World's Best Scientists 2026 revealed!

D-Index & Metrics

Chemistry

D-Index
86
Citations
27763
World Ranking
2519
National Ranking
141

Osamu Ito 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 Osamu Ito 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: 659 publications — 95th percentile

95% of scientists in this discipline score the same or lower.

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

Osamu Ito 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 Osamu Ito 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: 86 D-Index — 86th percentile

86% of scientists in this discipline score the same or lower.

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

Overview

Osamu Ito is affiliated with Tohoku University in Japan and has contributed extensively to research in the field of medicine, with a particular focus on epidemiology, surgery, rehabilitation, materials chemistry, and pulmonary and respiratory medicine. Their research covers a range of topics that intersect clinical practice and materials science.

Osamu Ito's work includes publications in multiple scientific journals, with research often addressing acute ischemic stroke management and stroke rehabilitation and recovery. Other notable topics include cerebrovascular and carotid artery diseases, pelvic and acetabular injuries, hip and femur fractures, pregnancy-related medical research, and studies on concrete and cement materials.

Recent papers authored by or involving Osamu Ito include:

  • Mortality and functional outcomes of fragility fractures of the pelvis by fracture type with conservative treatment: a retrospective, multicenter TRON study, 2021, European Journal of Trauma and Emergency Surgery
  • Efficacy of combined use of a stent retriever and aspiration catheter in mechanical thrombectomy for acute ischemic stroke, 2021, Journal of NeuroInterventional Surgery
  • Sealing of near-surface voids on cement concretes by combined application of metal-ethylenediaminetetraacetic acid complex solutions and high-heat treatment via hydrogen/oxygen coupled flame, 2021, Construction and Building Materials
  • Optimal slice thickness of brain computed tomography using a hybrid iterative reconstruction algorithm for identifying hyperdense middle cerebral artery sign of acute ischemic stroke, 2020, Emergency Radiology
  • Narrowing of the angle of the parent artery after coil embolization increases the risk for aneurysm recurrence, 2021, Clinical Neurology and Neurosurgery

Frequent co-authors working with Osamu Ito include:

  • Shinya Yamaguchi
  • T Okuda
  • Koichi Arimura
  • Hidenori Yoshida
  • Koji Iihara

Publication venues where Osamu Ito has contributed multiple works include:

  • Stroke
  • European Journal of Trauma and Emergency Surgery
  • Journal of NeuroInterventional Surgery
  • Construction and Building Materials
  • Emergency Radiology

Osamu Ito's main fields of study consist of Medicine, with emphasis on subfields such as Epidemiology, Surgery, Rehabilitation, Materials Chemistry, and Pulmonary and Respiratory Medicine. Their research spans experimental, clinical, and applied sciences, particularly in areas related to stroke treatment and recovery, cerebrovascular disorders, and the material science of construction compounds.

The combination of clinical research and materials chemistry is reflected in the diversity of topics investigated, bridging patient care and engineering solutions. This includes studies on fracture outcomes and stroke interventions alongside investigations into sealing concrete voids with advanced chemical treatments.

Best Publications

  • Intermolecular and supramolecular photoinduced electron transfer processes of fullerene–porphyrin/phthalocyanine systems

    Mohamed E. El-Khouly;Osamu Ito;Phillip M. Smith;Francis D’Souza

  • Modulating charge separation and charge recombination dynamics in porphyrin-fullerene linked dyads and triads: Marcus-normal versus inverted region.

    Hiroshi Imahori;Koichi Tamaki;Dirk M. Guldi;Chuping Luo

  • Tough Physical Double-Network Hydrogels Based on Amphiphilic Triblock Copolymers.

    Hui Jie Zhang;Tao Lin Sun;Ao Kai Zhang;Yumihiko Ikura

  • Photoinduced electron transfer in supramolecular systems of fullerenes functionalized with ligands capable of binding to zinc porphyrins and zinc phthalocyanines

    Francis D'Souza;Osamu Ito

  • Supramolecular donor–acceptor hybrids of porphyrins/phthalocyanines with fullerenes/carbon nanotubes: electron transfer, sensing, switching, and catalytic applications

    Francis D’Souza;Osamu Ito

  • Energy Transfer Followed by Electron Transfer in a Supramolecular Triad Composed of Boron Dipyrrin, Zinc Porphyrin, and Fullerene: A Model for the Photosynthetic Antenna-Reaction Center Complex

