World's Best Scientists 2026 revealed!
Hiroshi Naganawa

Hiroshi Naganawa

D-Index & Metrics

Biology and Biochemistry

D-Index
66
Citations
13902
World Ranking
8776
National Ranking
590

Chemistry

D-Index
66
Citations
13985
World Ranking
7376
National Ranking
485

Hiroshi Naganawa publication distribution in Chemistry in 2026

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

61–80 publications: 66 scientists 81–100 publications: 302 scientists 101–120 publications: 623 scientists 121–140 publications: 918 scientists 141–160 publications: 1,218 scientists 161–180 publications: 1,350 scientists 181–200 publications: 1,344 scientists 201–220 publications: 1,281 scientists 221–240 publications: 1,216 scientists 241–260 publications: 1,100 scientists 261–280 publications: 979 scientists 281–300 publications: 939 scientists 301–320 publications: 764 scientists 321–340 publications: 643 scientists 341–360 publications: 628 scientists 361–380 publications: 522 scientists 381–400 publications: 459 scientists 401–420 publications: 397 scientists 421–440 publications: 327 scientists 441–460 publications: 270 scientists 461–480 publications: 265 scientists 481–500 publications: 252 scientists 501–520 publications: 201 scientists 521–540 publications: 185 scientists 541–560 publications: 148 scientists 561–580 publications: 148 scientists 581–600 publications: 132 scientists 601–620 publications: 114 scientists 621–640 publications: 104 scientists 641–660 publications: 91 scientists 661–680 publications: 92 scientists 681–700 publications: 73 scientists 701–720 publications: 57 scientists 721–740 publications: 54 scientists 741–760 publications: 67 scientists 761–780 publications: 45 scientists 781–800 publications: 46 scientists 801–820 publications: 39 scientists 821–840 publications: 32 scientists 841–860 publications: 36 scientists 861–880 publications: 29 scientists 881–900 publications: 26 scientists 901–920 publications: 24 scientists 921–940 publications: 14 scientists 941–960 publications: 23 scientists 961–980 publications: 28 scientists 981–1,000 publications: 15 scientists 1,001–1,020 publications: 29 scientists 1,021–1,040 publications: 12 scientists 1,041–1,060 publications: 19 scientists 1,061–1,080 publications: 12 scientists 1,081–1,100 publications: 6 scientists 1,101–1,120 publications: 8 scientists 1,121–1,140 publications: 12 scientists 1,141–1,160 publications: 5 scientists 1,161–1,180 publications: 6 scientists 1,181–1,200 publications: 14 scientists 1,201–1,220 publications: 7 scientists 1,221–1,240 publications: 2 scientists 1,241–1,260 publications: 6 scientists 1,261–1,280 publications: 4 scientists 1,281–1,294 publications: 6 scientists 1,295+ publications: 100 scientists
61 publications 1,295+

This scientist: 434 publications — 83rd percentile

83% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 1,295 publications or more.

Hiroshi Naganawa D-index placement in Chemistry in 2026

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

40–41 D-Index: 289 scientists 42–43 D-Index: 612 scientists 44–45 D-Index: 808 scientists 46–47 D-Index: 776 scientists 48–49 D-Index: 835 scientists 50–51 D-Index: 861 scientists 52–53 D-Index: 872 scientists 54–55 D-Index: 933 scientists 56–57 D-Index: 1,051 scientists 58–59 D-Index: 930 scientists 60–61 D-Index: 882 scientists 62–63 D-Index: 834 scientists 64–65 D-Index: 731 scientists 66–67 D-Index: 775 scientists 68–69 D-Index: 683 scientists 70–71 D-Index: 646 scientists 72–73 D-Index: 561 scientists 74–75 D-Index: 501 scientists 76–77 D-Index: 437 scientists 78–79 D-Index: 388 scientists 80–81 D-Index: 354 scientists 82–83 D-Index: 292 scientists 84–85 D-Index: 275 scientists 86–87 D-Index: 254 scientists 88–89 D-Index: 235 scientists 90–91 D-Index: 185 scientists 92–93 D-Index: 192 scientists 94–95 D-Index: 155 scientists 96–97 D-Index: 163 scientists 98–99 D-Index: 125 scientists 100–101 D-Index: 105 scientists 102–103 D-Index: 105 scientists 104–105 D-Index: 112 scientists 106–107 D-Index: 88 scientists 108–109 D-Index: 68 scientists 110–111 D-Index: 69 scientists 112–113 D-Index: 65 scientists 114–115 D-Index: 79 scientists 116–117 D-Index: 61 scientists 118–119 D-Index: 44 scientists 120–121 D-Index: 37 scientists 122–123 D-Index: 40 scientists 124–125 D-Index: 33 scientists 126–127 D-Index: 26 scientists 128–129 D-Index: 34 scientists 130–131 D-Index: 35 scientists 132–133 D-Index: 25 scientists 134–135 D-Index: 27 scientists 136–137 D-Index: 17 scientists 138–139 D-Index: 16 scientists 140–141 D-Index: 20 scientists 142–143 D-Index: 20 scientists 144–145 D-Index: 15 scientists 146–147 D-Index: 9 scientists 148–149 D-Index: 9 scientists 150–151 D-Index: 16 scientists 152–153 D-Index: 11 scientists 154–155 D-Index: 9 scientists 156–157 D-Index: 3 scientists 158 D-Index: 3 scientists 159+ D-Index: 98 scientists
40 D-Index 159+

