Tsutomu Kai

1.6k total citations · 1 hit paper
20 papers, 1.4k citations indexed

About

Tsutomu Kai is a scholar working on Materials Chemistry, Organic Chemistry and Molecular Biology. According to data from OpenAlex, Tsutomu Kai has authored 20 papers receiving a total of 1.4k indexed citations (citations by other indexed papers that have themselves been cited), including 14 papers in Materials Chemistry, 12 papers in Organic Chemistry and 6 papers in Molecular Biology. Recurrent topics in Tsutomu Kai's work include Fullerene Chemistry and Applications (12 papers), Graphene research and applications (7 papers) and Boron and Carbon Nanomaterials Research (7 papers). Tsutomu Kai is often cited by papers focused on Fullerene Chemistry and Applications (12 papers), Graphene research and applications (7 papers) and Boron and Carbon Nanomaterials Research (7 papers). Tsutomu Kai collaborates with scholars based in Japan, Germany and United Kingdom. Tsutomu Kai's co-authors include Hisanori Shinohara, Takuya Yoshida, Masaki Takata, Makoto Sakata, Eiji Nishibori, Chunru Wang, Yuji Kobayashi, Tetsuo Tomiyama, Testuo Tomiyama and Chunru Wang and has published in prestigious journals such as Nature, Journal of Biological Chemistry and Angewandte Chemie International Edition.

In The Last Decade

Tsutomu Kai

19 papers receiving 1.3k citations

Hit Papers

C66 fullerene encaging a scandium dimer 2000 2026 2008 2017 2000 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. C66 fullerene encaging a scandium dimer
    2000 521 citations Chunru Wang, Tsutomu Kai et al. Nature profile →

Peers

Tsutomu Kai
Haruhito Kato Japan
Shunpei Hitosugi Japan
Georg Schick United States
Mihail Bancu United States
Michael Jirásek United Kingdom
Markus Waelchli Japan
Olena Lukoyanova United States
Gunther H. Grube United States
Lorel M. Scriven United Kingdom
Yi-Zhong An United States
Haruhito Kato Japan
Tsutomu Kai
Citations per year, relative to Tsutomu Kai Tsutomu Kai (= 1×) peers Haruhito Kato

