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Chemistry
Japan
2026

D-Index & Metrics

Chemistry

D-Index
94
Citations
30696
World Ranking
1714
National Ranking
88

Nagao Kobayashi 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 Nagao Kobayashi 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: 699 publications — 96th percentile

96% of scientists in this discipline score the same or lower.

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

Nagao Kobayashi 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 Nagao Kobayashi 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: 94 D-Index — 91st percentile

91% of scientists in this discipline score the same or lower.

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

Research.com Recognitions

  • 2026 - Research.com Chemistry in Japan Leader Award
  • 2025 - Research.com Chemistry in Japan Leader Award
  • 2022 - Research.com Chemistry in Japan Leader Award

Overview

Nagao Kobayashi is affiliated with the Tokyo Institute of Technology in Japan. Their research is centered primarily within the fields of Materials Science and Chemistry, with a significant emphasis on Materials Chemistry and Organic Chemistry as key subfields. Additional subfields include Molecular Biology, Electronic, Optical and Magnetic Materials, and Spectroscopy.

Their work covers various topics, prominently focusing on Crystallization and Solubility Studies, X-ray Diffraction in Crystallography, and Porphyrin and Phthalocyanine Chemistry. Other important areas of study include the Synthesis and Properties of Aromatic Compounds, Luminescence and Fluorescent Materials, Photosynthetic Processes and Mechanisms, and Photochromic and Fluorescence Chemistry.

Notable recent papers authored by collaborators connected to Kobayashi include:

  • Synthesis and Characterization of Peralkylated Pyrrole-Fused Azacoronene, 2021, The Journal of Organic Chemistry
  • Radially π-Extended Pyrrole-Fused Azacoronene: A Series of Crystal Structures of HPHAC with Various Oxidation States, 2021, The Journal of Organic Chemistry
  • Triangular Expanded Hemiporphyrazines: Electronic Structures and Nanoscale Characterization of Their Adlayers on Au(111), 2020, Bulletin of the Chemical Society of Japan
  • 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
  • Dianion and Dication of Tetracyclopentatetraphenylene as Decoupled Annulene-within-an-Annulene Models, 2021, Angewandte Chemie International Edition

Kobayashi has frequently published in several academic venues, including:

  • The Cambridge Structural Database (42 publications)
  • Journal of Porphyrins and Phthalocyanines (10 publications)
  • Organic Letters (8 publications)
  • Bulletin of the Chemical Society of Japan (5 publications)
  • Angewandte Chemie International Edition (4 publications)

Frequent coauthors associated with Kobayashi's research include Masayoshi Takase, Hidemitsu Uno, Tetsuo Okujima, Shigeki Mori, and Atsuya Muranaka, indicating collaborative research partnerships across multiple projects.

Best Publications

  • Observation of two charged bottomoniumlike resonances in Υ(5S) decays.

    A. Bondar;A. Garmash;R. Mizuk;D. Santel

  • Low Symmetry Phthalocyanines and Their Analogues

    John Mack;Nagao Kobayashi

  • Effect of peripheral substitution on the electronic absorption and fluorescence spectra of metal-free and zinc phthalocyanines.

    Nagao Kobayashi;Hiroshi Ogata;Naokazu Nonaka;Eugene A. Luk'yanets

  • Electron-Transfer Reactions Associated with Host-Guest Complexation. Oxidation of Ferrocenecarboxylic Acid in the Presence of β-Cyclodextrin

    Tomokazu Matsue;Dennis H. Evans;Tetsuo Osa;Nagao Kobayashi

  • Cation or solvent-induced supermolecular phthalocyanine formation: crown ether substituted phthalocyanines

    Nagao Kobayashi;A. B. P. Lever

  • Optically Active Porphyrin and Phthalocyanine Systems

    Hua Lu;Nagao Kobayashi

  • Application of MCD spectroscopy to porphyrinoids

    John Mack;John Mack;Martin J. Stillman;Nagao Kobayashi

  • New Route to Unsymmetrical Phthalocyanine Analogues by the Use of Structurally Distorted Subphthalocyanines

    Nagao Kobayashi;Ryoko Kondo;Shin ichiro Nakajima;Tetsuo Osa

  • Resonance Raman spectroscopy ( n , m ) -dependent effects in small-diameter single-wall carbon nanotubes

    A. Jorio;C. Fantini;M. A. Pimenta;R. B. Capaz

  • Dimers, trimers and oligomers of phthalocyanines and related compounds

    Nagao Kobayashi

  • Halo structure of the island of inversion nucleus 31Ne.

    T Nakamura;N Kobayashi;Y Kondo;Y Satou

  • Structural evolution in the neutron-rich Nuclei Zr106 and Zr108

    T. Sumikama;K. Yoshinaga;H. Watanabe;S. Nishimura

  • Synthesis, Spectroscopy, and Molecular Orbital Calculations of Subazaporphyrins, Subphthalocyanines, Subnaphthalocyanines, and Compounds Derived Therefrom by Ring Expansion1

    Nagao Kobayashi;Takeo Ishizaki;Kazuyuki Ishii;Hideo Konami

  • A directly fused tetrameric porphyrin sheet and its anomalous electronic properties that arise from the planar cyclooctatetraene core.

    Yasuyuki Nakamura;Naoki Aratani;Hiroshi Shinokubo;Akihiko Takagi

  • Family behavior of the optical transition energies in single-wall carbon nanotubes of smaller diameters

    Ge. G. Samsonidze;R. Saito;N. Kobayashi;A. Grüneis;A. Grüneis

  • Synthesis, spectroscopy, electrochemistry, spectroelectrochemistry, Langmuir-Blodgett film formation, and molecular orbital calculations of planar binuclear phthalocyanines

    Nagao Kobayashi;Herman Lam;W. Andrew Nevin;Pavel Janda

  • Bounds on the width, mass difference and other properties of X(3872) → π+ π-J/ψ decays

    S.-K. Choi;S. L. Olsen;K. Trabelsi;I. Adachi

  • Unambiguous identification of Möbius aromaticity for meso-aryl-substituted [28]hexaphyrins(1.1.1.1.1.1).

    Jeyaraman Sankar;Shigeki Mori;Shohei Saito;Harapriya Rath

  • Gram-scale synthesis of nickel(II) norcorrole: the smallest antiaromatic porphyrinoid.

    Tomohiro Ito;Yosuke Hayashi;Soji Shimizu;Ji Young Shin

  • Synthesis, spectroscopy, and electrochemistry of tetra-tert-butylated tetraazaporphyrins, phthalocyanines, naphthalocyanines, and anthracocyanines, together with molecular orbital calculations.

    Nagao Kobayashi;Shin Ichiro Nakajima;Hiroshi Ogata;Takamitsu Fukuda

  • meso‐Aryl Subporphyrins

    Nagao Kobayashi;Yuichi Takeuchi;Atsushi Matsuda

Frequent Co-Authors

John Mack
John Mack Rhodes University
Tetsuo Osa
Tetsuo Osa Tohoku University
K. Kinoshita
K. Kinoshita University of Cincinnati
L. E. Piilonen
L. E. Piilonen Virginia Tech
S. Ogawa
S. Ogawa Toho University
T. Hara
T. Hara Osaka University
Y. B. Hsiung
Y. B. Hsiung National Taiwan University

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