World's Best Scientists 2026 revealed!
Tadashi Sugawara

Tadashi Sugawara

D-Index & Metrics

Chemistry

D-Index
44
Citations
8913
World Ranking
16698
National Ranking
1310

Tadashi Sugawara 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 Tadashi Sugawara 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: 342 publications — 71st percentile

71% of scientists in this discipline score the same or lower.

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

Tadashi Sugawara 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 Tadashi Sugawara 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: 44 D-Index — 7th percentile

7% of scientists in this discipline score the same or lower.

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

Overview

Tadashi Sugawara is affiliated with Kanagawa University in Japan. Their research primarily focuses on the origins and evolution of life, supramolecular self-assembly in materials, and photoreceptor and optogenetics research.

The scientist's recent publications include:

  • "Life" as a dynamic supramolecular system created through constructive approach, 2024, Bulletin of the Chemical Society of Japan
  • Evolution of Proliferative Model Protocells Highly Responsive to the Environment, 2022, Life
  • Colocalization Analysis of Lipo-Deoxyribozyme Consisting of DNA and Protic Catalysts in a Vesicle-Based Protocellular Membrane Investigated by Confocal Microscopy, 2021, Life
  • Environment-Sensitive Intelligent Self-Reproducing Artificial Cell with a Modification-Active Lipo-Deoxyribozyme, 2020, Micromachines
  • Physicochemical Cause and Effect Observed in DNA Length-Dependent Division of Protocell as the Primitive Flow of Information, 2020, Hiroshima University Acedemic Information Repository (Hiroshima University)

The scientist has collaborated frequently with several co-authors, including Muneyuki Matsuo, Kentaro Suzuki, Taro Toyota, Kensuke Kurihara, and Yuiko Hirata.

They have published in various venues, with the most frequent being:

  • Life (2 publications)
  • The Cambridge Structural Database (2 publications)
  • Bulletin of the Chemical Society of Japan (1 publication)
  • Micromachines (1 publication)
  • Hiroshima University Acedemic Information Repository (1 publication)

The main fields of study encompass materials science and physics and astronomy. Within these fields, subfields of particular focus include astronomy and astrophysics, biomaterials, cellular and molecular neuroscience, materials chemistry, and organic chemistry.

The key topics addressed in their work cover:

  • Origins and Evolution of Life
  • Supramolecular Self-Assembly in Materials
  • Photoreceptor and Optogenetics Research
  • Crystallization and Solubility Studies
  • X-ray Diffraction in Crystallography
  • Supramolecular Chemistry and Complexes

Best Publications

  • Self-reproduction of supramolecular giant vesicles combined with the amplification of encapsulated DNA.

    Kensuke Kurihara;Mieko Tamura;Koh-ichiroh Shohda;Taro Toyota

  • Fatty acid chemistry at the oil-water interface: self-propelled oil droplets.

    Martin M. Hanczyc;Taro Toyota;Takashi Ikegami;and Norman Packard

  • Self-Propelled Oil Droplets Consuming Fuel Surfactant

    Taro Toyota;Naoto Maru;Martin M. Hanczyc;Takashi Ikegami

  • Interplay between magnetism and conductivity derived from spin-polarized donor radicals

    Tadashi Sugawara;Hideji Komatsu;Kentaro Suzuki

  • A recursive vesicle-based model protocell with a primitive model cell cycle

    Kensuke Kurihara;Yusaku Okura;Muneyuki Matsuo;Taro Toyota

  • Molecular design and model experiments of ferromagnetic intermolecular interaction in the assembly of high-spin organic molecules. Generation and characterization of the spin states of isomeric bis(phenylmethylenyl)[2.2]paracyclophanes

    Akira Izuoka;Shigeru Murata;Tadashi Sugawara;Hiizu Iwamura

  • Design, preparation, and electron spin resonance detection of a ground-state undecet (S=5) hydrocarbon

    Ikuo Fujita;Yoshio Teki;Takeji Takui;Takamasa Kinoshita

  • A Novel System of Self-Reproducing Giant Vesicles

    Katsuto Takakura;Taro Toyota;Tadashi Sugawara

  • An X-ray crystallographic analysis of a (BEDT-TTF)2C60 charge-transfer complex

    Akira Izuoka;Tatsuya Tachikawa;Tadashi Sugawara;Yumiko Suzuki

  • Hydrogen-Bonded Organic Ferromagnet

    Unknown

  • X-ray magnetic circular dichroism of size-selected, thiolated gold clusters.

    Yuichi Negishi;Hironori Tsunoyama;Motohiro Suzuki;Naomi Kawamura

  • Magnetic behavior of nonet tetracarbene as a model for one-dimensional organic ferromagnets.

    Tadashi. Sugawara;Shunji. Bandow;Keisaku. Kimura;Hiizu. Iwamura

  • Spintronics in organic π-electronic systems

    Tadashi Sugawara;Michio M. Matsushita

  • An organic ferromagnet: α-phase crystal of 2-(2′,5′-dihydroxyphenyl)-4,4,5,5-tetramethyl-4,5-dihydro-1H-imidazolyl-1-oxy-3-oxide (α-HQNN)

    Tadashi Sugawara;Michio M. Matsushita;Akira Izuoka;Nobuo Wada

  • Preparation of BODIPY probes for multicolor fluorescence imaging studies of membrane dynamics

    Koji Yamada;Taro Toyota;Katsuto Takakura;Masako Ishimaru

  • Ferro- and antiferromagnetic interaction between two diphenylcarbene units incorporated in the [2.2]paracyclophane skeleton

    Akira Izuoka;Shigeru Murata;Tadashi Sugawara;Hiizu Iwamura

  • INTRAMOLECULAR EXCHANGE INTERACTION IN A NOVEL CROSS-CONJUGATED SPIN SYSTEM COMPOSED OF PI -ION RADICAL AND NITRONYL NITROXIDE

    Reiji Kumai;Michio M. Matsushita;Akira Izuoka;Tadashi Sugawara

  • Dependence of single-molecule conductance on molecule junction symmetry.

    Masateru Taniguchi;Makusu Tsutsui;Ryoji Mogi;Tadashi Sugawara

  • Formation and extraction of very large all-carbon fullerenes

    Hisanori Shinohara;Hiroyasu Sato;Yahachi Saito;Mitsuo Takayama

  • Low Temperature Resistivity, Magnetic Susceptibility, and Superconducting Transition Temperature in Lanthanum Containing Rare-Earth Impurities

    Tadashi Sugawara;Hiroko Eguchi

  • High-Spin Polycarbenes as a Model for Organic Ferromagnets

    Hiizu Iwamura;Tadashi Sugawara;Koichi Itoh;Takeji Takui

  • Membrane Dynamics of a Myelin-like Giant Multilamellar Vesicle Applicable to a Self-Reproducing System

    Katsuto Takakura;Tadashi Sugawara

Frequent Co-Authors

Hiizu Iwamura
Hiizu Iwamura Nihon University
Tetsuya Yomo
Tetsuya Yomo East China Normal University
Hisanori Shinohara
Hisanori Shinohara Nagoya University
Koji Yamada
Koji Yamada National Institute of Advanced Industrial Science and Technology
Takeji Takui
Takeji Takui Osaka Metropolitan University
Yoshinori Tokura
Yoshinori Tokura University of Tokyo
Shunji Bandow
Shunji Bandow Meijo University
Yahachi Saito
Yahachi Saito Nagoya University
Masako Yudasaka
Masako Yudasaka National Institute of Advanced Industrial Science and Technology
Naoki Sato
Naoki Sato University of Tokyo

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