World's Best Scientists 2026 revealed!

D-Index & Metrics

Engineering and Technology

D-Index
60
Citations
10452
World Ranking
2255
National Ranking
26

Hiromasa Ito publication distribution in Engineering and Technology in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Engineering and Technology in 2026. The highlighted bar marks where Hiromasa Ito sits on this spectrum.

38–47 publications: 20 scientists 48–57 publications: 35 scientists 58–67 publications: 96 scientists 68–77 publications: 135 scientists 78–87 publications: 190 scientists 88–97 publications: 259 scientists 98–107 publications: 283 scientists 108–117 publications: 369 scientists 118–127 publications: 341 scientists 128–137 publications: 386 scientists 138–147 publications: 372 scientists 148–157 publications: 457 scientists 158–167 publications: 415 scientists 168–177 publications: 407 scientists 178–187 publications: 421 scientists 188–197 publications: 378 scientists 198–207 publications: 403 scientists 208–217 publications: 317 scientists 218–227 publications: 346 scientists 228–237 publications: 321 scientists 238–247 publications: 260 scientists 248–257 publications: 280 scientists 258–267 publications: 240 scientists 268–277 publications: 214 scientists 278–287 publications: 242 scientists 288–297 publications: 203 scientists 298–307 publications: 166 scientists 308–317 publications: 154 scientists 318–327 publications: 175 scientists 328–337 publications: 159 scientists 338–347 publications: 99 scientists 348–357 publications: 131 scientists 358–367 publications: 106 scientists 368–377 publications: 118 scientists 378–387 publications: 97 scientists 388–397 publications: 108 scientists 398–407 publications: 82 scientists 408–417 publications: 71 scientists 418–427 publications: 64 scientists 428–437 publications: 55 scientists 438–447 publications: 54 scientists 448–457 publications: 60 scientists 458–467 publications: 47 scientists 468–477 publications: 40 scientists 478–487 publications: 30 scientists 488–497 publications: 29 scientists 498–507 publications: 38 scientists 508–517 publications: 40 scientists 518–527 publications: 32 scientists 528–537 publications: 23 scientists 538–547 publications: 28 scientists 548–557 publications: 23 scientists 558–567 publications: 19 scientists 568–577 publications: 16 scientists 578–587 publications: 17 scientists 588–597 publications: 18 scientists 598–607 publications: 22 scientists 608–617 publications: 15 scientists 618–627 publications: 9 scientists 628–637 publications: 11 scientists 638–647 publications: 21 scientists 648–657 publications: 12 scientists 658–667 publications: 9 scientists 668–677 publications: 11 scientists 678–687 publications: 9 scientists 688–697 publications: 6 scientists 698–707 publications: 14 scientists 708–717 publications: 7 scientists 718–727 publications: 8 scientists 728–737 publications: 10 scientists 738–747 publications: 9 scientists 748–757 publications: 5 scientists 758–767 publications: 5 scientists 768–777 publications: 11 scientists 778–787 publications: 7 scientists 788–797 publications: 2 scientists 798–803 publications: 4 scientists 804+ publications: 100 scientists
38 publications 804+

This scientist: 499 publications — 94th percentile

94% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 804 publications or more.

Hiromasa Ito D-index placement in Engineering and Technology in 2026

The chart shows the D-index (discipline H-index) distribution of Engineering and Technology scientists ranked by Research.com in 2026. The highlighted bar marks where Hiromasa Ito sits on this spectrum.

