Ryota Hase

1.1k total citations
59 papers, 487 citations indexed

About

Ryota Hase is a scholar working on Infectious Diseases, Epidemiology and Public Health, Environmental and Occupational Health. According to data from OpenAlex, Ryota Hase has authored 59 papers receiving a total of 487 indexed citations (citations by other indexed papers that have themselves been cited), including 23 papers in Infectious Diseases, 21 papers in Epidemiology and 10 papers in Public Health, Environmental and Occupational Health. Recurrent topics in Ryota Hase's work include Bacterial Identification and Susceptibility Testing (9 papers), Infective Endocarditis Diagnosis and Management (8 papers) and Antimicrobial Resistance in Staphylococcus (7 papers). Ryota Hase is often cited by papers focused on Bacterial Identification and Susceptibility Testing (9 papers), Infective Endocarditis Diagnosis and Management (8 papers) and Antimicrobial Resistance in Staphylococcus (7 papers). Ryota Hase collaborates with scholars based in Japan, United States and Malaysia. Ryota Hase's co-authors include Naoto Hosokawa, Yoshihito Otsuka, Hiroyuki Suzuki, Takashi Kurita, Kazuki Yoshida, Shunsuke Uno, Makito Yaegashi, Nobuto Hirata, Daisuke Suzuki and Yoshifumi Uwamino and has published in prestigious journals such as PLoS ONE, Antimicrobial Agents and Chemotherapy and Journal of Antimicrobial Chemotherapy.

In The Last Decade

Ryota Hase

50 papers receiving 474 citations

Peers

Ryota Hase

EPIDE

SURGE

PHEOH

Hitender Gautam India

Archana Angrup India

Suzan Saçar Türkiye

Mücahit Yemişen Türkiye

Mahshid Talebi‐Taher Iran

Joan Gómez‐Junyent Spain

Bruno Van Herendael Belgium

Guillermo Cuervo Spain

Kerry O. Cleveland United States

Mark J. Enzler United States

Hitender Gautam India

Ryota Hase

187 ×1.0

EPIDE

169 ×1.2

65 ×0.7

SURGE

68 ×0.8

PHEOH

42 ×0.8

Citations per year, relative to Ryota Hase Ryota Hase (= 1×) peers Hitender Gautam

Countries citing papers authored by Ryota Hase

Since Specialization

Citations

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

Fields of papers citing papers by Ryota Hase

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Ryota Hase

This figure shows the co-authorship network connecting the top 25 collaborators of Ryota Hase. A scholar is included among the top collaborators of Ryota Hase 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 Ryota Hase. Ryota Hase 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:

20 of 20 papers shown

Sakurai, Aki, Masahiro Suzuki, Ryota Hase, et al.. (2026). In vitro activity of cefiderocol against carbapenem-resistant Gram-negative pathogens in Japan. Journal of Infection and Chemotherapy. 32(2). 102905–102905.

Jindai, Kazuaki, Hiroki Saito, Eriko Morino, et al.. (2025). Hospital Preparedness for Conducting Clinical Research During a Pandemic: A Nationwide Survey Among Designated Medical Institutions for Infectious Diseases in Japan. Health Security. 23(2). 82–93. 1 indexed citations

Hase, Ryota, Daisuke Suzuki, Cynthia de Luise, et al.. (2023). Validity of claims-based diagnoses for infectious diseases common among immunocompromised patients in Japan. BMC Infectious Diseases. 23(1). 653–653. 1 indexed citations

Nomoto, Hidetoshi, Kei Yamamoto, Satoshi Kutsuna, et al.. (2023). Evaluation of potential rabies exposure among Japanese international travelers: A retrospective descriptive study. PLoS ONE. 18(8). e0287838–e0287838.