    Francis D'Souza;Phillip M. Smith;Melvin E. Zandler;Amy L. McCarty

  • Axially modified gallium phthalocyanines and naphthalocyanines for optical limiting

    Yu Chen;Yu Chen;Yu Chen;Michael Hanack;Yasuyuki Araki;Osamu Ito

  • Photosensitized electron transfer processes of nanocarbons applicable to solar cells

    Francis D'Souza;Osamu Ito

  • Spectroscopic, Electrochemical, and Photochemical Studies of Self-Assembled via Axial Coordination Zinc Porphyrin−Fulleropyrrolidine Dyads†

    Francis D'souza;Gollapalli R. Deviprasad;Melvin E. Zandler;Vu T. Hoang

  • Selective One-Electron and Two-Electron Reduction of C60 with NADH and NAD Dimer Analogues via Photoinduced Electron Transfer

    Shunichi Fukuzumi;Tomoyoshi Suenobu;Matthias Patz;Takeomi Hirasaka

  • Production of an Ultra‐Long‐Lived Charge‐Separated State in a Zinc Chlorin–C60 Dyad by One‐Step Photoinduced Electron Transfer

    Kei Ohkubo;Hiroaki Kotani;Jianguo Shao;Zhongping Ou

  • Solvent Dependence of Charge Separation and Charge Recombination Rates in Porphyrin−Fullerene Dyad

    Hiroshi Imahori;Mohamed E. El-Khouly;Mamoru Fujitsuka;Osamu Ito

  • Stepwise charge separation and charge recombination in ferrocene-meso,meso-linked porphyrin dimer-fullerene triad.

    Hiroshi Imahori;Koichi Tamaki;Yasuyuki Araki;Yuji Sekiguchi

  • Long-lived charge-separated state generated in a ferrocene-meso,meso-linked porphyrin trimer-fullerene pentad with a high quantum yield.

    Hiroshi Imahori;Yuji Sekiguchi;Yukiyasu Kashiwagi;Tohru Sato

  • Photoalkylation of 10-Alkylacridinium Ion via a Charge-Shift Type of Photoinduced Electron Transfer Controlled by Solvent Polarity

    Shunichi Fukuzumi;Kei Ohkubo;Tomoyoshi Suenobu;Kouta Kato

  • Probing the donor-acceptor proximity on the physicochemical properties of porphyrin-fullerene dyads: "tail-on" and "tail-off" binding approach.

    Francis D'Souza;Gollapalli R. Deviprasad;Mohamed E. El-Khouly;Mamoru Fujitsuka

  • Photochemical and electrochemical properties of zinc chlorin-C60 dyad as compared to corresponding free-base chlorin-C60, free-base porphyrin-C60, and zinc porphyrin-C60 dyads.

    Shunichi Fukuzumi;Kei Ohkubo;Hiroshi Imahori;Jianguo Shao

  • Solvent Polarity Dependence of Photoinduced Charge Separation in a Tetrathiophene-C60 Dyad Studied by Pico- and Nanosecond Laser Flash Photolysis in the Near-IR Region

    Mamoru Fujitsuka;Osamu Ito;Takashi Yamashiro;Yoshio Aso

  • Intercalation of titanium oxide in layeredH2Ti4O9 andH4Nb6O17 and photocatalyticwater cleavage withH2Ti4O9/(TiO2,Pt) andH4Nb6O17/(TiO2,Pt) nanocomposites

    Satoshi Uchida;Yositaka Yamamoto;Yoshinobu Fujishiro;Akira Watanabe

  • Catalytic effects of dioxygen on intramolecular electron transfer in radical ion pairs of zinc porphyrin-linked fullerenes.

    Shunichi Fukuzumi;Hiroshi Imahori;Hiroko Yamada;Mohamed E. El-Khouly

Frequent Co-Authors

Yasuyuki Araki
Yasuyuki Araki Tohoku University
Mamoru Fujitsuka
Mamoru Fujitsuka Osaka University
Francis D'Souza
Francis D'Souza University of North Texas
Mohamed E. El-Khouly
Mohamed E. El-Khouly Egypt-Japan University of Science and Technology
Shunichi Fukuzumi
Shunichi Fukuzumi Osaka University
Melvin E. Zandler
Melvin E. Zandler Wichita State University
Akira Watanabe
Akira Watanabe Kyoto University
Hiroshi Imahori
Hiroshi Imahori Kyoto University
Taku Hasobe
Taku Hasobe Keio University
Toshikazu Takata
Toshikazu Takata Tokyo Institute of Technology

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