World's Best Scientists 2026 revealed!

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Immunology

D-Index
94
Citations
33593
World Ranking
928
National Ranking
31

Medicine

D-Index
94
Citations
33593
World Ranking
10462
National Ranking
292

Overview

Yuzo Miyakawa is affiliated with the Miyakawa Memorial Research Foundation in Japan. Their professional activities are primarily associated with this institution, indicating a focused research environment.

While detailed publication records, including recent papers, specific research topics, co-authors, and frequent publication venues, are not available, Miyakawa's profile reflects an active researcher connected to a dedicated foundation. The absence of listed awards or book publications further suggests that their academic output may be specialized or contained within specific research projects or internal publications not widely indexed.

The available data does not provide explicit fields or subfields of study, which limits a precise classification of their academic focus areas. Likewise, no specific topics of work have been outlined to illustrate the thematic scope of their research contributions.

Given the lack of extensive bibliometric or collaborative information, no conclusions on influence or disciplinary impact can be drawn. The researcher remains actively associated with the Miyakawa Memorial Research Foundation and is not reported as deceased.

Best Publications

  • A novel DNA virus (TTV) associated with elevated transaminase levels in posttransfusion hepatitis of unknown etiology.

    Tsutomu Nishizawa;Hiroaki Okamoto;Keiko Konishi;Hiroshi Yoshizawa

  • Typing Hepatitis B Virus by Homology in Nucleotide Sequence: Comparison of Surface Antigen Subtypes

    Hiroaki Okamoto;Fumio Tsuda;Hiroshi Sakugawa;Retno I. Sastrosoewignjo

  • Typing hepatitis C virus by polymerase chain reaction with type-specific primers: application to clinical surveys and tracing infectious sources.

    Hiroaki Okamoto;Yasushi Sugiyama;Shunichi Okada;Kiyohiko Kurai

  • Molecular cloning and characterization of a novel DNA virus (TTV) associated with posttransfusion hepatitis of unknown etiology

    Hiroaki Okamoto;Tsutomu Nishizawa;Naomi Kato;Masato Ukita

  • E Antigen and Anti-E in the Serum of Asymptomatic Carrier Mothers as Indicators of Positive and Negative Transmission of Hepatitis B Virus to Their Infants

    Kiyshi Okada;Ichiro Kamiyama;Minako Inomata;Mitsunobu Imai

  • Detection of hepatitis C virus RNA by a two-stage polymerase chain reaction with two pairs of primers deduced from the 5'-noncoding region.

    H Okamoto;S Okada;Y Sugiyama;T Tanaka

  • Hepatitis B virus with mutations in the core promoter for an e antigen-negative phenotype in carriers with antibody to e antigen.

    H Okamoto;F Tsuda;Y Akahane;Y Sugai

  • The 5'-terminal sequence of the hepatitis C virus genome.

    Okamoto H;Okada S;Sugiyama Y;Yotsumoto S

  • Hepatitis B viruses with precore region defects prevail in persistently infected hosts along with seroconversion to the antibody against e antigen.

    H Okamoto;S Yotsumoto;Y Akahane;T Yamanaka

  • A Genetic Variant of Hepatitis B Virus Divergent from Known Human and Ape Genotypes Isolated from a Japanese Patient and Provisionally Assigned to New Genotype J

    Kanako Tatematsu;Yasuhito Tanaka;Fuat Kurbanov;Fuminaka Sugauchi

  • Nucleotide sequence of the genomic RNA of hepatitis C virus isolated from a human carrier: comparison with reported isolates for conserved and divergent regions.

    Hiroaki Okamoto;Shunichi Okada;Yasushi Sugiyama;Kiyohiko Kurai

  • Infection with Hepatitis GB Virus C in Patients on Maintenance Hemodialysis

    Kazuo Masuko;Takehiro Mitsui;Keiko Iwano;Chikao Yamazaki

  • Genetic variability in hepatitis B viruses.

    Karin Kidd-Ljunggren;Yuzo Miyakawa;Alistair H. Kidd

  • Fecal excretion of a nonenveloped DNA virus (TTV) associated with posttransfusion non-A-G hepatitis

    Hiroaki Okamoto;Yoshihiro Akahane;Masato Ukita;Masako Fukuda

  • Hepatitis B virus strains with mutations in the core promoter in patients with fulminant hepatitis.

    Shunichi Sato;Kazuyuki Suzuki;Yoshihiro Akahane;Koichi Akamatsu

  • Classifying hepatitis B virus genotypes.

    Yuzo Miyakawa;Masashi Mizokami

  • Hepatitis B virus of genotype B with or without recombination with genotype C over the precore region plus the core gene

    Fuminaka Sugauchi;Etsuro Orito;Takafumi Ichida;Hideaki Kato

  • Serological detection of hepatitis B virus genotypes by ELISA with monoclonal antibodies to type-specific epitopes in the preS2-region product.

    Sadakazu Usuda;Hiroaki Okamoto;Hiroko Iwanari;Kiyoshi Baba

  • Naturally occurring escape mutants of hepatitis B virus with various mutations in the S gene in carriers seropositive for antibody to hepatitis B surface antigen.

    K Yamamoto;M Horikita;F Tsuda;K Itoh

  • Marked genomic heterogeneity and frequent mixed infection of TT virus demonstrated by PCR with primers from coding and noncoding regions.

    Hiroaki Okamoto;Masaharu Takahashi;Tsutomu Nishizawa;Masato Ukita

Frequent Co-Authors

Makoto Mayumi
Makoto Mayumi Jichi Medical University
Hiroaki Okamoto
Hiroaki Okamoto Jichi Medical University
Fumio Tsuda
Fumio Tsuda Toshiba (Japan)
Hiromitsu Kumada
Hiromitsu Kumada Fukuoka University
Fumitaka Suzuki
Fumitaka Suzuki Toranomon Hospital
Kenji Ikeda
Kenji Ikeda University of California, San Francisco
Yoshiyuki Suzuki
Yoshiyuki Suzuki Fukushima Medical University
Masahiro Kobayashi
Masahiro Kobayashi Toranomon Hospital
Masashi Mizokami
Masashi Mizokami National Center For Global Health and Medicine
Yasuji Arase
Yasuji Arase University of Yamanashi

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Related Online Degrees & Career Pathways

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