30 D-Index: 59 scientists 31 D-Index: 114 scientists 32 D-Index: 129 scientists 33 D-Index: 189 scientists 34 D-Index: 200 scientists 35 D-Index: 262 scientists 36 D-Index: 311 scientists 37 D-Index: 312 scientists 38 D-Index: 350 scientists 39 D-Index: 385 scientists 40 D-Index: 348 scientists 41 D-Index: 362 scientists 42 D-Index: 426 scientists 43 D-Index: 380 scientists 44 D-Index: 310 scientists 45 D-Index: 341 scientists 46 D-Index: 301 scientists 47 D-Index: 306 scientists 48 D-Index: 271 scientists 49 D-Index: 246 scientists 50 D-Index: 210 scientists 51 D-Index: 253 scientists 52 D-Index: 213 scientists 53 D-Index: 221 scientists 54 D-Index: 195 scientists 55 D-Index: 186 scientists 56 D-Index: 170 scientists 57 D-Index: 167 scientists 58 D-Index: 166 scientists 59 D-Index: 144 scientists 60 D-Index: 152 scientists 61 D-Index: 141 scientists 62 D-Index: 138 scientists 63 D-Index: 131 scientists 64 D-Index: 118 scientists 65 D-Index: 114 scientists 66 D-Index: 119 scientists 67 D-Index: 95 scientists 68 D-Index: 87 scientists 69 D-Index: 77 scientists 70 D-Index: 89 scientists 71 D-Index: 69 scientists 72 D-Index: 54 scientists 73 D-Index: 46 scientists 74 D-Index: 55 scientists 75 D-Index: 54 scientists 76 D-Index: 49 scientists 77 D-Index: 53 scientists 78 D-Index: 46 scientists 79 D-Index: 28 scientists 80 D-Index: 39 scientists 81 D-Index: 36 scientists 82 D-Index: 24 scientists 83 D-Index: 26 scientists 84 D-Index: 36 scientists 85 D-Index: 18 scientists 86 D-Index: 25 scientists 87 D-Index: 19 scientists 88 D-Index: 26 scientists 89 D-Index: 27 scientists 90 D-Index: 23 scientists 91 D-Index: 15 scientists 92 D-Index: 12 scientists 93 D-Index: 9 scientists 94 D-Index: 15 scientists 95 D-Index: 10 scientists 96 D-Index: 13 scientists 97 D-Index: 13 scientists 98 D-Index: 9 scientists 99 D-Index: 7 scientists 100 D-Index: 7 scientists 101 D-Index: 8 scientists 102 D-Index: 7 scientists 103 D-Index: 7 scientists 104 D-Index: 9 scientists 105 D-Index: 6 scientists 106 D-Index: 9 scientists 107+ D-Index: 99 scientists
30 D-Index 107+

This scientist: 60 D-Index — 78th percentile

78% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 107 D-Index or more.

Overview

Hiromasa Ito is affiliated with the RIKEN Center for Advanced Photonics in Japan. Their research spans multiple fields, primarily medicine and engineering, with a strong focus on areas intersecting clinical and technological disciplines.

Their recent scholarly contributions include:

  • Prognostic impact of the timing of antihypertensive medication initiation for hypertension detected at health screening on primary prevention of adverse cardiovascular events: Age-stratified real-world data analysis (2025), Hypertension Research
  • Assessing the performance of zero-shot visual question answering in multimodal large language models for 12-lead ECG image interpretation (2025), Frontiers in Cardiovascular Medicine

Hiromasa Ito's research integrates topics from clinical outcomes to advanced technological applications. The main topics evident across publications include:

  • Cardiac, Anesthesia and Surgical Outcomes
  • Hemodynamic Monitoring and Therapy
  • Terahertz technology and applications
  • Photonic and Optical Devices
  • Blood Pressure and Hypertension Studies
  • Health Systems, Economic Evaluations, Quality of Life
  • Semiconductor Quantum Structures and Devices

Their work is published in journals frequently associated with cardiovascular and interdisciplinary biomedical research, notably:

  • Scientific Reports
  • Circulation Journal
  • Frontiers in Cardiovascular Medicine
  • Hypertension Research
  • IEEE Transactions on Human-Machine Systems

Collaborations have been a significant aspect of their research activity, with frequent co-authors including Yoshimasa Kawazoe, Yu Akagi, Toru Takiguchi, Kazuhiko Ohe, and Kazumi Kubota. Each of these collaborators has partnered on multiple publications, establishing a network of expertise across clinical and engineering domains.

Their subfields of study emphasize surgical methodologies and engineering innovations, comprising:

  • Surgery
  • Electrical and Electronic Engineering
  • Cardiology and Cardiovascular Medicine
  • Pulmonary and Respiratory Medicine
  • Economics and Econometrics

Hiromasa Ito's multidisciplinary approach bridges medical sciences with technological advances, focusing on health outcome optimization and the integration of novel photonic and electronic modalities in clinical settings.

Best Publications

  • COHERENT TUNABLE THZ-WAVE GENERATION FROM LINBO3 WITH MONOLITHIC GRATING COUPLER

    Kodo Kawase;Manabu Sato;Tetsuo Taniuchi;Hiromasa Ito

  • Terahertz wave parametric source

    Kodo Kawase;Jun-ichi Shikata;Hiromasa Ito

  • Terahertz-wave surface-emitted difference frequency generation in slant-stripe-type periodically poled LiNbO3 crystal

    Yuzo Sasaki;Avetisyan Yuri;Kodo Kawase;Hiromasa Ito

  • Difference-frequency terahertz-wave generation from 4-dimethylamino-N-methyl-4-stilbazolium-tosylate by use of an electronically tuned Ti:sapphire laser.