Countries citing papers authored by Tsutomu Kai

Since Specialization
Citations

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

Fields of papers citing papers by Tsutomu Kai

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Tsutomu Kai

This figure shows the co-authorship network connecting the top 25 collaborators of Tsutomu Kai. A scholar is included among the top collaborators of Tsutomu Kai 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 Tsutomu Kai. Tsutomu Kai 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.
Sakai, Hiroshi, Iori Sakakibara, Akiyoshi Uezumi, et al.. (2024). Epidermal growth factor receptor contributes to indirect regulation of skeletal muscle mass by androgen. Endocrine Journal. 72(3). 259–272.
2.
Suzuki, Tatsuo, Nobuo Terada, Shigeki Higashiyama, et al.. (2021). Non-microtubule tubulin-based backbone and subordinate components of postsynaptic density lattices. Life Science Alliance. 4(7). e202000945–e202000945. 3 indexed citations
3.
Takahashi, Hirotaka, Chikako Takahashi, Shuhei Yoshida, et al.. (2019). The E3 ubiquitin ligase MIB2 enhances inflammation by degrading the deubiquitinating enzyme CYLD. Journal of Biological Chemistry. 294(38). 14135–14148. 24 indexed citations
4.
Kai, Tsutomu, Susumu Uchiyama, Yoshinori Nishi, Yuji Kobayashi, & Tetsuo Tomiyama. (2010). Thermal effects of added propanol on the helix–coil transition of (Pro-Pro-Gly)10 in D2O solution: An NMR study. Chemical Physics Letters. 491(4-6). 208–213. 1 indexed citations
5.
Kai, Tsutomu, Susumu Uchiyama, Yoshinori Nishi, Yuji Kobayashi, & Tetsuo Tomiyama. (2004). Two States of the Triple Helix in the Thermal Transition of the Collagen Model Peptide (Pro-Pro-Gly)10. Journal of Biomolecular Structure and Dynamics. 22(1). 51–58. 6 indexed citations
6.
Wang, Chunru, P. Georgi, Lothar Dunsch, et al.. (2002). Sc2@C76(C2): a new isomerism in fullerene structure. Current Applied Physics. 2(2). 141–143. 18 indexed citations
7.
8.
Wang, Chunru, Tsutomu Kai, Testuo Tomiyama, et al.. (2001). . Angewandte Chemie. 113(2). 411–413. 1 indexed citations
9.
Wang, Chunru, Tsutomu Kai, Testuo Tomiyama, et al.. (2001). A Scandium Carbide Endohedral Metallofullerene: (Sc2C2)@C84. Angewandte Chemie International Edition. 40(2). 397–399. 242 indexed citations
10.
Wang, Chunru, Tsutomu Kai, Testuo Tomiyama, et al.. (2001). Titelbild. Angewandte Chemie. 113(2). 273–273. 1 indexed citations
11.
Wang, Chunru, Tsutomu Kai, Testuo Tomiyama, et al.. (2001). A Scandium Carbide Endohedral Metallofullerene: (Sc2C2)@C84. Angewandte Chemie International Edition. 40(2). 397–399. 11 indexed citations
12.
Wang, Chunru, Tsutomu Kai, Testuo Tomiyama, et al.. (2001). A Scandium Carbide Endohedral Metallofullerene: (Sc2C2)@C84. Angewandte Chemie. 113(2). 411–413. 58 indexed citations
13.
Wang, Chunru, Tsutomu Kai, Tetsuo Tomiyama, et al.. (2000). C66 fullerene encaging a scandium dimer. Nature. 408(6811). 426–427. 521 indexed citations breakdown →
14.
Inakuma, Masayasu, Etsuji Yamamoto, Tsutomu Kai, et al.. (2000). Structural and Electronic Properties of Isomers of Sc2@C84(I, II, III):13C NMR and IR/Raman Spectroscopic Studies. The Journal of Physical Chemistry B. 104(21). 5072–5077. 54 indexed citations
15.
Wang, Chunru, Toshiki Sugai, Tsutomu Kai, Tetsuo Tomiyama, & Hisanori Shinohara. (2000). ChemInform Abstract: Production and Isolation of an Ellipsoidal C80 Fullerene.. ChemInform. 31(30). 1 indexed citations
16.
Wang, Chunru, Toshiki Sugai, Tsutomu Kai, Tetsuo Tomiyama, & Hisanori Shinohara. (2000). Production and isolation of an ellipsoidal C80 fullerene. Chemical Communications. 557–558. 69 indexed citations
17.
Dennis, T. John S., Tsutomu Kai, Tetsuo Tomiyama, et al.. (1999). Isolation and Characterization by 13C NMR Spectroscopy of [84]Fullerene Minor Isomers. The Journal of Physical Chemistry A. 103(44). 8747–8752. 108 indexed citations
18.
Dennis, T. John S., Tsutomu Kai, Tetsuo Tomiyama, & Hisanori Shinohara. (1998). ChemInform Abstract: Isolation and Characterization of the Two Major Isomers of [84]Fullerene (C84).. ChemInform. 29(23). 4 indexed citations
19.
Uchiyama, Susumu, et al.. (1997). Measurement of thermodynamic quantities in the heating-rate dependent thermal transitions of sequenced polytripeptides. Chemical Physics Letters. 281(1-3). 92–96. 15 indexed citations
20.
Kai, Tsutomu, et al.. (1997). NMR observation of two states of triple helix in the thermal transition of (Pro-Pro-Gly)10. Chemical Physics Letters. 281(1-3). 86–91. 5 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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