World's Best Scientists 2026 revealed!
Kazuchika Ohta

Kazuchika Ohta

D-Index & Metrics

Chemistry

D-Index
40
Citations
6154
World Ranking
17888
National Ranking
1415

Kazuchika Ohta 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 Kazuchika Ohta 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: 225 publications — 41st percentile

41% of scientists in this discipline score the same or lower.

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

Kazuchika Ohta 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 Kazuchika Ohta 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: 40 D-Index — 1st percentile

1% of scientists in this discipline score the same or lower.

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

Overview

Kazuchika Ohta is a researcher affiliated with Shinshu University in Japan, specializing primarily in the fields of Materials Science and Chemistry. Their work significantly contributes to the subfields of Electronic, Optical and Magnetic Materials, Organic Chemistry, Materials Chemistry, Spectroscopy, and Polymers and Plastics.

Their research topics encompass a range of areas including Liquid Crystal Research Advancements, Porphyrin and Phthalocyanine Chemistry, Surfactants and Colloidal Systems, Organic and Molecular Conductors Research, Molecular Spectroscopy and Chirality, Magnetism in Coordination Complexes, and Crystallography and Molecular Interactions.

The scientist's recent publications include the following papers:

  • Electrically conductive charge-segregated pseudo-polymorphs comprising highly planar expanded π-electronic cations (2025) in Chemical Science
  • Discotic liquid crystals of transition metal complexes 59: Parity effect of the number of d-electrons on the columnar mesomorphism and homeotropic alignment of 1,4-diazatriphenylenocyaninato metal(II) complexes (2021) in Journal of Porphyrins and Phthalocyanines
  • Regulatable endothermic behavior of one-chain-tethered sliding graft copolymers as novel solid-solid phase change materials (2024) in Polymer
  • Discotic liquid crystals of transition metal complexes 57: X-ray diffraction halo jumps originated from sudden free rotation of substituent groups to induce mesomorphism (2020) in Journal of Porphyrins and Phthalocyanines
  • Discotic liquid crystals of transition metal complexes 60 †: synthesis and π-acceptor abilities of novel discotic liquid crystals based on dithiolene nickel complex (2023) in Molecular Crystals and Liquid Crystals

Kazuchika Ohta has collaborated frequently with several co-authors, including M. Yasutake, Kouki Sugiyama, Yohei Haketa, R. Nakajima, and Yuto Maruyama.

Their works have been published predominantly in journals such as:

  • Journal of Porphyrins and Phthalocyanines
  • Liquid Crystals
  • Chemical Science
  • Polymer
  • Molecular Crystals and Liquid Crystals

In addition to journal articles, Ohta has contributed to book publications, including a title published by World Scientific: Solutions and X-ray Non-3D Phase Structure Analysis of Soft Matter (2022).

Best Publications

  • Discotic liquid crystals of transition metalcomplexes, Part 30:spontaneous uniform homeotropic alignment of octakis(dialkoxyphenoxy)phthalocyaninatocopper(II)complexes

    Kazuaki Hatsusaka;Kazuchika Ohta;Iwao Yamamoto;Hirofusa Shirai

  • Discotic liquid crystals of transition metalcomplexes 29: mesomorphism and charge transport properties of alkylthio-substitutedphthalocyanine rare-earth metal sandwich complexes

    Kazue Ban;Kaoru Nishizawa;Kazuchika Ohta;Anick M. van de Craats

  • Influence of the nature of the side chains on the mesomorphic properties of octasubstituted phthalocyanine derivatives. Annelides XXIX

    K. Ohta;L. Jacquemin;C. Sirlin;L. Bosio

  • Chromic materials. Part 1.—Liquid-crystalline behaviour and electrochromism in bis(octakis-n-alkylphthalocyaninato)lutetium(III) complexes

    Tsuyoshi Komatsu;Kazuchika Ohta;Tetsuya Fujimoto;Iwao Yamamoto

  • Fibrous Assemblies Made of Amphiphilic Metallophthalocyanines

    Mutsumi Kimura;Tsuyoshi Muto;Hideaki Takimoto;Kazumi Wada

  • Synthesis of poly(6-azulenylethynyl)benzene derivatives as a multielectron redox system with liquid crystalline behavior.

