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D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Chemistry 45 16312 14721 1286 1166 450 8874

Masahiko Iyoda publications per year

The chart shows the history of publications by Masahiko Iyoda between 1972 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Masahiko Iyoda published across 54 years, from 1972 to 2025, averaging 8.5 papers a year. Output peaked at 43 publications in 2010. 1 of the 459 publications appeared in the last two years.

No. of publications
10 20 30 40
Bar chart. Horizontal axis: year, 1972 to 2025. Vertical axis: number of publications, 0 to 43. Peak 43 publications in 2010. 1972: 4 publications 1973: 3 publications 1974: 4 publications 1975: 9 publications 1976: 7 publications 1977: 0 publications 1978: 5 publications 1979: 10 publications 1980: 3 publications 1981: 15 publications 1982: 10 publications 1983: 11 publications 1984: 5 publications 1985: 12 publications 1986: 10 publications 1987: 7 publications 1988: 7 publications 1989: 6 publications 1990: 10 publications 1991: 7 publications 1992: 9 publications 1993: 10 publications 1994: 13 publications 1995: 16 publications 1996: 8 publications 1997: 21 publications 1998: 7 publications 1999: 11 publications 2000: 19 publications 2001: 16 publications 2002: 9 publications 2003: 6 publications 2004: 13 publications 2005: 5 publications 2006: 7 publications 2007: 12 publications 2008: 6 publications 2009: 11 publications 2010: 43 publications 2011: 12 publications 2012: 7 publications 2013: 8 publications 2014: 4 publications 2015: 9 publications 2016: 3 publications 2017: 5 publications 2018: 5 publications 2019: 3 publications 2020: 4 publications 2021: 3 publications 2022: 3 publications 2023: 5 publications 2024: 0 publications 2025: 1 publication
1972 2025

459 publications in total across all disciplines

View publications per year as a table
Masahiko Iyoda: publications per year, 1972 to 2025
Year Publications
1972 4
1973 3
1974 4
1975 9
1976 7
1977 0
1978 5
1979 10
1980 3
1981 15
1982 10
1983 11
1984 5
1985 12
1986 10
1987 7
1988 7
1989 6
1990 10
1991 7
1992 9
1993 10
1994 13
1995 16
1996 8
1997 21
1998 7
1999 11
2000 19
2001 16
2002 9
2003 6
2004 13
2005 5
2006 7
2007 12
2008 6
2009 11
2010 43
2011 12
2012 7
2013 8
2014 4
2015 9
2016 3
2017 5
2018 5
2019 3
2020 4
2021 3
2022 3
2023 5
2024 0
2025 1
Total 459
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Masahiko Iyoda 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 Masahiko Iyoda 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, 441–460 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: 450 publications — 85th percentile

85% 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
441–460 270 450
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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Masahiko Iyoda 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 Masahiko Iyoda 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, 44–45 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: 45 D-Index — 10th percentile

10% 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 45
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
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

Masahiko Iyoda is affiliated with Tokyo Metropolitan University in Japan and has a focus on materials science, with a significant number of publications in materials chemistry and organic chemistry. Their work also spans subfields such as polymers and plastics, biomedical engineering, and electrical and electronic engineering.

Their research topics cover a range of subjects related to crystallization and solubility studies, X-ray diffraction in crystallography, and the synthesis and properties of aromatic compounds. Other areas of interest include conducting polymers and their applications, surface chemistry and catalysis, luminescence and fluorescent materials, and molecular junctions and nanostructures.

Masahiko Iyoda's recent publications include:

  • Preparation, Spectroscopic Characterization and Theoretical Study of a Three-Dimensional Conjugated 70 π-Electron Thiophene 6-mer Radical Cation π-Dimer, 2020, Journal of the American Chemical Society
  • Trapping a pentagonal molecule in a self-assembled molecular network: an alkoxylated isosceles triangular molecule does the job, 2020, Chemical Communications
  • Reduction of Ethynylenes to Vinylenes in a Macrocyclic π-Extended Thiophene Skeleton Under McMurry Coupling Conditions, 2020, The Journal of Organic Chemistry
  • Exopolysaccharides from Lactobacillus delbrueckii ssp. bulgaricus OLL1073R-1 prevent influenza virus infection and attenuate secondary bacterial infection risk, 2022, Letters in Applied Microbiology
  • Reversible Color and Shape Changes of Nanostructured Fibers of a Macrocyclic π-Extended Thiophene Hexamer Promoted by Adsorption and Desorption of Organic Vapor, 2020, Journal of the American Chemical Society

The frequent coauthors collaborating with Masahiko Iyoda include Shinobu Aoyagi, Hiroyuki Otani, Yoshiyuki Kuwatani, Tohru Nishinaga, and Masashi Hasegawa.

Their publications appear in venues such as The Cambridge Structural Database, Journal of the American Chemical Society, Chemical Communications, The Journal of Organic Chemistry, and Letters in Applied Microbiology.

