011. 4 indexed citations
5.
Oishi, T., I. Murakami, Daiji Kato, et al.. (2024). Observation and Identification of W<sup>19+</sup>-W<sup>23+</sup> Spectra in the EUV Wavelength Region in the Vicinity of 200Å. Plasma and Fusion Research. 19(0). 1402022–1402022. 3 indexed citations
6.
Takahashi, Hiroyuki, K. Tobita, K. Nagasaki, et al.. (2024). Systematic numerical analysis of ECCD exploring injection conditions with high CD efficiency and current profile controllability in JA DEMO. Fusion Engineering and Design. 203. 114460–114460. 1 indexed citations
7.
Oishi, T., I. Murakami, Daiji Kato, et al.. (2024). Collisional-Radiative modeling of unresolved transition array spectra near 200 Å from W17+-W25+ emissions for diagnostics of ITER edge plasma. Nuclear Materials and Energy. 41. 101740–101740. 1 indexed citations
8.
Matsuura, Hideaki, Kazunari Katayama, Teppei Otsuka, et al.. (2023). T production using a high-temperature gas-cooled reactor for the DEMO fusion reactor: Li rod structure for the initial irradiation test. Fusion Engineering and Design. 197. 114054–114054.
9.
Utoh, Hiroyasu, G. Matsunaga, Ryoji Hiwatari, Y. Sakamoto, & K. Tobita. (2020). Estimation of magnetic error field with alleviating fabrication tolerance of large superconducting magnets on JA DEMO reactor. Fusion Engineering and Design. 161. 111900–111900. 3 indexed citations
10.
Hiwatari, Ryoji, Kazunari Katayama, Makoto Nakamura, et al.. (2019). Development of plant concept related to tritium handling in the water-cooling system for JA DEMO. Fusion Engineering and Design. 143. 259–266. 3 indexed citations
11.
Utoh, Hiroyasu, Satoshi Kakudate, Ryoji Hiwatari, et al.. (2019). Progress on reliability of remote maintenance concept for JA DEMO. Fusion Engineering and Design. 146. 1583–1586. 1 indexed citations
12.
Asakura, N., K. Hoshino, Hiroyasu Utoh, et al.. (2018). Plasma exhaust and divertor studies in Japan and Europe broader approach, DEMO design activity. Fusion Engineering and Design. 136. 1214–1220. 17 indexed citations
13.
Utoh, Hiroyasu, N. Asakura, Y. Sakamoto, et al.. (2018). Studies of the plasma vertical instability and its stabilized concepts in JA and EU broader approach, DEMO design activity. Fusion Engineering and Design. 136. 874–877. 4 indexed citations
14.
Terada, Yusuke, et al.. (2017). AN ESTIMATION METHOD OF PORE WATER PRESSURE USING FIELD MONITORING DATA AND TANK MODEL REGARDING SURFACE FAILURE. Journal of Japan Society of Civil Engineers Ser C (Geosphere Engineering). 73(2). 141–156. 1 indexed citations
15.
Kondo, Masatoshi, et al.. (2016). Conceptual Design of Temporally Storage Area in Hot Cell for Fusion DEMO Reactor. Plasma and Fusion Research. 11(0). 2405077–2405077. 1 indexed citations
16.
Zucchetti, Massimo, L. Di Pace, L. El-Guebaly, et al.. (2013). Recent advances in fusion radioactive material studies. Fusion Engineering and Design. 88(6-8). 652–656. 10 indexed citations
17.
Tobita, K., et al.. (2011). Maintenance concept for the SlimCS DEMO reactor. Fusion Engineering and Design. 86(9-11). 2730–2734. 14 indexed citations
18.
lt, et al.. (2010). Numerical Simulation Analysis for the Divertor Plate of DEMO Reactor. Plasma and Fusion Research. 9. 197–201. 6 indexed citations
19.
Masaki, K., K. Sugiyama, T. Tanabe, et al.. (2003). Tritium Distribution in the First Wall of JT-60U. Transactions of the Atomic Energy Society of Japan. 2(2). 130–139. 1 indexed citations
20.
Tobita, K. & Ryoji Hiwatari. (2002). Expected Effect of Fusion Reactor on Global Environment Research Aimed at Reducing Radioactive Waste.. Journal of Plasma and Fusion Research. 78(11). 1179–1185.

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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