Takashi Koike

9.3k total citations · 3 hit papers
175 papers, 7.7k citations indexed

About

Takashi Koike is a scholar working on Organic Chemistry, Pharmaceutical Science and Inorganic Chemistry. According to data from OpenAlex, Takashi Koike has authored 175 papers receiving a total of 7.7k indexed citations (citations by other indexed papers that have themselves been cited), including 69 papers in Organic Chemistry, 39 papers in Pharmaceutical Science and 26 papers in Inorganic Chemistry. Recurrent topics in Takashi Koike's work include Radical Photochemical Reactions (52 papers), Fluorine in Organic Chemistry (39 papers) and Sulfur-Based Synthesis Techniques (23 papers). Takashi Koike is often cited by papers focused on Radical Photochemical Reactions (52 papers), Fluorine in Organic Chemistry (39 papers) and Sulfur-Based Synthesis Techniques (23 papers). Takashi Koike collaborates with scholars based in Japan, United States and Greece. Takashi Koike's co-authors include Munetaka Akita, Yusuke Yasu, Ren Tomita, Takao Ikariya, Kazuki Miyazawa, Naoki Noto, S. Arita, Yoshihito Kayaki, Yusuke Arai and Yuya Tanaka and has published in prestigious journals such as Journal of the American Chemical Society, Angewandte Chemie International Edition and SHILAP Revista de lepidopterología.

In The Last Decade

Takashi Koike

161 papers receiving 7.6k citations

Hit Papers

Three‐component Oxytrifluoromethylation of Alkenes: Highl... 2012 2026 2016 2021 2012 2016 2014 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. Three‐component Oxytrifluoromethylation of Alkenes: Highly Efficient and Regioselective Difunctionalization of CC Bonds Mediated by Photoredox Catalysts
    2012 503 citations Takashi Koike, Munetaka Akita et al. Angewandte Chemie International Edition profile →
  2. Fine Design of Photoredox Systems for Catalytic Fluoromethylation of Carbon–Carbon Multiple Bonds
    2016 490 citations Takashi Koike, Munetaka Akita profile →
  3. Visible-light radical reaction designed by Ru- and Ir-based photoredox catalysis
    2014 369 citations Takashi Koike, Munetaka Akita profile →

Peers

Takashi Koike
Christopher J. Adams United Kingdom
Yajun Li China
William J. Kerr United Kingdom
Michael C. Baird Canada
William T. Pennington United States
Christian Müller Germany
Kiyoshi Fujisawa Japan
Axel Klein Germany
Samantha N. MacMillan United States
Christopher J. Adams United Kingdom
Takashi Koike
Citations per year, relative to Takashi Koike Takashi Koike (= 1×) peers Christopher J. Adams

