Keiko Okuma

2.9k total citations · 2 hit papers
17 papers, 2.3k citations indexed

About

Keiko Okuma is a scholar working on Infectious Diseases, Molecular Biology and Epidemiology. According to data from OpenAlex, Keiko Okuma has authored 17 papers receiving a total of 2.3k indexed citations (citations by other indexed papers that have themselves been cited), including 8 papers in Infectious Diseases, 5 papers in Molecular Biology and 4 papers in Epidemiology. Recurrent topics in Keiko Okuma's work include Antimicrobial Resistance in Staphylococcus (8 papers), Bacterial Identification and Susceptibility Testing (4 papers) and Bacterial biofilms and quorum sensing (4 papers). Keiko Okuma is often cited by papers focused on Antimicrobial Resistance in Staphylococcus (8 papers), Bacterial Identification and Susceptibility Testing (4 papers) and Bacterial biofilms and quorum sensing (4 papers). Keiko Okuma collaborates with scholars based in Japan, United States and Australia. Keiko Okuma's co-authors include Teruyo Ito, Keiichi Hiramatsu, Xiao Xue, Harumi Yuzawa, Fumihiko Takeuchi, Fred C. Tenover, Maria Kapi, Frances O’Brien, Chuntima Tiensasitorn and John W. Pearman and has published in prestigious journals such as Journal of Clinical Microbiology, Antimicrobial Agents and Chemotherapy and Journal of the American Academy of Dermatology.

In The Last Decade

Keiko Okuma

14 papers receiving 2.2k 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.

Dissemination of New Methicillin-Resistant Staphylococcus aureus Clones in the Community

2002 755 citations Keiko Okuma, John Turnidge et al. Journal of Clinical Microbiology profile →
Novel Type V Staphylococcal Cassette Chromosome mec Driven by a Novel Cassette Chromosome Recombinase, ccrC

2004 561 citations Teruyo Ito, Xiao Xue et al. Antimicrobial Agents and Chemotherapy profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Keiko Okuma Japan	11	1.9k	1.3k	1.0k	344	264	17	2.3k
Harumi Yuzawa Japan	11	2.1k 1.1×	1.8k 1.3×	912 0.9×	356 1.0×	249 0.9×	12	2.7k
Jason H. Chen United States	8	1.3k 0.7×	930 0.7×	548 0.5×	310 0.9×	187 0.7×	8	1.7k
Battouli Saïd‐Salim United States	10	1.3k 0.7×	1.0k 0.8×	432 0.4×	218 0.6×	188 0.7×	10	1.6k
Kazuhisa Murakami Japan	18	1.1k 0.6×	816 0.6×	469 0.4×	114 0.3×	202 0.8×	33	1.6k
Xiao Xue Japan	18	3.1k 1.6×	2.2k 1.6×	1.6k 1.6×	515 1.5×	314 1.2×	22	3.3k
Cédric Badiou France	25	1.7k 0.9×	1.1k 0.8×	374 0.4×	463 1.3×	253 1.0×	49	2.3k
Peter J. McNamara United States	17	1.3k 0.7×	1.4k 1.0×	242 0.2×	143 0.4×	264 1.0×	20	2.3k
E. Magda Barbu United States	15	828 0.4×	664 0.5×	314 0.3×	288 0.8×	227 0.9×	28	1.5k
Jeremy M. Yarwood United States	14	1.4k 0.8×	1.5k 1.1×	210 0.2×	264 0.8×	187 0.7×	15	2.4k

Countries citing papers authored by Keiko Okuma

Since Specialization

Citations

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

Fields of papers citing papers by Keiko Okuma

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Keiko Okuma

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

All Works

Sort: Min cites: Since: Top N: Style:

17 of 17 papers shown

Kanekura, Takuro, Mariko Seishima, Masaru Honma, et al.. (2017). Therapeutic depletion of myeloid lineage leukocytes by adsorptive apheresis for psoriatic arthritis: Efficacy of a non‐drug intervention for patients refractory to pharmacologics. The Journal of Dermatology. 44(12). 1353–1359. 20 indexed citations

