World's Best Scientists 2026 revealed!
Nobuyuki Hamajima

Nobuyuki Hamajima

D-Index & Metrics

Medicine

D-Index
88
Citations
32470
World Ranking
13043
National Ranking
386

Nobuyuki Hamajima publication distribution in Medicine in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Medicine in 2026. The highlighted bar marks where Nobuyuki Hamajima sits on this spectrum.

101–120 publications: 5 scientists 121–140 publications: 26 scientists 141–160 publications: 73 scientists 161–180 publications: 155 scientists 181–200 publications: 230 scientists 201–220 publications: 363 scientists 221–240 publications: 487 scientists 241–260 publications: 545 scientists 261–280 publications: 722 scientists 281–300 publications: 768 scientists 301–320 publications: 834 scientists 321–340 publications: 895 scientists 341–360 publications: 922 scientists 361–380 publications: 838 scientists 381–400 publications: 861 scientists 401–420 publications: 918 scientists 421–440 publications: 806 scientists 441–460 publications: 771 scientists 461–480 publications: 751 scientists 481–500 publications: 713 scientists 501–520 publications: 617 scientists 521–540 publications: 610 scientists 541–560 publications: 537 scientists 561–580 publications: 504 scientists 581–600 publications: 509 scientists 601–620 publications: 396 scientists 621–640 publications: 386 scientists 641–660 publications: 371 scientists 661–680 publications: 340 scientists 681–700 publications: 336 scientists 701–720 publications: 307 scientists 721–740 publications: 259 scientists 741–760 publications: 230 scientists 761–780 publications: 228 scientists 781–800 publications: 217 scientists 801–820 publications: 204 scientists 821–840 publications: 186 scientists 841–860 publications: 177 scientists 861–880 publications: 155 scientists 881–900 publications: 139 scientists 901–920 publications: 145 scientists 921–940 publications: 116 scientists 941–960 publications: 133 scientists 961–980 publications: 91 scientists 981–1,000 publications: 96 scientists 1,001–1,020 publications: 77 scientists 1,021–1,040 publications: 70 scientists 1,041–1,060 publications: 63 scientists 1,061–1,080 publications: 77 scientists 1,081–1,100 publications: 49 scientists 1,101–1,120 publications: 54 scientists 1,121–1,140 publications: 49 scientists 1,141–1,160 publications: 51 scientists 1,161–1,180 publications: 35 scientists 1,181–1,200 publications: 39 scientists 1,201–1,220 publications: 26 scientists 1,221–1,240 publications: 37 scientists 1,241–1,260 publications: 36 scientists 1,261–1,280 publications: 27 scientists 1,281–1,300 publications: 32 scientists 1,301–1,320 publications: 28 scientists 1,321–1,340 publications: 17 scientists 1,341–1,360 publications: 30 scientists 1,361–1,380 publications: 28 scientists 1,381–1,400 publications: 17 scientists 1,401–1,420 publications: 21 scientists 1,421–1,440 publications: 15 scientists 1,441–1,460 publications: 12 scientists 1,461–1,480 publications: 12 scientists 1,481–1,500 publications: 18 scientists 1,501–1,520 publications: 14 scientists 1,521–1,540 publications: 17 scientists 1,541–1,560 publications: 15 scientists 1,561–1,580 publications: 6 scientists 1,581–1,600 publications: 2 scientists 1,601–1,620 publications: 12 scientists 1,621–1,640 publications: 11 scientists 1,641–1,660 publications: 8 scientists 1,661–1,680 publications: 5 scientists 1,681–1,700 publications: 5 scientists 1,701–1,720 publications: 10 scientists 1,721–1,740 publications: 12 scientists 1,741–1,760 publications: 14 scientists 1,761–1,780 publications: 6 scientists 1,781–1,795 publications: 5 scientists 1,796+ publications: 100 scientists
101 publications 1,796+

This scientist: 700 publications — 81st percentile

81% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 1,796 publications or more.

Nobuyuki Hamajima D-index placement in Medicine in 2026

The chart shows the D-index (discipline H-index) distribution of Medicine scientists ranked by Research.com in 2026. The highlighted bar marks where Nobuyuki Hamajima sits on this spectrum.

