Ryoji Yoshida

774 total citations
18 papers, 652 citations indexed

About

Ryoji Yoshida is a scholar working on Epidemiology, Infectious Diseases and Microbiology. According to data from OpenAlex, Ryoji Yoshida has authored 18 papers receiving a total of 652 indexed citations (citations by other indexed papers that have themselves been cited), including 9 papers in Epidemiology, 8 papers in Infectious Diseases and 6 papers in Microbiology. Recurrent topics in Ryoji Yoshida's work include Pneumonia and Respiratory Infections (9 papers), Antimicrobial Resistance in Staphylococcus (8 papers) and Antibiotic Resistance in Bacteria (5 papers). Ryoji Yoshida is often cited by papers focused on Pneumonia and Respiratory Infections (9 papers), Antimicrobial Resistance in Staphylococcus (8 papers) and Antibiotic Resistance in Bacteria (5 papers). Ryoji Yoshida collaborates with scholars based in Japan, Malaysia and Taiwan. Ryoji Yoshida's co-authors include Hiromu Takemura, Mitsuo Kaku, Kazunori Tomono, Ryusuke Mizukane, K. Ishida, Yoichi Hirakata, Hironori Tanaka, S Kohno, Hironobu Koga and Toshiaki Usui and has published in prestigious journals such as Clinical Infectious Diseases, Journal of Clinical Microbiology and Antimicrobial Agents and Chemotherapy.

In The Last Decade

Ryoji Yoshida

17 papers receiving 608 citations

Peers — A (Enhanced Table)

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

Name h Career Trend Papers Cites
Ryoji Yoshida Japan 10 356 224 178 131 129 18 652
Anne Windau United States 14 519 1.5× 234 1.0× 243 1.4× 169 1.3× 165 1.3× 21 800
M J Robbins United Kingdom 12 403 1.1× 97 0.4× 190 1.1× 110 0.8× 179 1.4× 19 728
A W Howell United States 13 506 1.4× 213 1.0× 265 1.5× 109 0.8× 254 2.0× 17 752
Martin J. Gill United Kingdom 8 323 0.9× 80 0.4× 314 1.8× 126 1.0× 245 1.9× 16 656
B. Pron France 13 221 0.6× 124 0.6× 82 0.5× 236 1.8× 65 0.5× 16 875
Yolanda Mauriz United States 6 576 1.6× 146 0.7× 291 1.6× 179 1.4× 310 2.4× 7 765
E Vallée France 16 419 1.2× 80 0.4× 266 1.5× 157 1.2× 307 2.4× 31 642
C E Fasching United States 14 195 0.5× 71 0.3× 181 1.0× 125 1.0× 225 1.7× 22 575
Gerald A. Denys United States 17 384 1.1× 80 0.4× 264 1.5× 246 1.9× 223 1.7× 46 850
Suchitha Bheemreddy United States 12 261 0.7× 106 0.5× 318 1.8× 197 1.5× 164 1.3× 13 642

