World's Best Scientists 2026 revealed!

D-Index & Metrics

Chemistry

D-Index
66
Citations
14173
World Ranking
7365
National Ranking
484

Kenji Koga 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 Kenji Koga 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: 446 publications — 84th percentile

84% of scientists in this discipline score the same or lower.

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

Kenji Koga 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 Kenji Koga 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: 66 D-Index — 60th percentile

60% of scientists in this discipline score the same or lower.

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

Overview

Kenji Koga was affiliated with the Nara Institute of Science and Technology in Japan. Their research focused primarily on engineering and materials science, with significant contributions in subfields such as materials chemistry, biomedical engineering, electrical and electronic engineering, renewable energy, sustainability and the environment, and orthodontics.

The research topics explored included advanced photocatalysis techniques, advanced nanomaterials in catalysis, bone tissue engineering materials, gas sensing nanomaterials and sensors, catalytic processes in materials science, laser-ablation synthesis of nanoparticles, and dental materials and restorations.

Kenji Koga was a coauthor with multiple frequent collaborators, including Yoshihiro Kon, Dachao Hong, Ayako Oyane, Maki Nakamura, and Hirofumi Miyaji.

Key publication venues where their work appeared included:

  • Materials Science and Engineering C
  • International Journal of Molecular Sciences
  • ACS Applied Materials & Interfaces
  • ACS Applied Nano Materials
  • ACS Omega

Notable recent publications authored by Kenji Koga included:

  • Electronic and Catalytic Effects of Single-Atom Pd Additives on the Hydrogen Sensing Properties of Co3O4 Nanoparticle Films, 2020, ACS Applied Materials & Interfaces

Other significant papers from the same period by frequent collaborators appeared in various venues, such as:

  • RuO2 Nanoparticle-Embedded Graphitic Carbon Nitride for Efficient Photocatalytic H2 Evolution, 2021, ACS Applied Nano Materials
  • In situ precipitation of amorphous calcium phosphate nanoparticles within 3D porous collagen sponges for bone tissue engineering, 2020, Materials Science and Engineering C
  • Laser Ablation Nanoarchitectonics of Au-Cu Alloys Deposited on TiO2 Photocatalyst Films for Switchable Hydrogen Evolution from Formic Acid Dehydrogenation, 2022, ACS Omega
  • Antibacterial tooth surface created by laser-assisted pseudo-biomineralization in a supersaturated solution, 2020, Materials Science and Engineering C

Best Publications

  • Flexible n-type thermoelectric materials by organic intercalation of layered transition metal dichalcogenide TiS2

    Chunlei Wan;Xiaokun Gu;Feng Dang;Tomohiro Itoh

  • Enantioselective synthesis of binaphthol derivatives by oxidative coupling of naphthol derivatives catalyzed by chiral diamine-copper complexes

    Makoto Nakajima;Irie Miyoshi;Kumiko Kanayama;Shun Ichi Hashimoto

  • Size- and temperature-dependent structural transitions in gold nanoparticles.

    Kenji Koga;Tamio Ikeshoji;Ko-ichi Sugawara

  • Host-guest complexation. 7. The binaphthyl structural unit in host compounds

    Evan P. Kyba;George W. Gokel;Feike De Jong;Kenji Koga

  • Chiral recognition in molecular complexing

    Evan B. Kyba;Kenji. Koga;Lynn R. Sousa;Merrell G. Siegel

  • Host-guest complexation. 8. Macrocyclic polyethers shaped by two rigid substituted dinaphthyl or ditetralyl units

    Donald J. Cram;Roger C. Helgeson;Stephen C. Peacock;Lester J. Kaplan

  • A NEW CATALYTIC SYSTEM FOR AEROBIC OXIDATIVE COUPLING OF 2-NAPHTHOL DERIVATIVES BY THE USE OF CUCL-AMINE COMPLEX : A PRACTICAL SYNTHESIS OF BINAPHTHOL DERIVATIVES

