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Hiroshi Naganawa

Hiroshi Naganawa

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Chemistry 66 7376 6684 485 455 434 13985
Biology and Biochemistry 66 8774 8093 589 555 429 13902

Hiroshi Naganawa publications per year

The chart shows the history of publications by Hiroshi Naganawa between 1963 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Hiroshi Naganawa published across 63 years, from 1963 to 2025, averaging 7.6 papers a year. Output peaked at 22 publications in 1988. 4 of the 481 publications appeared in the last two years.

No. of publications
5 10 15 20
Bar chart. Horizontal axis: year, 1963 to 2025. Vertical axis: number of publications, 0 to 22. Peak 22 publications in 1988. 1963: 1 publication 1964: 3 publications 1965: 1 publication 1966: 0 publications 1967: 0 publications 1968: 3 publications 1969: 1 publication 1970: 3 publications 1971: 9 publications 1972: 8 publications 1973: 2 publications 1974: 7 publications 1975: 8 publications 1976: 7 publications 1977: 20 publications 1978: 11 publications 1979: 8 publications 1980: 11 publications 1981: 19 publications 1982: 12 publications 1983: 5 publications 1984: 17 publications 1985: 18 publications 1986: 19 publications 1987: 13 publications 1988: 22 publications 1989: 16 publications 1990: 18 publications 1991: 21 publications 1992: 21 publications 1993: 19 publications 1994: 16 publications 1995: 17 publications 1996: 19 publications 1997: 13 publications 1998: 18 publications 1999: 11 publications 2000: 17 publications 2001: 13 publications 2002: 9 publications 2003: 5 publications 2004: 6 publications 2005: 4 publications 2006: 0 publications 2007: 0 publications 2008: 1 publication 2009: 0 publications 2010: 1 publication 2011: 0 publications 2012: 0 publications 2013: 1 publication 2014: 0 publications 2015: 0 publications 2016: 1 publication 2017: 0 publications 2018: 1 publication 2019: 0 publications 2020: 0 publications 2021: 0 publications 2022: 0 publications 2023: 1 publication 2024: 2 publications 2025: 2 publications
1963 2025

481 publications in total across all disciplines

View publications per year as a table
Hiroshi Naganawa: publications per year, 1963 to 2025
Year Publications
1963 1
1964 3
1965 1
1966 0
1967 0
1968 3
1969 1
1970 3
1971 9
1972 8
1973 2
1974 7
1975 8
1976 7
1977 20
1978 11
1979 8
1980 11
1981 19
1982 12
1983 5
1984 17
1985 18
1986 19
1987 13
1988 22
1989 16
1990 18
1991 21
1992 21
1993 19
1994 16
1995 17
1996 19
1997 13
1998 18
1999 11
2000 17
2001 13
2002 9
2003 5
2004 6
2005 4
2006 0
2007 0
2008 1
2009 0
2010 1
2011 0
2012 0
2013 1
2014 0
2015 0
2016 1
2017 0
2018 1
2019 0
2020 0
2021 0
2022 0
2023 1
2024 2
2025 2
Total 481
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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.

No. of scientists
250 500 750 1,000 1,250
Bar chart with 63 bars. Horizontal axis: publications, 61–80 to 1,295+. Vertical axis: number of scientists, 0 to 1,350. Most scientists, 1,350, have 161–180 publications. The last bar groups every scientist with 1,295 publications or more. The highlighted bar, 421–440 publications, is where this scientist sits. 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
61–80 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.

View publications distribution as a table
Number of Chemistry scientists by publication count, Research.com 2026 ranking edition. Based on 17,934 ranked scientists.
Publications Scientists This scientist
61–80 66
81–100 302
101–120 623
121–140 918
141–160 1,218
161–180 1,350
181–200 1,344
201–220 1,281
221–240 1,216
241–260 1,100
261–280 979
281–300 939
301–320 764
321–340 643
341–360 628
361–380 522
381–400 459
401–420 397
421–440 327 434
441–460 270
461–480 265
481–500 252
501–520 201
521–540 185
541–560 148
561–580 148
581–600 132
601–620 114
621–640 104
641–660 91
661–680 92
681–700 73
701–720 57
721–740 54
741–760 67
761–780 45
781–800 46
801–820 39
821–840 32
841–860 36
861–880 29
881–900 26
901–920 24
921–940 14
941–960 23
961–980 28
981–1,000 15
1,001–1,020 29
1,021–1,040 12
1,041–1,060 19
1,061–1,080 12
1,081–1,100 6
1,101–1,120 8
1,121–1,140 12
1,141–1,160 5
1,161–1,180 6
1,181–1,200 14
1,201–1,220 7
1,221–1,240 2
1,241–1,260 6
1,261–1,280 4
1,281–1,294 6
1,295+ 100
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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.

No. of scientists
250 500 750 1,000
Bar chart with 61 bars. Horizontal axis: D-Index, 40–41 to 159+. Vertical axis: number of scientists, 0 to 1,051. Most scientists, 1,051, have 56–57 D-Index. The last bar groups every scientist with 159 D-Index or more. The highlighted bar, 66–67 D-Index, is where this scientist sits. 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
40–41 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.

View D-Index distribution as a table
Number of Chemistry scientists by D-index, Research.com 2026 ranking edition. Based on 17,934 ranked scientists.
D-Index Scientists This scientist
40–41 289
42–43 612
44–45 808
46–47 776
48–49 835
50–51 861
52–53 872
54–55 933
56–57 1,051
58–59 930
60–61 882
62–63 834
64–65 731
66–67 775 66
68–69 683
70–71 646
72–73 561
74–75 501
76–77 437
78–79 388
80–81 354
82–83 292
84–85 275
86–87 254
88–89 235
90–91 185
92–93 192
94–95 155
96–97 163
98–99 125
100–101 105
102–103 105
104–105 112
106–107 88
108–109 68
110–111 69
112–113 65
114–115 79
116–117 61
118–119 44
120–121 37
122–123 40
124–125 33
126–127 26
128–129 34
130–131 35
132–133 25
134–135 27
136–137 17
138–139 16
140–141 20
142–143 20
144–145 15
146–147 9
148–149 9
150–151 16
152–153 11
154–155 9
156–157 3
158 3
159+ 98
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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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