Countries citing papers authored by Ryoji Yoshida

Since Specialization
Citations

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

Fields of papers citing papers by Ryoji Yoshida

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Ryoji Yoshida

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

All Works

18 of 18 papers shown
1.
Hirakata, Yoichi, Katsunori Yanagihara, Junichi Matsuda, et al.. (2008). Detection Methods and Changes in Metallo-^|^beta;-lactamase-producing Gram-negative Rod Isolates at Nagasaki University Hospital from 1991 to 2005. Kansenshogaku zasshi. 82(4). 285–291.
2.
Yoshida, Ryoji. (2003). Physiological and molecular analysis of a mecA-negative Staphylococcus aureus clinical strain that expresses heterogeneous methicillin resistance. Journal of Antimicrobial Chemotherapy. 51(2). 247–255. 22 indexed citations
3.
Ahmed, Kamruddin, Ryoji Yoshida, Rita Dhar, et al.. (2000). The prevalence and clonal diversity of penicillin-resistant Streptococcus pneumoniae in Kuwait. Epidemiology and Infection. 125(3). 573–581. 13 indexed citations
4.
5.
Song, Jae‐Hoon, Nam Yong Lee, Satoshi Ichiyama, et al.. (1999). Spread of Drug‐ResistantStreptococcus pneumoniaein Asian Countries: Asian Network for Surveillance of Resistant Pathogens (ANSORP) Study. Clinical Infectious Diseases. 28(6). 1206–1211. 210 indexed citations
6.
Hirakata, Yoichi, Koichi Izumikawa, Toshiyuki Yamaguchi, et al.. (1998). Rapid Detection and Evaluation of Clinical Characteristics of Emerging Multiple-Drug-Resistant Gram-Negative Rods Carrying the Metallo-β-Lactamase Gene bla IMP. Antimicrobial Agents and Chemotherapy. 42(8). 2006–2011. 110 indexed citations
7.
Izumikawa, Koichi, Yoichi Hirakata, Toshiyuki Yamaguchi, et al.. (1998). Analysis of Genetic Relationships and Antimicrobial Susceptibility of Verotoxin‐Producing Escherichia coli Strains Isolated in Nagasaki Prefecture, Japan in 1996. Microbiology and Immunology. 42(10). 677–681. 7 indexed citations
8.
Matsuda, Junichi, Yoichi Hirakata, Chikako Mochida, et al.. (1998). Genetic Relationship between Blood and Nonblood Isolates from Bacteremic Patients Determined by Pulsed-Field Gel Electrophoresis. Journal of Clinical Microbiology. 36(10). 3081–3084. 5 indexed citations
9.
Izumikawa, Koichi, Yoichi Hirakata, Toshiyuki Yamaguchi, et al.. (1998). In Vitro Activities of Quinupristin-Dalfopristin and the Streptogramin RPR 106972 against Mycoplasma pneumoniae. Antimicrobial Agents and Chemotherapy. 42(3). 698–699. 8 indexed citations
10.
Yoshida, Ryoji, Yoichi Hirakata, Mitsuo Kaku, et al.. (1997). Trends of Genetic Relationship of Serotype 23F Penicillin-Resistant <i>Streptococcus pneumoniae</i> in Japan. Chemotherapy. 43(4). 232–238. 8 indexed citations
11.
Yoshida, Ryoji, Yoichi Hirakata, Mitsuo Kaku, et al.. (1997). Genetic relationship of penicillin resistant Streptococcus pneumoniae serotype 19B strains in Japan. Epidemiology and Infection. 118(2). 105–110. 11 indexed citations
12.
Takemura, Hiromu, Mitsuo Kaku, Shigeru Kohno, et al.. (1996). Cloning and expression of human defensin HNP-1 genomic DNA in Escherichia coli. Journal of Microbiological Methods. 25(3). 287–293. 4 indexed citations
13.
Tanaka, Hironori, Yoichi Hirakata, Mitsuo Kaku, et al.. (1996). Antimicrobial activity of superoxidized water. Journal of Hospital Infection. 34(1). 43–49. 77 indexed citations
14.
Takemura, Hiromu, S Kohno, Hirofumi Tanaka, et al.. (1996). Evaluation of susceptibility of gram-positive and -negative bacteria to human defensins by using radial diffusion assay. Antimicrobial Agents and Chemotherapy. 40(10). 2280–2284. 45 indexed citations
15.
Yoshida, Ryoji, Mitsuo Kaku, S Kohno, et al.. (1995). Trends in antimicrobial resistance of Streptococcus pneumoniae in Japan. Antimicrobial Agents and Chemotherapy. 39(5). 1196–1198. 46 indexed citations
16.
Kaku, Mitsuo, K. Ishida, Ryusuke Mizukane, et al.. (1994). In vitro and in vivo activities of sparfloxacin against Mycoplasma pneumoniae. Antimicrobial Agents and Chemotherapy. 38(4). 738–741. 34 indexed citations
17.
Kaku, Mitsuo & Ryoji Yoshida. (1994). [Virulence factors of drug resistant strain].. PubMed. 52(2). 322–6. 1 indexed citations
18.
Ishida, K., Mitsuo Kaku, Ryusuke Mizukane, et al.. (1994). In vitro and in vivo activities of macrolides against Mycoplasma pneumoniae. Antimicrobial Agents and Chemotherapy. 38(4). 790–798. 46 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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