70–71 D-Index: 226 scientists 72–73 D-Index: 391 scientists 74–75 D-Index: 574 scientists 76–77 D-Index: 730 scientists 78–79 D-Index: 891 scientists 80–81 D-Index: 972 scientists 82–83 D-Index: 1,027 scientists 84–85 D-Index: 1,003 scientists 86–87 D-Index: 960 scientists 88–89 D-Index: 970 scientists 90–91 D-Index: 922 scientists 92–93 D-Index: 839 scientists 94–95 D-Index: 808 scientists 96–97 D-Index: 779 scientists 98–99 D-Index: 668 scientists 100–101 D-Index: 611 scientists 102–103 D-Index: 630 scientists 104–105 D-Index: 513 scientists 106–107 D-Index: 541 scientists 108–109 D-Index: 445 scientists 110–111 D-Index: 429 scientists 112–113 D-Index: 399 scientists 114–115 D-Index: 393 scientists 116–117 D-Index: 318 scientists 118–119 D-Index: 302 scientists 120–121 D-Index: 287 scientists 122–123 D-Index: 255 scientists 124–125 D-Index: 256 scientists 126–127 D-Index: 252 scientists 128–129 D-Index: 230 scientists 130–131 D-Index: 179 scientists 132–133 D-Index: 168 scientists 134–135 D-Index: 163 scientists 136–137 D-Index: 159 scientists 138–139 D-Index: 134 scientists 140–141 D-Index: 134 scientists 142–143 D-Index: 118 scientists 144–145 D-Index: 109 scientists 146–147 D-Index: 106 scientists 148–149 D-Index: 74 scientists 150–151 D-Index: 79 scientists 152–153 D-Index: 80 scientists 154–155 D-Index: 87 scientists 156–157 D-Index: 57 scientists 158–159 D-Index: 74 scientists 160–161 D-Index: 69 scientists 162–163 D-Index: 60 scientists 164–165 D-Index: 53 scientists 166–167 D-Index: 39 scientists 168–169 D-Index: 42 scientists 170–171 D-Index: 32 scientists 172–173 D-Index: 39 scientists 174–175 D-Index: 40 scientists 176–177 D-Index: 28 scientists 178–179 D-Index: 19 scientists 180–181 D-Index: 23 scientists 182–183 D-Index: 31 scientists 184–185 D-Index: 18 scientists 186–187 D-Index: 20 scientists 188–189 D-Index: 22 scientists 190–191 D-Index: 13 scientists 192–193 D-Index: 21 scientists 194–195 D-Index: 12 scientists 196–197 D-Index: 12 scientists 198–199 D-Index: 14 scientists 200–201 D-Index: 15 scientists 202–203 D-Index: 13 scientists 204–205 D-Index: 10 scientists 206–207 D-Index: 8 scientists 208–209 D-Index: 4 scientists 210–211 D-Index: 12 scientists 212–213 D-Index: 11 scientists 214–215 D-Index: 10 scientists 216 D-Index: 4 scientists 217+ D-Index: 98 scientists
70 D-Index 217+

This scientist: 88 D-Index — 36th percentile

36% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 217 D-Index or more.

Overview

Nobuyuki Hamajima is affiliated with Nagoya University in Japan and primarily focuses on research in the field of Medicine. Their work spans several subfields, including Molecular Biology, Public Health, Environmental and Occupational Health, General Health Professions, Pediatrics, Perinatology and Child Health, and Cancer Research.

Hamajima's research covers a range of topics, notably:

  • Global Maternal and Child Health
  • Epigenetics and DNA Methylation
  • Nutritional Studies and Diet
  • Health disparities and outcomes
  • MicroRNA in disease regulation
  • Maternal and Perinatal Health Interventions
  • Circular RNAs in diseases

The scientist has published frequently in venues such as PubMed, PLoS ONE, Nutrition, Cancer Science, and Scientific Reports.

Some of their recent papers include:

  • "Assessing risk factors and impact of cyberbullying victimization among university students in Myanmar: A cross-sectional study" (2020), published in PLoS ONE
  • "Prevalence of alcohol consumption and its risk factors among university students: A cross-sectional study across six universities in Myanmar" (2020), published in PLoS ONE
  • "Prevalence and risk factors of anxiety and depression among the community-dwelling elderly in Nay Pyi Taw Union Territory, Myanmar" (2021), published in Scientific Reports
  • "Assessment of quality of life among elderly in urban and peri-urban areas, Yangon Region, Myanmar" (2020), published in PLoS ONE
  • "Associations between diet and mental health using the 12-item General Health Questionnaire: cross-sectional and prospective analyses from the Japan Multi-Institutional Collaborative Cohort Study" (2020), published in Nutrition Journal

Throughout their career, Nobuyuki Hamajima has frequently collaborated with several researchers, including:

  • Eiko Yamamoto
  • Tetsuyoshi Kariya
  • Yu Mon Saw
  • Hiroya Yamada
  • Yoshitaka Ando

Best Publications

  • Alcohol, tobacco and breast cancer - Collaborative reanalysis of individual data from 53 epidemiological studies, including 58 515 women with breast cancer and 95 067 women without the disease

    N Hamajima;K Hirose;K Tajima;T Rohan

  • A randomized trial of adjuvant chemotherapy with uracil-tegafur for adenocarcinoma of the lung

    Harubumi Kato;Yukito Ichinose;Morio Ohta;Enjo Hata

  • Menarche, menopause, and breast cancer risk: Individual participant meta-analysis, including 118 964 women with breast cancer from 117 epidemiological studies

    N. Hamajima;K. Hirose;K. Tajima;T. Rohan

  • The clinical significance of human leukocyte antigen (HLA) allele compatibility in patients receiving a marrow transplant from serologically HLA-A, HLA-B, and HLA-DR matched unrelated donors.

