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Taka-aki Okamura

Taka-aki Okamura

Osaka University
Japan

D-Index & Metrics

Chemistry

D-Index
64
Citations
10759
World Ranking
8241
National Ranking
555

Taka-aki Okamura 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 Taka-aki Okamura 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: 307 publications — 65th percentile

65% of scientists in this discipline score the same or lower.

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

Taka-aki Okamura 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 Taka-aki Okamura 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: 64 D-Index — 56th percentile

56% of scientists in this discipline score the same or lower.

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

Overview

Taka-aki Okamura is affiliated with Osaka University in Japan and has contributed extensively to the fields of Materials Science and Chemistry. Their research work is primarily concentrated within subfields such as Materials Chemistry, Organic Chemistry, Molecular Biology, Biomaterials, and Electrical and Electronic Engineering.

Their research encompasses several main topics, including:

  • Crystallization and Solubility Studies
  • X-ray Diffraction in Crystallography
  • Synthesis and Properties of Aromatic Compounds
  • Chemical Synthesis and Analysis
  • Supramolecular Self-Assembly in Materials
  • Luminescence and Fluorescent Materials
  • Organic Electronics and Photovoltaics

Taka-aki Okamura has published frequently in venues such as The Cambridge Structural Database, Macromolecules, Angewandte Chemie International Edition, Polymer Chemistry, and Macromolecular Rapid Communications.

Several recent publications illustrate the focus and breadth of their work:

  • Stability Enhancement of a π-Stacked Helical Structure Using Substituents of an Amino Acid Side Chain: Helix Formation via a Nucleation-Elongation Mechanism, 2022, Journal of the American Chemical Society
  • Construction of Helically Stacked π-Electron Systems in Poly(quinolylene-2,3-methylene) Stabilized by Intramolecular Hydrogen Bonds, 2020, Angewandte Chemie International Edition
  • Synthesis of helically π-stacked poly(quinolylene-2,3-methylene)s with anthracene derivatives at the chain end: intramolecular energy transfer based on the π-stacked architecture, 2022, Polymer Chemistry
  • Synthesis of an optically active polymer containing a planar phthalimide backbone by asymmetric polymerization, 2020, Polymer Chemistry
  • Folding control of a non-natural glycopeptide using saccharide-coded structural information for polypeptides, 2020, Chemical Communications

The scientist has coauthored numerous works with frequent collaborators that include Kiyotaka Onitsuka, Yusuke Tomita, Naoya Kanbayashi, Yuki Umeda, and Koichiro Nishimoto.

Best Publications

  • Syntheses, structures, near-infrared and visible luminescence, and magnetic properties of lanthanide-organic frameworks with an imidazole-containing flexible ligand.

    Zheng-Hua Zhang;You Song;Taka-aki Okamura;Yasuchika Hasegawa

  • Syntheses, structures, and luminescent and magnetic properties of novel three-dimensional lanthanide complexes with 1,3,5-benzenetriacetate.

    Zheng-Hua Zhang;Taka-Aki Okamura;Yasuchika Hasegawa;Hiroyuki Kawaguchi

  • Self-assembly of frameworks with specific topologies: construction and anion exchange properties of M3L2 architectures by tripodal ligands and silver(I) salts.

    Wei-Yin Sun;Jian Fan;Taka-aki Okamura;Jin Xie

  • Syntheses, structures, and photoluminescence properties of metal(II) halide complexes with pyridine-containing flexible tripodal ligands.

    Gang Wu;Xiao-Feng Wang;Taka-Aki Okamura;Wei-Yin Sun

  • Novel metal-organic frameworks with specific topology from new tripodal ligands: 1,3,5-tris(1-imidazolyl)benzene and 1,3-bis(1-imidazolyl)-5-(imidazol-1-ylmethyl)benzene.

    Jian Fan;Wei-Yin Sun;Taka-Aki Okamura;Wen-Xia Tang

  • Syntheses, Structures, and Properties of Two-Dimensional Alkaline Earth Metal Complexes with Flexible Tripodal Tricarboxylate Ligands

    Hui-Fang Zhu;Zheng-Hua Zhang;Wei-Yin Sun;Taka-Aki Okamura

  • Novel one-dimensional tubelike and two-dimensional polycatenated metal-organic frameworks

    Jian Fan;Hui-Fang Zhu;Taka-Aki Okamura;Wei-Yin Sun

  • Interpenetrating and Self-Penetrating Zinc(II) Complexes with Rigid Tripodal Imidazole-Containing Ligand and Benzenedicarboxylate

    Zhi Su;Jian Fan;Taka-aki Okamura;Man-Sheng Chen

  • Synthesis, Crystal Structure, and Photoluminescence of a Series of Zinc(II) Coordination Polymers with 1,4-Di(1H imidazol-4-yl)benzene and Varied Carboxylate Ligands

    Shui-Sheng Chen;Shui-Sheng Chen;Jian Fan;Taka-aki Okamura;Man-Sheng Chen

  • Syntheses, crystal structures, and magnetic properties of novel manganese(II) complexes with flexible tripodal ligand 1,3,5-tris(imidazol-1-ylmethyl)-2,4,6-trimethylbenzene.