Countries citing papers authored by Takashi Koike

Since Specialization
Citations

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

Fields of papers citing papers by Takashi Koike

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Takashi Koike

This figure shows the co-authorship network connecting the top 25 collaborators of Takashi Koike. A scholar is included among the top collaborators of Takashi Koike 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 Takashi Koike. Takashi Koike 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.
Takahashi, Hiromichi, Shun Ito, Katsuhiro Miura, et al.. (2025). Topological importance of CD8+ T-cell enrichment in the tumor microenvironment of classic Hodgkin lymphoma. Annals of Hematology. 104(2). 1047–1057. 1 indexed citations
2.
Yu, Ziyi, Daichi Inoue, Manabu Abe, et al.. (2025). Photochemical transformations of glycosyl bromides in the presence of amines. Carbohydrate Research. 552. 109436–109436.
3.
Yu, Ziyi, Daichi Inoue, Toshiki Nokami, et al.. (2024). Organophotocatalytic access to C-glycosides: multicomponent coupling reactions using glycosyl bromides. Chemical Communications. 60(66). 8684–8687. 2 indexed citations
4.
Matsumoto, Shuhei, Hiromichi Takahashi, Takashi Hamada, et al.. (2023). [Thrombotic microangiopathy with gastrointestinal hemorrhage during carfilzomib therapy for multiple myeloma].. PubMed. 64(4). 255–259. 1 indexed citations
5.
Koike, Takashi, Ryuichi Ohta, Yuhei Matsuda, Chiaki Sano, & Takahiro Kanno. (2023). Nurses’ Awareness of and Current Approaches to Oral Care in a Community Hospital in Japan: A Longitudinal Study of Dental Specialists’ Interventions. Healthcare. 11(17). 2425–2425. 1 indexed citations
6.
Koike, Takashi, Ryuichi Ohta, Yuhei Matsuda, Chiaki Sano, & Takahiro Kanno. (2022). Oral Care Awareness and Factors Related to the Burden of Nurses at a Community Hospital in Japan. Healthcare. 10(6). 1073–1073. 6 indexed citations
7.
Iriyama, Noriyoshi, Katsuhiro Miura, Y. Uchino, et al.. (2021). Relationship between Carnitine Deficiency and Tyrosine Kinase Inhibitor Use in Patients with Chronic Myeloid Leukemia. Chemotherapy. 67(2). 96–101. 2 indexed citations
8.
Sumimoto, Michinori, Toshiki Nokami, Takashi Koike, et al.. (2020). Chemistry of Tertiary Carbon Center in the Formation of Congested C−O Ether Bonds. Angewandte Chemie International Edition. 60(8). 4329–4334. 21 indexed citations
9.
Matsushita, Yuki, Rika Ochi, Yuya Tanaka, Takashi Koike, & Munetaka Akita. (2020). Energy transfer-driven regioselective synthesis of functionalized phenanthridines by visible-light Ir photocatalysis. Organic Chemistry Frontiers. 7(10). 1243–1248. 10 indexed citations
10.
Sumimoto, Michinori, Toshiki Nokami, Takashi Koike, et al.. (2020). Chemistry of Tertiary Carbon Center in the Formation of Congested C−O Ether Bonds. Angewandte Chemie. 133(8). 4375–4380. 6 indexed citations
11.
Hara, Ryujiro, Makoto Onizuka, Kaito Harada, et al.. (2020). The Role of Hypertension and Renin-angiotensin-aldosterone System Inhibitors in Bleomycin-induced Lung Injury. Clinical Lymphoma Myeloma & Leukemia. 21(4). e321–e327. 5 indexed citations
12.
Miyamura, Takako, Hiroshi Moritake, Hideki Nakayama, et al.. (2019). Clinical and biological features of paediatric acute myeloid leukaemia (AML) with primary induction failure in the Japanese Paediatric Leukaemia/Lymphoma Study Group AML‐05 study. British Journal of Haematology. 185(2). 284–288. 15 indexed citations
13.
Noto, Naoki, Yuya Tanaka, Takashi Koike, & Munetaka Akita. (2018). Strongly Reducing (Diarylamino)anthracene Catalyst for Metal-Free Visible-Light Photocatalytic Fluoroalkylation. ACS Catalysis. 8(10). 9408–9419. 66 indexed citations
14.
Nonaka, Kumiko, Hiroyuki Suzuki, Hiroshi Murayama, et al.. (2017). For how many days and what types of group activities should older Japanese adults be involved in to maintain health? A 4-year longitudinal study. PLoS ONE. 12(9). e0183829–e0183829. 10 indexed citations
15.
Akita, Munetaka, et al.. (2014). Organometallic Photocatalysis Promoted by Visible Light (Sunlight): Photo-redox Catalysis and Difunctional Dinuclear Catalyst System. Journal of Synthetic Organic Chemistry Japan. 72(5). 538–547. 6 indexed citations
16.
Koike, Takashi, Taro Fukaya, Kumiko Nonaka, et al.. (2013). [Usage conditions and intentions to use monitoring services for the elderly living alone].. PubMed. 60(5). 285–93. 4 indexed citations
17.
18.
Tanaka, Ayako, Tôru Nakamura, Takashi Koike, et al.. (2008). The Kii Bifurcation Current and Cold Eddy in Kii Channel. Oceanography in Japan. 17(3). 193–204.
19.
Koike, Takashi, et al.. (2005). . NIPPON SUISAN GAKKAISHI. 71(4). 628–630.
20.
Kodama, Makoto, Tohru Izumi, Fumiaki Masani, et al.. (1989). EXPERIMENTAL GIANT CELL MYOCARDITIS INDUCED BY IMMUNIZATION WITH CARDIAC MYOSIN : Cardiomyopathy, Myocarditis : 53 Annual Scientific Meeting, Japanese Circulation Society. Japanese Circulation Journal-english Edition. 53(8). 871–872. 1 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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