Ikeda, Shigaku, Hidetoshi Takahashi, Yasushi Suga, et al.. (2013). Therapeutic depletion of myeloid lineage leukocytes in patients with generalized pustular psoriasis indicates a major role for neutrophils in the immunopathogenesis of psoriasis. Journal of the American Academy of Dermatology. 68(4). 609–617. 101 indexed citations

Hasegawa, Toshio, et al.. (2011). Granulocyte and monocyte adsorption apheresis for generalized pustular psoriasis. The Journal of Dermatology. 38(12). 1130–1134. 16 indexed citations

Okuma, Keiko, Toshio Hasegawa, Hitoshi Tsuchihashi, & Shigaku Ikeda. (2009). A case of giant pigmented basal cell carcinoma raised on the right buttock. Skin Cancer. 24(1). 104–107.

Okuma, Keiko, Kouichi Mitsuishi, Toshio Hasegawa, et al.. (2007). A Case Report of Steroid and Immunosuppressant‐resistant Pyoderma Gangrenosum Successfully Treated by Granulocytapheresis. Therapeutic Apheresis and Dialysis. 11(5). 387–390. 20 indexed citations

Takeuchi, Fumihiko, Keiko Okuma, Makoto Kuroda, et al.. (2005). Spontaneous mutation accompanying decreased growth rate and cell wall thickening confers vancomycin resistance in the subpopulation of heterogeneously vancomycim-resistaut strain Mu3.. Juntendō Igaku. 51(3). 352–360. 1 indexed citations

Ito, Teruyo, et al.. (2004). Community-Associated Methicillin-ResistantStaphylococcus aureus: Current Status and Molecular Epidemiological Perspective. Kansenshogaku zasshi. 78(6). 459–469. 15 indexed citations

Ito, Teruyo, Xiao Xue, Fumihiko Takeuchi, et al.. (2004). Novel Type V Staphylococcal Cassette Chromosome mec Driven by a Novel Cassette Chromosome Recombinase, ccrC. Antimicrobial Agents and Chemotherapy. 48(7). 2637–2651. 561 indexed citations breakdown →

Ito, Teruyo, Keiko Okuma, Xiao Xue, Harumi Yuzawa, & Keiichi Hiramatsu. (2003). Insights on antibiotic resistance of Staphylococcus aureus from its whole genome: genomic island SCC. Drug Resistance Updates. 6(1). 41–52. 321 indexed citations

10.

Cui, Longzhu, Xiaoxue Ma, Katsuhiro Sato, et al.. (2003). Cell Wall Thickening Is a Common Feature of Vancomycin Resistance in Staphylococcus aureus. Journal of Clinical Microbiology. 41(1). 5–14. 387 indexed citations

11.

Hiramatsu, Keiichi, Keiko Okuma, Xiao Xue, et al.. (2002). New trends in Staphylococcus aureus infections: glycopeptide resistance in hospital and methicillin resistance in the community. Current Opinion in Infectious Diseases. 15(4). 407–413. 92 indexed citations

12.

Okuma, Keiko. (2002). Dissemination of New MRSA Clones in the Community. Medical Entomology and Zoology. 40. 4289–4294. 2 indexed citations

13.

Hiramatsu, Keiichi, et al.. (2002). New trends in Staphylococcus aureus infections: glycopeptide resistance in hospital and methicillin resistance in the community. Current Opinion in Internal Medicine. 1(6). 574–580. 2 indexed citations

14.

Okuma, Keiko, John Turnidge, Warren B. Grubb, et al.. (2002). Dissemination of New Methicillin-Resistant Staphylococcus aureus Clones in the Community. Journal of Clinical Microbiology. 40(11). 4289–4294. 755 indexed citations breakdown →

15.

Ishii, Hiroshi & Keiko Okuma. (1999). The Market Circulation of Goods in Relation to the Sweet Potato. Medical Entomology and Zoology. 39. 37–54.

16.

Anzai, Kaijiro, K Isono, Keiko Okuma, & Shigeo Suzuki. (1960). The new antibiotics, questiomycins A and B.. PubMed. 13. 125–32. 34 indexed citations

17.

Suzuki, Shigeo, et al.. (1958). Cellocidin, a new antibiotic.. PubMed. 11(3). 81–3. 4 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