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T. Okoshi

D-Index & Metrics

Engineering and Technology

D-Index
35
Citations
6223
World Ranking
8917
National Ranking
193

T. Okoshi 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 T. Okoshi 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: 163 publications — 33rd percentile

33% of scientists in this discipline score the same or lower.

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

T. Okoshi 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 T. Okoshi 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: 35 D-Index — 10th percentile

10% of scientists in this discipline score the same or lower.

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

Overview

T. Okoshi is affiliated with the University of Tokyo in Japan and specializes in computer science. Their research spans various subfields, including computer vision and pattern recognition, artificial intelligence, experimental and cognitive psychology, information systems, and obstetrics and gynecology.

The scientist's research topics cover several areas such as sentiment analysis and opinion mining, human mobility and location-based analysis, advanced image and video retrieval techniques, emotion and mood recognition, mobile crowdsensing and crowdsourcing, innovative human-technology interaction, and green IT and sustainability.

T. Okoshi has contributed to multiple publications in reputable venues. Among the frequent publication venues are:

  • arXiv (Cornell University)
  • Computers
  • IEEE Transactions on Affective Computing
  • Social Network Analysis and Mining
  • BMC Pregnancy and Childbirth

Some of their recent papers include:

  • "Combining Blockchains, Smart Contracts, and Complex Sensors Management Platform for Hyper-Connected SmartCities: An IoT Data Marketplace Use Case," 2021, Computers
  • "ER-Chat: A Text-to-Text Open-Domain Dialogue Framework for Emotion Regulation," 2022, IEEE Transactions on Affective Computing
  • "Investigating the occurrence of selfie-based emotional contagion over social network," 2021, Social Network Analysis and Mining
  • "Protocol for an interventional study to reduce postpartum weight retention in obese mothers using the internet of things and a mobile application: a randomized controlled trial (SpringMom)," 2021, BMC Pregnancy and Childbirth
  • "A Bus Crowdedness Sensing System Using Deep-Learning Based Object Detection," 2022, IEICE Transactions on Information and Systems

Okoshi frequently collaborates with several co-authors, indicating active participation in research networks and joint projects. Key co-authors include:

  • Jin Nakazawa
  • Wataru Sasaki
  • Yuuki Nishiyama
  • Kota Tsubouchi

Best Publications

  • Novel method for high resolution measurement of laser output spectrum

    T. Okoshi;K. Kikuchi;A. Nakayama

  • Three-Dimensional Imaging Techniques

    Unknown

  • Polarization-state control schemes for heterodyne or homodyne optical fiber communications

    T. Okoshi

  • Three-dimensional displays

    Unknown

  • Degradation of bit-error rate in coherent optical communications due to spectral spread of the transmitter and the local oscillator

    K. Kikuchi;T. Okoshi;M. Nagamatsu;N. Henmi

  • The Planar Circuit - An Approach to Microwave Integrated Circuitry

    Unknown

  • Frequency stabilisation of semiconductor lasers for heterodyne-type optical communication systems

    T. Okoshi;K. Kikuchi

  • Computation of Bit-Error Rate of Various Heterodyne and Coherent-Type Optical Communication Schemes

    T. Okoshi;K. Emura;K. Kikuchi;R. Th. Kersten

  • Single-polarization single-mode optical fibers

    T. Okoshi

  • Simple formula giving spectrum-narrowing ratio of semiconductor-laser output obtained by optical feedback

    K. Kikuchi;T. Okoshi

  • Wavelength-sweeping technique for measuring the beat length of linearly birefringent optical fibers

    Kazuro Kikuchi;Takanori Okoshi

  • The Segmentation Method--An Approach to the Analysis of Microwave Planar Circuits (Short Papers)

    Unknown

  • Single-polarisation single-mode optical fibre with refractive-index pits on both sides of core

    T. Okoshi;K. Oyamada

  • Fault location in optical fibers using optical frequency domain reflectometry

    H. Ghafoori-Shiraz;T. Okoshi

  • Recent progress in heterodyne/coherent optical-fiber communications

    T. Okoshi

  • Recent advances in coherent optical fiber communication systems

    Unknown

  • Heterodyne and Coherent Optical Fiber Communications: Recent Progress

    Unknown

  • Measurement of FM noise, AM noise, and field spectra of 1.3 µm InGaAsP DFB lasers and determination of the linewidth enhancement factor

    K. Kikuchi;T. Okoshi

  • Refractive-index profile of an optical fiber: its measurement by the scattering-pattern method.

    T. Okoshi;K. Hotate

  • Measurement of refractive-index profile and transmission characteristics of a single-mode optical fiber from its exit-radiation pattern

    Kazuo Hotate;Takanori Okoshi

  • Estimation of linewidth enhancement factor of AlGaAs lasers by correlation measurement between FM and AM noises

    K. Kikuchi;T. Okoshi

  • Side-tunnel fibre: an approach to polarisation-maintaining optical waveguiding scheme

    T. Okoshi;K. Oyamada;M. Nishimura;H. Yokota

  • New polarisation-control scheme for optical heterodyne receiver using two Faraday rotators

    T. Okoshi;Y.H. Cheng;K. Kikuchi

  • Suppression of stimulated Brillouin scattering using optical isolators

    Y. Takushima;T. Okoshi

  • Dependence of semiconductor laser linewidth on measurement time: evidence of predominance of 1/f noise

    K. Kikuchi;T. Okoshi

  • Performance improvement and optimization of fiber amplifier with a midway isolator

    S. Yamashita;T. Okoshi

Frequent Co-Authors

Kazuro Kikuchi
Kazuro Kikuchi National Institution for Academic Degrees and Quality Enhancement of Higher Education
Kazuo Hotate
Kazuo Hotate Toyota Technological Institute
Shinji Yamashita
Shinji Yamashita University of Tokyo

External Links

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Best Scientists Citing T. Okoshi

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National Institution for Academic Degrees and Quality Enhancement of Higher Education

Publications: 30

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Harvard University

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Tohoku University

Publications: 26

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Dublin City University

Publications: 21

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Leonid G. Kazovsky

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Publications: 19

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The University of Texas at Dallas

Publications: 14

Alan D. Kersey

Alan D. Kersey

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Publications: 14

Manuel Martínez-Corral

Manuel Martínez-Corral

University of Valencia

Publications: 13

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Publications: 13

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United States Naval Research Laboratory

Publications: 13

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University of California, Santa Barbara

Publications: 13

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Publications: 10

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