    Shunji Ito;Haruki Inabe;Noboru Morita;Kazuchika Ohta

  • Discotic liquid crystalline semiconductors

    Kazuchika Ohta;Kazuaki Hatsusaka;Makiko Sugibayashi;Masahiro Ariyoshi

  • Self-organization of hydrogen-bonded optically active phthalocyanine dimers

    Mutsumi Kimura;Takahisa Kuroda;Kazuchika Ohta;Kenji Hanabusa

  • Self-organization of supramolecular complex composed of rigid dendritic porphyrin and fullerene.

    Mutsumi Kimura;Yoshikazu Saito;Kazuchika Ohta;Kenji Hanabusa

  • Discotic liquid crystals of transition metal complexes 27: supramolecular structure of liquid crystalline octakis-alkylthiophthalocyanines and their copper complexes

    Kazue Ban;Kaoru Nishizawa;Kazuchika Ohta;Hirofusa Shirai

  • Discotic liquid crystals of transition metal complexes. Part 24 Synthesis and mesomorphism of porphyrin derivatives substituted with two or four bulky groups

    Kazuchika Ohta;Noboru Yamaguchi;Iwao Yamamoto

  • Discotic Liquid Crystals of Transition Metal Complexes, 3: the First-Established Discotic Lamellar Phase in Bis[1,3- di(p-n-alkoxyphenyl)propane-1,3-dionato]copper(II)

    Kazuchika Ohta;Hiromitsu Muroki;Akira Takagi;Koh-Ichi Hatada

  • Spin transition at the mesophase transition temperature in a cobalt(II) compound with branched alkyl chains.

    Shinya Hayami;Reiko Moriyama;Aya Shuto;Yonezo Maeda

  • Mesomorphic phase transitions of tetraphenylporphyrins with four long aliphatic chains

    Y. Shimizu;M. Miya;A. Nagata;K. Ohta

  • Organic-inorganic composites comprised of ordered stacks of amphiphilic molecular disks.

    Mutsumi Kimura;Kazumi Wada;Kazuchika Ohta;Kenji Hanabusa

  • Star-shaped stilbenoid phthalocyanines

    Mutsumi Kimura;Hirotoshi Narikawa;Kazuchika Ohta;Kenji Hanabusa

  • Discotic liquid crystals of transition metal complexes 37: a thermotropic cubic mesophase having Pn3m symmetry exhibited by phthalocyanine-based derivatives

    Masahiro Ichihara;Ayumi Suzukia;Kazuaki Hatsusaka;Kazuchika Ohta

  • Time-of-flight analysis of charge mobility in a Cu-phthalocyanine-based discotic liquid crystal semiconductor

    Hideo Fujikake;Takeshi Murashige;Makiko Sugibayashi;Kazuchika Ohta

  • Electrical properties of condensed phases of the mesogen bis(octa-octadecyloxymethylphthalocyaninato)lutetium

    Z. Belarbi;M. Maitrot;K. Ohta;J. Simon

  • Flying-seed-like liquid crystals 2: unprecedented guidelines to obtain liquid crystalline compounds

    Yasufumi Takagi;Kazuchika Ohta;Shota Shimosugi;Tatsuya Fujii

  • Charge Transport in the Mesomorphic Free-Radical Compound Bis(octakis(dodecyloxy)phthalocyaninato)lutetium(III)

    Anick M. van de Craats;John M. Warman;Hiroshi Hasebe;and Rie Naito

Frequent Co-Authors

Nagao Kobayashi
Nagao Kobayashi Tokyo Institute of Technology
Mutsumi Kimura
Mutsumi Kimura Shinshu University
Hirofusa Shirai
Hirofusa Shirai Shinshu University
Kenji Hanabusa
Kenji Hanabusa Shinshu University
Byoung-Suhk Kim
Byoung-Suhk Kim Jeonbuk National University
Shinya Hayami
Shinya Hayami Kumamoto University
Masanori Ozaki
Masanori Ozaki Osaka University
Ick Soo Kim
Ick Soo Kim Shinshu University
Katsuya Inoue
Katsuya Inoue Hiroshima University
Shu Seki
Shu Seki Kyoto University

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