This scientist: 66 D-Index — 60th percentile

60% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 159 D-Index or more.

Overview

Hiroshi Naganawa is a researcher affiliated with Keio University in Japan specializing in medicine, with a primary focus on cardiology and cardiovascular medicine. Their work spans a range of topics centered on cardiac arrhythmias, pacing, and treatments related to atrial fibrillation and other cardiac conduction issues.

The main topics covered in Naganawa's research include:

  • Cardiac Arrhythmias and Treatments
  • Cardiac pacing and defibrillation studies
  • Atrial Fibrillation Management and Outcomes
  • Muscle activation and electromyography studies
  • Wireless Power Transfer Systems

Their publication record includes papers predominantly published in the journal EP Europace, with one paper appearing in the European Heart Journal. The frequent venues are:

  • EP Europace
  • European Heart Journal

Frequent collaborators in their work include:

  • Daisuke Yoshimoto
  • Yuichiro Sakamoto
  • Ryo Yamaguchi
  • Takahiko Suzuki
  • Yuko Uemura

Among their recent research publications are:

  • "Effectiveness and safety of automatic capture management via remote monitoring system in left bundle branch area pacing" (2023, EP Europace)
  • "Injury to the sinus nodal artery during radiofrequency ablation of atrial fibrillation and atrial tachycardia: its prevalence and treatment with percutaneous coronary intervention" (2024, EP Europace)
  • "Verification of intra- and inter-atrial conduction during Bachmann's bundle pacing using longitudinal bi-atrial strain" (2024, European Heart Journal)
  • "The efficacy of ablation at the entrance site of the epicardial circuit of atrial tachycardia" (2025, EP Europace)
  • "A novel approach for Bachmann's bundle pacing implantation with the lumenless, catheter-delivered pacing lead" (2025, EP Europace)

The research indicates a focus on electrophysiological interventions, pacing techniques, and ablation therapies designed to manage and treat complex cardiac arrhythmias. Their work addresses both the diagnostic aspects, such as conduction verification, and therapeutic advances, including remote monitoring and novel pacing lead implantation methods.

In addition to core cardiology research, Naganawa has contributed to studies in biomedical engineering and electrical and electronic engineering, indicating an interdisciplinary approach that supports innovations in cardiac device technology and treatment modalities.

Best Publications

  • Isolation of a novel tyrosine kinase inhibitor, lavendustin A, from Streptomyces griseolavendus

    Toshihiko Onoda;Hironobu Iinuma;Yumi Sasaki;Masa Hamada

  • New antitumor antibiotics aclacinomycins A and B.

    Toshikazu Oki;Yasue Matsuzawa;Akihiro Yoshimoto;Kenji Numata

  • A new antitumor antibiotic, spergualin: isolation and antitumor activity.

    Tomio Takeuchi;Hironobu Iinuma;Setsuko Kunimoto;Toru Masuda

  • Tetrahydropyranyl Derivatives of Daunomycin and Adriamycin

    Hamao Umezawa;Yoshikazu Takahashi;Mitsuhiro Kinoshita;Hiroshi Naganawa

  • Bacilysocin, a Novel Phospholipid Antibiotic Produced by Bacillus subtilis 168

    Norimasa Tamehiro;Yoshiko Okamoto-Hosoya;Susumu Okamoto;Makoto Ubukata

  • Diprotins A and B, inhibitors of dipeptidyl aminopeptidase IV, produced by bacteria.