    K. Kawase;M. Mizuno;S. Sohma;H. Takahashi

  • Fabrication of periodic domain grating in LiNbO3 by electron beam writing for application of nonlinear optical processes

    H. Ito;C. Takyu;H. Inaba

  • Tunable terahertz-wave generation from DAST crystal by dual signal-wave parametric oscillation of periodically poled lithium niobate.

    Kodo Kawase;Takaaki Hatanaka;Hidenori Takahashi;Koichiro Nakamura

  • Transform-limited, narrow-linewidth, terahertz-wave parametric generator

    Kodo Kawase;Jun-ichi Shikata;Kazuhiro Imai;Hiromasa Ito

  • Quasi-phase-matched optical parametric oscillation with periodically poled stoichiometric LiTaO(3).

    Takaaki Hatanaka;Koichiro Nakamura;Tetsuo Taniuchi;Hiromasa Ito

  • Component spatial pattern analysis of chemicals using terahertz spectroscopic imaging

    Y. Watanabe;K. Kawase;T. Ikari;H. Ito

  • Unidirectional radiation of widely tunable THz wave using a prism coupler under noncollinear phase matching condition

    Kodo Kawase;Manabu Sato;Koichiro Nakamura;Tetsuo Taniuchi

  • Arrayed silicon prism coupler for a terahertz-wave parametric oscillator.

    Kodo Kawase;Jun-ichi Shikata;Hiroaki Minamide;Kazuhiro Imai

  • Enhancement of terahertz-wave output from LiNbO 3 optical parametric oscillators by cryogenic cooling

    Jun Ichi Shikata;Manabu Sato;Tetsuo Taniuchi;Hiromasa Ito

  • Powerful red-green-blue laser source pumped with a mode-locked thin disk laser.

    Felix Brunner;Edith Innerhofer;Sergio V. Marchese;Thomas Südmeyer

  • Far-infrared properties of DAST.

    Markus Walther;Kasper Jensby;Søren Rud Keiding;Hidenori Takahashi

  • Injection-seeded terahertz-wave parametric generator with wide tunability

    Kodo Kawase;Hiroaki Minamide;Kazuhiro Imai;Jun-ichi Shikata

  • Generalized study on angular dependence of induced second‐order nonlinear optical polarizations and phase matching in biaxial crystals

    Hiromasa Ito;Hatsuhiko Naito;Humio Inaba

  • THz-wave parametric oscillator with a surface-emitted configuration.

    Tomofumi Ikari;Xianbin Zhang;Hiroaki Minamide;Hiromasa Ito

  • Liquid-crystal microlens with a beam-steering function.

    Shin Masuda;Sounosuke Takahashi;Toshiaki Nose;Susumu Sato

  • Random Frequency Accessible Broad Tunable Terahertz-Wave Source Using Phase-Matched 4-Dimethylamino-N-methyl-4-stilbazolium Tosylate Crystal

    Hiromasa Ito;Koji Suizu;Tomoyu Yamashita;Akira Nawahara

  • Terahertz-wave near-field imaging with subwavelength resolution using surface-wave-assisted bow-tie aperture

    Kunihiko Ishihara;Keishi Ohashi;Tomofumi Ikari;Hiroaki Minamide

  • Component Spatial Pattern Analysis of Chemicals Using Terahertz Spectroscopic Imaging

    Kodo Kawase;Yuuki Watanabe;Yuichi Ogawa;Hiromasa Ito

Frequent Co-Authors

Kodo Kawase
Kodo Kawase Nagoya University
Taiichi Otsuji
Taiichi Otsuji Tohoku University
Ming Tang
Ming Tang Huazhong University of Science and Technology
Kenji Kitamura
Kenji Kitamura National Institute for Materials Science
Hideki Hashimoto
Hideki Hashimoto Kwansei Gakuin University
Satoshi Wada
Satoshi Wada University of Yamanashi
Sunao Kurimura
Sunao Kurimura National Institute for Materials Science
Wojciech Knap
Wojciech Knap Warsaw University of Technology
Jun-ichi Nishizawa
Jun-ichi Nishizawa Tohoku University

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