    Masahiro Noji;Makoto Nakajima;Kenji Koga

  • Host-guest complex formation between a water-soluble polyparacyclophane and a hydrophobic guest molecule

    Kazunori Odashima;Akiko Itai;Yoichi Iitaka;Kenji Koga

  • Stereochemical studies—XXX

    M. Taniguchi;K. Koga;S. Yamada

  • Novel Strategy of Using a C2 Symmetric Chiral Diether in the Enantioselective Conjugate Addition of an Organolithium to an α,β-Unsaturated Aldimine†

    Kiyoshi Tomioka;Mitsuru Shindo;Kenji Koga

  • Enantioface differentiation in cis dihydroxylation of carbon-carbon double bonds by osmium tetroxide using a chiral diamine with D2 symmetry

    Kiyoshi Tomioka;Makoto Nakajima;Kenji Koga

  • Asymmetric alkylation of .alpha.-alkyl .beta.-keto esters

    Kiyoshi Tomioka;Kaori Ando;Yutaka Takemasa;Kenji Koga

  • Catalytic Asymmetric Benzylation of Achiral Lithium Enolates Using a Chiral Ligand for Lithium in the Presence of an Achiral Ligand

    Mitsuko Imai;Atsushi Hagihara;Hisashi Kawasaki;Kei Manabe

  • Enantioselective deprotonation by chiral lithium amide bases: asymmetric synthesis of trimethylsilyl enol ethers from 4-alkylcyclohexanones.

    Unknown

  • Asymmetric organolithium additions to imines

    Kiyoshi Tomioka;Isao Inoue;Mitsuru Shindo;Kenji Koga

  • A catalytic method for asymmetric nucleophilic aromatic substitution giving binaphthyls

    Mitsuru Shindo;Mitsuru Shindo;Kenji Koga;Kenji Koga;Kiyoshi Tomioka;Kiyoshi Tomioka

  • Asymmetric total synthesis of natural (-)-and unnatural (+)-steganacin ☆ ☆☆: Determination of the absolute configuration of natural antitumor steganacin

    Kiyoshi Tomioka;Tsuneo Ishiguro;Yōichi Iitaka;Kenji Koga

  • Crystallographic and lithium-6 and nitrogen-15 NMR studies of a chiral bidentate lithium amide. An effect of aggregation states on an enantioselective deprotonation reaction

    Daisaku Sato;Hisashi Kawasaki;Ichio Shimada;Yoji Arata

  • Population statistics of gold nanoparticle morphologies: direct determination by HREM observations

    Unknown

  • Design, Synthesis, and Application of a C2 Symmetric Chiral Ligand for Enantioselective Conjugate Addition of Organolithium to α,β-Unsaturated Aldimine

    Mitsuru Shindo;Kenji Koga;Kiyoshi Tomioka

  • Asymmetric 1,2-addition of organolithiums to aldimines catalyzed by chiral ligand

    Isao Inoue;Mitsuru Shindo;Kenji Koga;Kiyoshi Tomioka

  • Asymmetric Diels–Alder reaction catalysed by chiral alkoxyaluminium dichloride

    Shun-ichi Hashimoto;Nobuyasu Komeshima;Kenji Koga

  • Asymmetric synthesis mediated by chiral ligands

    Kenji Koga

Frequent Co-Authors

Kiyoshi Tomioka
Kiyoshi Tomioka Doshisha Women's College of Liberal Arts
Kei Manabe
Kei Manabe University of Shizuoka
Ichiro Takahashi
Ichiro Takahashi Hiroshima University
Yoichi Iitaka
Yoichi Iitaka University of Tokyo
Donald J. Cram
Donald J. Cram University of California, Los Angeles
Shunichi Hashimoto
Shunichi Hashimoto Ritsumeikan University
Shin Aoki
Shin Aoki Tokyo University of Science
Motomu Kanai
Motomu Kanai University of Tokyo
Yoji Arata
Yoji Arata University of Tokyo
Roger C. Helgeson
Roger C. Helgeson University of California, Los Angeles

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