    Hamao Umezawa;Takaaki Aoyagi;Keiji Ogawa;Hiroshi Naganawa

  • Caprazamycin B, a novel anti-tuberculosis antibiotic, from Streptomyces sp.

    Masayuki Igarashi;Naoko Nakagawa;Norio Doi;Seiko Hattori

  • Chemistry of bleomycin. XIX Revised structures of bleomycin and phleomycin.

    Tomohisa Takita;Yasuhiko Muraoka;Tokuji Nakatani;Akio Fujii

  • Production, isolation and structure determination of a novel beta-glucosidase inhibitor, cyclophellitol, from Phellinus sp.

    Sonoko Atsumi;Kazuo Umezawa;Hironobu Iinuma;Hiroshi Naganawa

  • VALILACTONE, AN INHIBITOR OF ESTERASE, PRODUCED BY ACTINOMYCETES

    Mikio Kitahara;Masaaki Asano;Hiroshi Naganawa;Kenji Maeda

  • Caprazamycins, novel lipo-nucleoside antibiotics, from Streptomyces sp. II. Structure elucidation of caprazamycins.

    Masayuki Igarashi;Yoshiaki Takahashi;Tetsuo Shitara;Hikaru Nakamura

  • NEW ANTIFUNGAL ANTIBIOTICS, BENANOMICINS A AND B FROM AN ACTINOMYCETE

    Tomio Takeuchi;Takeshi Hara;Hiroshi Naganawa;Mayumi Okada

  • A new antibiotic, negamycin.

    Masa Hamada;Tomio Tadeuchi;Shinichi Kondo;Yoko Ikeda

  • Plipastatins: new inhibitors of phospholipase A2, produced by Bacillus cereus BMG302-fF67. III. Structural elucidation of plipastatins.

    Takaaki Nishikiori;Hiroshi Naganawa;Yasuhiko Muraoka;Takaaki Aoyagi

  • Production of actinonin, an inhibitor of aminopeptidase M, by actinomycetes.

    Hamao Umezawa;Takaaki Aoyagi;Toshiyuki Tanaka;Hiroyuki Suda

  • Bisucaberin, a new siderophore, sensitizing tumor cells to macrophage-mediated cytolysis. II. Physico-chemical properties and structure determination.

    Atsushi Takahashi;Hikaru Nakamura;Toshiyuki Kameyama;Shogo Kurasawa

  • Structure of aureobasidin A.

    Katsushige Ikai;Kazutoh Takesako;Kazuro Shiomi;Makoto Moriguchi

  • The structure of nagstatin, a new inhibitor of N-acetyl-beta-D-glucosaminidase.

    T Aoyama;H Naganawa;H Suda;K Uotani

  • Chemistry of bleomycin. XVIII. carbon-13 NMR studies.

    Hiroshi Naganawa;Yasuhiko Muraoka;Tomohisa Takita;Hamao Umezawa

  • Antitumor anthracycline antibiotics, aclacinomycin a and analogues. II. Structural determination.

    Toshikazu Oki;Iwao Kitamura;Yasue Matsuzawa;Norio Shibamoto

  • Caprazamycins, Novel Lipo-nucleoside Antibiotics, from Streptomyces sp.

    Masayuki Igarashi;Yoshiaki Takahashi;Tetsuo Shitara;Hikaru Nakamura

Frequent Co-Authors

Tomio Takeuchi
Tomio Takeuchi Keio University
Masa Hamada
Masa Hamada Keio University
Hamao Umezawa
Hamao Umezawa National Institutes of Health
Yoichi Iitaka
Yoichi Iitaka University of Tokyo
Kazuo Umezawa
Kazuo Umezawa Aichi Medical University
Toshikazu Oki
Toshikazu Oki Toyama Prefectural University
Munekazu Iinuma
Munekazu Iinuma Gifu Pharmaceutical University
Toshiyuki Tanaka
Toshiyuki Tanaka Hyogo University of Health Sciences
Kazuro Shiomi
Kazuro Shiomi Kitasato University
Toshiyuki Tanaka
Toshiyuki Tanaka Kyoto University

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