World's Best Scientists 2026 revealed!

D-Index & Metrics

Chemistry

D-Index
54
Citations
10569
World Ranking
12596
National Ranking
952

Kenzo Hiraoka 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 Kenzo Hiraoka 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: 429 publications — 83rd percentile

83% of scientists in this discipline score the same or lower.

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

Kenzo Hiraoka 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 Kenzo Hiraoka 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: 54 D-Index — 31st percentile

31% of scientists in this discipline score the same or lower.

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

Overview

Kenzo Hiraoka is affiliated with the University of Yamanashi in Japan. The primary focus of their research lies in the field of Chemistry, with a particular emphasis on Engineering as a complementary area of study.

Their expertise encompasses several specialized subfields including:

  • Spectroscopy
  • Analytical Chemistry
  • Computational Mechanics
  • Electrical and Electronic Engineering
  • Biomedical Engineering

The main topics featured in their scholarly work include:

  • Mass Spectrometry Techniques and Applications
  • Analytical chemistry methods development
  • Ion-surface interactions and analysis
  • Analytical Chemistry and Chromatography
  • Microfluidic and Capillary Electrophoresis Applications
  • Advanced Chemical Sensor Technologies
  • Electrohydrodynamics and Fluid Dynamics

Hiraoka has contributed to multiple recent publications, such as:

  • "On-site single pollen metabolomics reveals varietal differences in phosphatidylinositol synthesis under heat stress conditions in rice," published in 2020 in Scientific Reports
  • "Probe Electrospray Ionization (PESI) and Its Modified Versions: Dipping PESI (dPESI), Sheath-Flow PESI (sfPESI) and Adjustable sfPESI (ad-sfPESI)," published in 2020 in Mass Spectrometry
  • "Negative-mode mass spectrometric study on dc corona, ac corona and dielectric barrier discharge ionization in ambient air containing H2O2, 2,4,6-trinitrotoluene (TNT), and 1,3,5-trinitroperhydro-1,3,5-triazine (RDX)," published in 2020 in International Journal of Mass Spectrometry
  • "Pulsed Nano-Electrospray Ionization with a High Voltage (4000 V) Pulse Applied to Solutions in the Range of 200 ns to 1 ms," published in 2020 in Journal of the American Society for Mass Spectrometry
  • "Heat Pulse Desorption of Low-Volatility Compounds by a Heated N2 Gas Pulse with Mass Spectrometry," published in 2022 in Journal of the American Society for Mass Spectrometry

Frequent collaborators in Hiraoka's research include:

  • Satoshi Ninomiya
  • Stephanie Rankin-Turner
  • Dilshadbek T. Usmanov
  • Satoko Akashi
  • Haruo Shimada

Hiraoka's work has appeared predominantly in the following venues:

  • International Journal of Mass Spectrometry
  • Mass Spectrometry
  • Rapid Communications in Mass Spectrometry
  • Analytical Biochemistry
  • Journal of the American Society for Mass Spectrometry

Best Publications

  • Development of probe electrospray using a solid needle.

    Kenzo Hiraoka;Kentaro Nishidate;Kunihiko Mori;Daiki Asakawa

  • Solvation of halide ions with water and acetonitrile in the gas phase

    Kenzo Hiraoka;Susumu Mizuse;Shinichi Yamabe

  • Microbe-surface interactions in biofouling and biocorrosion processes

    Iwona B Beech;Jan A Sunner;Kenzo Hiraoka

  • Formation of formaldehyde and methanol from the reactions of H atoms with solid CO at 10–20 K

    Kenzo Hiraoka;Nagayuki Ohashi;Yosihide Kihara;Kazuyosi Yamamoto

  • Stabilities and energetics of pentacoordinated carbonium ions. The isomeric protonated ethane ions and some higher analogs: protonated propane and protonated butane

    Kenzo Hiraoka;Paul Kebarle

  • Gas-Grain Processes for the Formation of CH4 and H2O: Reactions of H Atoms with C, O, and CO in the Solid Phase at 12 K

    Kenzo Hiraoka;Takashi Miyagoshi;Toshikazu Takayama;Kazuyoshi Yamamoto

  • Formation of Formaldehyde by the Tunneling Reaction of H with Solid CO at 10 K Revisited

    Kenzo Hiraoka;Tetsuya Sato;Shoji Sato;Norihito Sogoshi

  • A determination of the stabilities of H+3(H2)n with n=1–9 from measurements of the gas‐phase ion equilibria H+3(H2)n−1 +H2=H+3(H2)n

    Kenzo Hiraoka

  • High-symmetric structure of the gas-phase cluster ions X-.cntdot..cntdot..cntdot.C6F6 (X = Cl, Br, and I)

    Kenzo. Hiraoka;Susumu. Mizuse;Shinichi. Yamabe

  • A determination of the stabilities of O+2(O2)n and O−2(O2)n with n=1–8 from measurements of the gas‐phase ion equilibria

    Kenzo Hiraoka

  • Ambient imaging mass spectrometry by electrospray ionization using solid needle as sampling probe.

    Lee Chuin Chen;Kentaro Yoshimura;Zhan Yu;Zhan Yu;Rikiya Iwata

  • Prevention of the Reduction of CuO during X‐ray Photoelectron Spectroscopy Analysis

    Yoshitoki Iijima;Noriyasu Niimura;Kenzo Hiraoka

  • Fundamental aspects of electrospray droplet impact/SIMS

    Kenzo Hiraoka;Kunihiko Mori;Daiki Asakawa

  • Gas-phase stabilities of symmetric proton-held dimer cations

    Kenzo Hiraoka;Hajime Takimoto;Shinichi Yamabe

  • Formation and stabilities of cluster ions Ar+n

    Kenzo Hiraoka;Toshiharu Mori

  • Electrosprayed droplet impact/secondary ion mass spectrometry

    K. Hiraoka;D. Asakawa;S. Fujimaki;A. Takamizawa

  • Characteristics of Probe Electrospray Generated from a Solid Needle

    Lee Chuin Chen;Kentaro Nishidate;Yuta Saito;Kunihiko Mori

  • Study of the Reactions of H and D Atoms with Solid C2H2, C2H4, and C2H6 at Cryogenic Temperatures

    Kenzo Hiraoka;Toshikazu Takayama;Atsuko Euchi;Hiroko Handa

  • Single-Cell Metabolite Profiling of Stalk and Glandular Cells of Intact Trichomes with Internal Electrode Capillary Pressure Probe Electrospray Ionization Mass Spectrometry.

    Taiken Nakashima;Hiroshi Wada;Satoshi Morita;Rosa Erra-Balsells

  • Stability and structure of cluster ions in the gas phase: Carbon dioxide with Cl−, H3O+, HCO+2, and HCO+

    K. Hiraoka;T. Shoda;K. Morise;S. Yamabe

Frequent Co-Authors

Paul Kebarle
Paul Kebarle University of Alberta
Yoshifumi Nishimura
Yoshifumi Nishimura Hiroshima University
Ahsan Habib
Ahsan Habib Massey University
Hideki Fujii
Hideki Fujii University of Yamanashi
Shigeyoshi Sakaki
Shigeyoshi Sakaki Kyoto University
Hisanori Shinohara
Hisanori Shinohara Nagoya University
Yahachi Saito
Yahachi Saito Nagoya University
Oscar E. Piro
Oscar E. Piro National University of La Plata

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