    Wei Zhao;You Song;Taka-aki Okamura;Jian Fan

  • Effect of N-Donor Ancillary Ligands on Supramolecular Architectures of a Series of Zinc(II) and Cadmium(II) Complexes with Flexible Tricarboxylate

    Guang-Xiang Liu;Yong-Qing Huang;Qian Chu;Taka-aki Okamura

  • Metal-organic architectures of silver(I), cadmium(II), and copper(II) with a flexible tricarboxylate ligand

    Hui-Fang Zhu;Jian Fan;Taka-aki Okamura;Zheng-Hua Zhang

  • Ligand-Directed and pH-Controlled Assembly of Chiral 3d−3d Heterometallic Metal−Organic Frameworks

    Zhi Su;Jian Fan;Taka-aki Okamura;Wei-Yin Sun

  • Discrete and infinite cage-like frameworks with inclusion of anionic and neutral species and with interpenetration phenomena.

    Jian Fan;Hui-Fang Zhu;Taka-aki Okamura;Wei-Yin Sun

  • Single-crystal-to-single-crystal transformations and selective adsorption of porous copper(II) frameworks

    Man-Sheng Chen;Man-Sheng Chen;Min Chen;Satoshi Takamizawa;Taka-aki Okamura

  • Syntheses and Structures of Zinc(II), Silver(I), Copper(II), and Cobalt(II) Complexes with Imidazole-Containing Ligand: 1-(1-Imidazolyl)-4-(imidazol-1-ylmethyl)benzene

    † Hui-Fang Zhu;Jian Fan;‡ Taka-aki Okamura;Wei-Yin Sun, ,† and

  • pH Dependent Structural Diversity of Metal Complexes with 5-(4H-1,2,4-Triazol-4-yl)benzene-1,3-dicarboxylic Acid

    Min Chen;Shui-Sheng Chen;Taka-aki Okamura;Zhi Su

  • Reversible single-crystal-to-single-crystal transformation and highly selective adsorption property of three-dimensional cobalt(II) frameworks.

    Zhi Su;Min Chen;Taka-aki Okamura;Man-Sheng Chen

  • Zinc(II) and Cadmium(II) Complexes with 1,3,5-Benzenetricarboxylate and Imidazole-Containing Ligands: Structural Variation via Reaction Temperature and Solvent

    Li Luo;Kai Chen;Qing Liu;Yi Lu

  • Copper(II) and zinc(II) complexes can fix atmospheric carbon dioxide.

    Ling-Yan Kong;Zheng-Hua Zhang;Hui-Fang Zhu;Hiroyuki Kawaguchi

  • Cytochrome P-450 Model (Porphinato)(thiolato)iron(III) Complexes with Single and Double NH···S Hydrogen Bonds at the Thiolate Site

    Norikazu Ueyama;Nami Nishikawa;Yusuke Yamada;Taka-aki Okamura

Frequent Co-Authors

Norikazu Ueyama
Norikazu Ueyama Osaka University
Wei-Yin Sun
Wei-Yin Sun Nanjing University
Jian Fan
Jian Fan Soochow University
Akira Nakamura
Akira Nakamura Osaka University
Susumu Tsunasawa
Susumu Tsunasawa Osaka University
Yue Zhao
Yue Zhao Nanjing University
Yi Lu
Yi Lu University of Illinois at Urbana-Champaign
Seiki Kuramitsu
Seiki Kuramitsu Osaka University
Takafumi Ueno
Takafumi Ueno Tokyo Institute of Technology
Jin-Quan Yu
Jin-Quan Yu Scripps Research Institute

External Links

Personal website of Taka-aki Okamura

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Best Scientists Citing Taka-aki Okamura

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Publications: 67

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Wei-Yin Sun

Nanjing University

Publications: 51

Yue Zhao

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Publications: 47

Yupeng Tian

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Anhui University

Publications: 47

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Publications: 46

Yaoting Fan

Yaoting Fan

Zhengzhou University

Publications: 43

Li-Ya Wang

Li-Ya Wang

Qingdao University of Science and Technology

Publications: 41

Jian-Fang Ma

Jian-Fang Ma

Northeast Normal University

Publications: 36

Xian-He Bu

Xian-He Bu

Nankai University

Publications: 35

Maochun Hong

Maochun Hong

Chinese Academy of Sciences

Publications: 32

Jin Yang

Jin Yang

Northeast Normal University

Publications: 32

Seik Weng Ng

Seik Weng Ng

University of Malaya

Publications: 31

Daofeng Sun

Daofeng Sun

China University of Petroleum, Beijing

Publications: 30

Miao Du

Miao Du

Zhengzhou University of Light Industry

Publications: 28

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Publications: 28

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Publications: 28

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