S. Kodama

1.3k total citations · 2 hit papers
12 papers, 1.1k citations indexed

About

S. Kodama is a scholar working on Electrical and Electronic Engineering, Organic Chemistry and Biomedical Engineering. According to data from OpenAlex, S. Kodama has authored 12 papers receiving a total of 1.1k indexed citations (citations by other indexed papers that have themselves been cited), including 6 papers in Electrical and Electronic Engineering, 4 papers in Organic Chemistry and 4 papers in Biomedical Engineering. Recurrent topics in S. Kodama's work include Advancements in Photolithography Techniques (4 papers), Asymmetric Hydrogenation and Catalysis (3 papers) and Nanofabrication and Lithography Techniques (3 papers). S. Kodama is often cited by papers focused on Advancements in Photolithography Techniques (4 papers), Asymmetric Hydrogenation and Catalysis (3 papers) and Nanofabrication and Lithography Techniques (3 papers). S. Kodama collaborates with scholars based in Japan and Belgium. S. Kodama's co-authors include Kohei Tamao, Akio Minato, Isao Nakajima, M. KUMADA, Katsunori Suzuki, Makoto Kumada, Yoshihisa Kiso, Michio Zembayashi, Koji Sumitani and Akira Fujioka and has published in prestigious journals such as Journal of the American Chemical Society, Tetrahedron and Bulletin of the Chemical Society of Japan.

In The Last Decade

S. Kodama

11 papers receiving 1.1k 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.

Nickel-phosphine complex-catalyzed Grignard coupling—II

1982 526 citations Kohei Tamao, S. Kodama et al. Tetrahedron profile →
Nickel-Phosphine Complex-Catalyzed Grignard Coupling. I. Cross-Coupling of Alkyl, Aryl, and Alkenyl Grignard Reagents with Aryl and Alkenyl Halides: General Scope and Limitations

1976 499 citations Kohei Tamao, Koji Sumitani et al. Bulletin of the Chemical Society of Japan profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
S. Kodama Japan	7	695	394	341	141	117	12	1.1k
Emiel G. J. Staring Netherlands	19	473 0.7×	587 1.5×	402 1.2×	210 1.5×	94 0.8×	29	1.2k
Jeffry S. Schumm United States	12	633 0.9×	494 1.3×	287 0.8×	403 2.9×	89 0.8×	16	1.1k
Olga Pudova Latvia	16	468 0.7×	327 0.8×	245 0.7×	210 1.5×	159 1.4×	62	865
Ashok S. Shetty United States	5	374 0.5×	255 0.6×	192 0.6×	270 1.9×	73 0.6×	6	785
Will Marshall United States	16	466 0.7×	394 1.0×	137 0.4×	193 1.4×	114 1.0×	41	921
Svetlana M. Peregudova Russia	20	489 0.7×	641 1.6×	462 1.4×	303 2.1×	106 0.9×	80	1.1k
Jean Rene Hamon	14	682 1.0×	187 0.5×	152 0.4×	163 1.2×	349 3.0×	14	942
Ying Wei China	21	673 1.0×	321 0.8×	105 0.3×	360 2.6×	186 1.6×	73	1.1k
M. A. Keegstra Netherlands	11	391 0.6×	135 0.3×	99 0.3×	174 1.2×	46 0.4×	16	562

Countries citing papers authored by S. Kodama

Since Specialization

Citations

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

Fields of papers citing papers by S. Kodama

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of S. Kodama

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

All Works

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12 of 12 papers shown

Raut, Vikram, Kyoichi Takaori, Yoshiya Kawaguchi, et al.. (2011). Laparoscopic common hepatic artery ligation and staging followed by distal pancreatectomy with en bloc resection of celiac artery for advanced pancreatic cancer. Asian Journal of Endoscopic Surgery. 4(4). 199–202. 10 indexed citations

Kodama, S. & Hiroshi Itô. (2007). UTC-PD-Based Optoelectronic Components for High-Frequency and High-Speed Applications. IEICE Transactions on Electronics. E90-C(2). 429–435. 10 indexed citations

Kodama, S., et al.. (2006). Low loss and highly reliable polymer optical waveguides with perfluorinated dopant-free core. 3 pp.–3 pp.. 2 indexed citations

Itani, Toshiro, et al.. (2003). Characterization of Fluoropolymer Resist for 157-nm Lithography. Journal of Photopolymer Science and Technology. 16(4). 557–564. 7 indexed citations

Irisawa, Jun, et al.. (2003). Dry-etching resistance of fluoropolymers for 157-nm single-layer resists. Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE. 5039. 43–43. 5 indexed citations

Ishikawa, Seiichi, et al.. (2003). Performances of resists for 157-nm lithography based on monocyclic fluoropolymers. Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE. 5039. 580–580. 5 indexed citations

Kodama, S., Isamu Kaneko, Naomi Shida, et al.. (2002). Synthesis of novel fluoropolymers for 157-nm photoresists by cyclopolymerization. Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE. 4690. 76–76. 27 indexed citations

Tamao, Kohei, S. Kodama, Isao Nakajima, et al.. (1982). Nickel-phosphine complex-catalyzed Grignard coupling—II. Tetrahedron. 38(22). 3347–3354. 526 indexed citations breakdown →

Tamao, Kohei, Koji Sumitani, Yoshihisa Kiso, et al.. (1976). ChemInform Abstract: NICKEL‐PHOSPHINE COMPLEX‐CATALYZED GRIGNARD COUPLING. I. CROSS‐COUPLING OF ALKYL, ARYL, AND ALKENYL GRIGNARD REAGENTS WITH ARYL AND ALKENYL HALIDES‐ GENERAL SCOPE AND LIMITATIONS. Chemischer Informationsdienst. 7(42). 1 indexed citations

10.

Tamao, Kohei, Koji Sumitani, Yoshihisa Kiso, et al.. (1976). Nickel-Phosphine Complex-Catalyzed Grignard Coupling. I. Cross-Coupling of Alkyl, Aryl, and Alkenyl Grignard Reagents with Aryl and Alkenyl Halides: General Scope and Limitations. Bulletin of the Chemical Society of Japan. 49(7). 1958–1969. 499 indexed citations breakdown →

11.

Tamao, Kohei, et al.. (1975). One-step preparation of metacyclophanes and (2,6)pyridinophanes by nickel-catalzyed Grignard cyclocoupling. Journal of the American Chemical Society. 97(15). 4405–4406. 41 indexed citations

12.

Tamao, Kohei, et al.. (1975). Nickel-phosphine Complex Catalyzed Grignard Coupling of Heterocyclic Compounds. Heterocycles. 3(12). 1133–1133.

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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