Best Publications

  • Conjugated Macrocycles: Concepts and Applications

    Unknown

  • Homocoupling of Aryl Halides Using Nickel(II) Complex and Zinc in the Presence of Et4NI. An Efficient Method for the Synthesis of Biaryls and Bipyridines

    Masahiko Iyoda;Hiroki Otsuka;Koichi Sato;Nobue Nisato

  • Bi-TTF, bis-TTF, and related TTF oligomers.

    Masahiko Iyoda;Masashi Hasegawa;Yoshihiro Miyake

  • Giant macrocycles composed of thiophene, acetylene, and ethylene building blocks.

    Kazumi Nakao;Masayuki Nishimura;Tomoya Tamachi;Yoshiyuki Kuwatani

  • Giant Thienylene-Acetylene-Ethylene Macrocycles with Large Two-Photon Absorption Cross Section and Semishape-Persistence

    Michele Williams-Harry;Ajit Bhaskar;Guda Ramakrishna;Theodore Goodson

  • Conducting supramolecular nanofibers and nanorods

    Masashi Hasegawa;Masahiko Iyoda

  • Molecular metals with ferromagnetic interaction between localized magnetic moments

    J. Nishijo;E. Ogura;J. Yamaura;A. Miyazaki

  • Reaction of C60 with diacyl peroxides containing perfluoroalkyl groups. The first example of electron transfer reaction via C60 +· in solution

    Masato Yoshida;Yoshihiro Morinaga;Masahiko Iyoda;Koichi Kikuchi

  • Konjugierte Makrocyclen: Konzepte und Anwendungen

    Masahiko Iyoda;Jun Yamakawa;M. Jalilur Rahman

  • Cyclic tetrathiophenes planarized by silicon and sulfur bridges bearing antiaromatic cyclooctatetraene core: syntheses, structures, and properties.

    Takeshi Ohmae;Tohru Nishinaga;Mo Wu;Masahiko Iyoda

  • Multifunctional π-expanded oligothiophene macrocycles

    Unknown

  • A new approach to the construction of radialenes by the nickel-catalyzed cyclooligomerization of [3]cumulenes (butatrienes)

    Masahiko. Iyoda;Shigeyoshi. Tanaka;Hiroyuki. Otani;Masanori. Nose

  • Antiaromatic planar cyclooctatetraene: a strategy for developing ambipolar semiconductors for field effect transistors

    Tohru Nishinaga;Takeshi Ohmae;Kazunari Aita;Masayoshi Takase

  • Recent Studies on the Aromaticity and Antiaromaticity of Planar Cyclooctatetraene

    Tohru Nishinaga;Takeshi Ohmae;Masahiko Iyoda

  • Synthesis of tris(tetrathiafulvaleno)dodecadehydro- [18]annulenes and their self-assembly.

    Hideo Enozawa;Masashi Hasegawa;Daikou Takamatsu;‡ and Ken-ichi Fukui

  • Structural, Optical, and Electronic Properties of a Series of 3,4-Propylenedioxythiophene Oligomers in Neutral and Various Oxidation States

    Chuanwen Lin;Takanori Endo;Masayoshi Takase;Masahiko Iyoda

  • Efficient construction of biaryls and macrocyclic cyclophanes via electron-transfer oxidation of lipshutz cuprates

    Yoshihiro Miyake;Mo Wu;M Jalilur Rahman;Yoshiyuki Kuwatani

  • Self-assembly and Nanostructure Formation of Multi-functional Organic π-Donors

    Masahiko Iyoda;Masashi Hasegawa;Hideo Enozawa

  • Octaphenyl[4]radialene.

    M. Iyoda;H. Otani;M. Oda;Y. Kai

  • A cyclic oligophenylene containing two 1,8-naphthalene units bridged by two face-to-face biphenyl linkages exhibiting unusual strain and pi-pi interaction

    Masahiko Iyoda;Terumasa Kondo;Kazumi Nakao;Kenji Hara

  • Hexagonally ordered nanostructures comprised of a flexible disk-like molecule with high self-assembling properties at neutral and cationic states.

    Masashi Hasegawa;Hideo Enozawa;Youhei Kawabata;Masahiko Iyoda

  • Palladium-catalysed coupling of trialkylstannyltetrathiafulvalenes with aryl halides

    Masahiko Iyoda;Yoshiyuki Kuwatani;Nubuhiko Ueno;Masaji Oda

Frequent Co-Authors

Toshiaki Enoki
Toshiaki Enoki Tokyo Institute of Technology
Yoshihiro Miyake
Yoshihiro Miyake Nagoya University
Dongho Kim
Dongho Kim Yonsei University
Kenji Kamada
Kenji Kamada National Institute of Advanced Industrial Science and Technology
Koichi Kikuchi
Koichi Kikuchi Tokyo Metropolitan University
Yoshio Aso
Yoshio Aso Osaka University
Jun-Ichi Yamaura
Jun-Ichi Yamaura Tokyo Institute of Technology
Akira Miyazaki
Akira Miyazaki Showa University
Kenichiro Nakashima
Kenichiro Nakashima Nagasaki University
Jürgen P. Rabe
Jürgen P. Rabe Humboldt-Universität zu Berlin

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