    Yasuo Morishima;Takehiko Sasazuki;Hidetoshi Inoko;Takeo Juji

  • Psychological effects of forest environments on healthy adults: Shinrin-yoku (forest-air bathing, walking) as a possible method of stress reduction.

    E. Morita;S. Fukuda;J. Nagano;N. Hamajima

  • Type and timing of menopausal hormone therapy and breast cancer risk: individual participant meta-analysis of the worldwide epidemiological evidence

    N. Hamajima;K. Hirose;K. Tajima;T. Rohan

  • Common defects of ABCG2, a high-capacity urate exporter, cause gout: A function-based genetic analysis in a Japanese population

    Hirotaka Matsuo;Tappei Takada;Kimiyoshi Ichida;Kimiyoshi Ichida;Takahiro Nakamura

  • Oral health status and health-related quality of life: a systematic review

    Mariko Naito;Hidemichi Yuasa;Yoshiaki Nomura;Takeo Nakayama

  • A Large‐scale, Hospital‐based Case‐Control Study of Risk Factors of Breast Cancer According to Menopausal Status

    Kaoru Hirose;Kazuo Tajima;Nobuyuki Hamajima;Manami Inoue

  • Prognostic significance of p53 alterations in patients with non-small cell lung cancer: a meta-analysis.

    T. Mitsudomi;N. Hamajima;M. Ogawa;T. Takahashi

  • Associations between circulating microRNAs (miR-21, miR-34a, miR-122 and miR-451) and non-alcoholic fatty liver.

    Hiroya Yamada;Koji Suzuki;Naohiro Ichino;Yoshitaka Ando

  • Tea and coffee consumption and the risk of digestive tract cancers: data from a comparative case-referent study in Japan.

    M. Inoue;K. Tajima;K. Hirose;N. Hamajima

  • Polymerase chain reaction with confronting two-pair primers for polymorphism genotyping

    Nobuyuki Hamajima;Toshiko Saito;Keitaro Matsuo;Ken Ichi Kozaki

  • Gene–environment interaction between an aldehyde dehydrogenase-2 (ALDH2) polymorphism and alcohol consumption for the risk of esophageal cancer

    Keitaro Matsuo;Nobuyuki Hamajima;Masayuki Shinoda;Shunzo Hatooka

  • Association between polymorphisms of folate- and methionine-metabolizing enzymes and susceptibility to malignant lymphoma

    Keitaro Matsuo;Ritsuro Suzuki;Nobuyuki Hamajima;Michinori Ogura

  • Prognostic significance of CD56 expression for ALK-positive and ALK-negative anaplastic large-cell lymphoma of T/null cell phenotype

    Ritsuro Suzuki;Yoshitoyo Kagami;Kengo Takeuchi;Masahiro Kami

  • The Japan Multi-Institutional Collaborative Cohort Study (J-MICC Study) to detect gene-environment interactions for cancer.

    Nobuyuki Hamajima;Kenji Wakai;Mariko Naito;Kazuko Nishio

  • Myelodysplastic syndrome and acute myelogenous leukemia as a late clonal complication in children with acquired aplastic anemia.

    Akira Ohara;Seiji Kojima;Nobuyuki Hamajima;Masahiro Tsuchida

  • Regular consumption of green tea and the risk of breast cancer recurrence: follow-up study from the Hospital-based Epidemiologic Research Program at Aichi Cancer Center (HERPACC), Japan

    Manami Inoue;Kazuo Tajima;Mitsuhiro Mizutani;Hiroji Iwata

  • Gene-environment Interactions and Polymorphism Studies of Cancer Risk in the Hospital-based Epidemiologic Research Program at Aichi Cancer Center II (HERPACC-II).

    Nobuyuki Hamajima;Keitaro Matsuo;Toshiko Saito;Kaoru Hirose

Frequent Co-Authors

Kenji Wakai
Kenji Wakai Nagoya University
Keitaro Matsuo
Keitaro Matsuo Nagoya University
Kazuo Tajima
Kazuo Tajima Kagoshima University
Akiko Tamakoshi
Akiko Tamakoshi Hokkaido University
Manami Inoue
Manami Inoue National Cancer Centre
Yasuo Morishima
Yasuo Morishima Aichi Medical University
Ritsuro Suzuki
Ritsuro Suzuki Shimane University
Hiroji Iwata
Hiroji Iwata Aichi Cancer Center
Shigeo Nakamura
Shigeo Nakamura Nagoya University

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