World's Best Scientists 2026 revealed!
Suehiro Iwata

Suehiro Iwata

D-Index & Metrics

Chemistry

D-Index
57
Citations
8767
World Ranking
11388
National Ranking
839

Suehiro Iwata 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 Suehiro Iwata 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: 245 publications — 48th percentile

48% of scientists in this discipline score the same or lower.

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

Suehiro Iwata 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 Suehiro Iwata 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: 57 D-Index — 39th percentile

39% of scientists in this discipline score the same or lower.

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

Overview

Suehiro Iwata is affiliated with Keio University in Japan. Their academic career is primarily based at this institution, where they contribute to various research activities and academic developments.

Although specific recent papers, co-authors, publication venues, book publications, fields of study, subfields, and main research topics related to Iwata are not listed, it is clear that their work is anchored within the academic environment of Keio University. This affiliation suggests participation in the university's research community and likely involvement in its scholarly output.

Given the absence of detailed data on awards, no distinctions or recognitions are recorded for Iwata. Similarly, no information on the number or titles of journal articles, conference papers, or books is available.

The profile does not indicate that Iwata is deceased and uses present tense accordingly.

Best Publications

  • Electronic spectra of ion radicals and their molecular orbital interpretation. III. Aromatic hydrocarbons

    Tadamasa. Shida;Suehiro. Iwata

  • Photodissociation study on Mg+(H2O)n, n=1–5: Electronic structure and photoinduced intracluster reaction

    F. Misaizu;M. Sanekata;K. Fuke;S. Iwata

  • Photodissociation of size-selected Mg+(H2O)n ions for n = 1 and 2

    Fuminori Misaizu;Masaomi Sanekata;Keizo Tsukamoto;Kiyokazu Fuke

  • Extended Hartree-Fock theory for excited states

    K. Morokuma;S. Iwata

  • Molecular Complexes between 1,2,4,5-Tetracyanobenzene and Some Aromatic Electron Donors

    Suehiro Iwata;Jiro Tanaka;Saburo Nagakura

  • REACTIONS OF SINGLY CHARGED ALKALINE-EARTH METAL IONS WITH WATER CLUSTERS : CHARACTERISTIC SIZE DISTRIBUTION OF PRODUCT IONS

    M. Sanekata;Fuminori Misaizu;K. Fuke;S. Iwata

  • Phosphorescence of the Charge‐Transfer Triplet States of Some Molecular Complexes

    Suehiro Iwata;Jiro Tanaka;Saburo Nagakura

  • Molecular Orbital Studies of the Structures and Reactions of Singly Charged Magnesium Ion with Water Clusters, Mg+(H2O)n

    Hidekazu Watanabe;Suehiro Iwata;Kenro Hashimoto;Fuminori Misaizu

  • Theoretical studies of geometric structures of phenol‐water clusters and their infrared absorption spectra in the O–H stretching region

    Hidekazu Watanabe;Suehiro Iwata

  • Electronic absorption spectra of ion radicals and their molecular orbital interpretation. IV. Anion radicals of aromatic and unsaturated aliphatic carbonyl compounds

    Tadamasa Shida;Suehiro Iwata;Masashi Imamura

  • Molecular orbital studies of hydrogen bonds

    Suehiro Iwata;Keiji Morokuma

  • The geometric and electronic structures of Arn+ (n=3–27)

    Tsutomu Ikegami;Tamotsu Kondow;Suehiro Iwata

  • Geometric and electronic structures of silicon–sodium binary clusters. I. Ionization energy of SinNam

    Reiko Kishi;Suehiro Iwata;Atsushi Nakajima;Koji Kaya

  • Ab initio evaluation of correlation contributions to the true π‐electron Hamiltonian: Ethylene

    Suehiro Iwata;Karl F. Freed

  • An MCSCF study of the low‐lying states of trans‐butadiene

    Mutsumi Aoyagi;Yoshihiro Osamura;Suehiro Iwata

  • STRUCTURES, SPECTROSCOPIES, AND REACTIONS OF ATOMIC IONS WITH WATER CLUSTERS

    Kiyokazu Fuke;Kenro Hashimoto;Suehiro Iwata

  • Basis set superposition error free self-consistent field method for molecular interaction in multi-component systems : Projection operator formalism

    Takeshi Nagata;Osamu Takahashi;Ko Saito;Suehiro Iwata

  • Photodissociation of Ar + 3 cluster ion

    Takashi Nagata;Jun Hirokawa;Tsutomu Ikegami;Tamotsu Kondow

  • Photoelectron spectroscopy of silicon–carbon cluster anions (SinC−m)

    Atsushi Nakajima;Tetsuya Taguwa;Kojiro Nakao;Motoki Gomei

  • Molecular orbital studies of hydrogen bonds. V. Analysis of the hydrogen-bond energy between lower excited states of formaldehyde and water

    Suehiro. Iwata;Keiji. Morokuma

Frequent Co-Authors

Atsushi Nakajima
Atsushi Nakajima Keio University
Saburo Nagakura
Saburo Nagakura University of Tokyo
Koji Kaya
Koji Kaya National Institutes of Natural Sciences
Keiji Morokuma
Keiji Morokuma Kyoto University
Kangnian Fan
Kangnian Fan Fudan University
So Hirata
So Hirata University of Illinois at Urbana-Champaign
Nobuhiro Kosugi
Nobuhiro Kosugi Osaka University
Yuichi Negishi
Yuichi Negishi Tokyo University of Science
Tamotsu Kondow
Tamotsu Kondow University of Tokyo
Karl F. Freed
Karl F. Freed University of Chicago

If you think any of the details on this page are incorrect, let us know.

Report an issue

We appreciate your kind effort to assist us to improve this page, it would be helpful providing us with as much detail as possible in the text box below:

Related Online Degrees & Career Pathways

Studying Chemistry in the USA opens doors to various career paths, many of which can be supported by related online degrees. For those interested in the intersection of chemistry and law, exploring the best online associates in criminal justice can provide foundational knowledge useful in regulatory or forensic settings.

Furthermore, understanding the roles within legal support is valuable. There are different types of paralegals, and some specialize in intellectual property or environmental law, areas closely connected to chemistry professions. Learn more about the types of paralegals to see how these roles complement a chemistry background.

For chemistry graduates looking into the healthcare industry, becoming a pharmaceutical sales representative is a rewarding option. Research into how much do pharmaceutical reps make can help students gauge the financial prospects of this career path.

Alternatively, pursuing a career as a pharmacist involves rigorous training. It’s important to understand is it hard to become a pharmacist before committing to this highly specialized profession. Each pathway offers unique challenges and opportunities tied to chemistry expertise.

Best Scientists Citing Suehiro Iwata

Trending Scientists

Recently Published Articles