Sugiyama, Naonobu, Mitsuyo Kinjo, Sadao Jinno, et al.. (2023). Validation of claims‐based algorithms for rheumatoid arthritis in Japan: Results from the VALIDATE‐J study. International Journal of Rheumatic Diseases. 27(1). e15001–e15001. 3 indexed citations

Hase, Ryota, et al.. (2023). A pitfall of cognitive bias during the pandemic: Two cases of Plasmodium falciparum malaria coinfected or misdiagnosed with COVID-19. Journal of Infection and Chemotherapy. 29(9). 916–918. 1 indexed citations

Hase, Ryota, et al.. (2022). Catheter-related bloodstream Mycobacterium wolinskyi infection in an umbilical cord blood transplant recipient: a case report. BMC Infectious Diseases. 22(1). 520–520. 3 indexed citations

Hase, Ryota, et al.. (2021). Black hairy tongue caused by metronidazole. The Brazilian Journal of Infectious Diseases. 25(5). 101633–101633. 3 indexed citations

Kawashima, Hirotoshi, et al.. (2019). Consideration concerning similarities and differences between ANCA-associated vasculitis and IgG-4-related diseases: case series and review of literature. Immunologic Research. 67(1). 99–107. 23 indexed citations

10.

Oami, Takehiko, et al.. (2018). A successful salvage therapy with daptomycin and linezolid for right-sided infective endocarditis and septic pulmonary embolism caused by methicillin-resistant Staphylococcus aureus. Journal of Infection and Chemotherapy. 24(10). 845–848. 11 indexed citations

11.

Shimizu, Akihiko, Ryota Hase, Daisuke Suzuki, et al.. (2018). Lactococcus lactis cholangitis and bacteremia identified by MALDI-TOF mass spectrometry: A case report and review of the literature on Lactococcus lactis infection. Journal of Infection and Chemotherapy. 25(2). 141–146. 15 indexed citations

12.

Hase, Ryota, et al.. (2018). Legionella pneumonia appeared during hospitalization in a patient with hematological malignancy confirmed by sputum culture after negative urine antigen test. Journal of Infection and Chemotherapy. 24(7). 579–582. 2 indexed citations

13.

Takeshita, Nozomi, Ichiro Kawamura, Hanako Kurai, et al.. (2017). Unique characteristics of community-onset healthcare- associated bloodstream infections: a multi-centre prospective surveillance study of bloodstream infections in Japan. Journal of Hospital Infection. 96(1). 29–34. 25 indexed citations

14.

Suzuki, Hiroyuki, Ryota Hase, Yoshihito Otsuka, & Naoto Hosokawa. (2016). Bloodstream infections caused by Streptococcus anginosus group bacteria: A retrospective analysis of 78 cases at a Japanese tertiary hospital. Journal of Infection and Chemotherapy. 22(7). 456–460. 21 indexed citations

15.

Uno, Shunsuke, et al.. (2016). Pyelonephritis with bacteremia caused by Listeria monocytogenes: A case report. Journal of Infection and Chemotherapy. 23(2). 111–113. 2 indexed citations

16.

Uwamino, Yoshifumi, et al.. (2015). Clinical Features of Community‐Acquired Helicobacter cinaedi Bacteremia. Helicobacter. 21(1). 24–28. 18 indexed citations

17.

Hase, Ryota, Yoshihito Otsuka, Kazuki Yoshida, & Naoto Hosokawa. (2015). Profile of infective endocarditis at a tertiary-care hospital in Japan over a 14-year period: characteristics, outcome and predictors for in-hospital mortality. International Journal of Infectious Diseases. 33. 62–66. 30 indexed citations

18.

Hase, Ryota, et al.. (2014). Bacterial Meningitis in the Absence of Cerebrospinal Fluid Pleocytosis: A Case Report and Review of the Literature. Canadian Journal of Infectious Diseases and Medical Microbiology. 25(5). 249–251. 26 indexed citations

19.

Hase, Ryota, et al.. (2013). <i>Plasmodium malariae</i> Malaria with more than a 4-month Incubation Period : Difficult to Distinguish from a Relapse of <i>Plasmodium vivax</i> Malaria. Kansenshogaku zasshi. 87(4). 446–450. 3 indexed citations

20.

Miyamoto, M, Liantao Li, M Kadoya, et al.. (2006). Immunohistochemical analysis of nuclear survivin expression in esophageal squamous cell carcinoma. Diseases of the Esophagus. 19(5). 355–359. 18 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