World's Best Scientists 2026 revealed!
Shiro Saka

Shiro Saka

D-Index & Metrics

Chemistry

D-Index
73
Citations
21069
World Ranking
4912
National Ranking
282

Shiro Saka 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 Shiro Saka 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: 318 publications — 67th percentile

67% of scientists in this discipline score the same or lower.

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

Shiro Saka 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 Shiro Saka 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: 73 D-Index — 73rd percentile

73% of scientists in this discipline score the same or lower.

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

Overview

Shiro Saka is affiliated with Kyoto University in Japan and conducts research primarily in the field of Engineering. Their work notably spans several subfields including Biomedical Engineering, Mechanical Engineering, Materials Chemistry, Renewable Energy, Sustainability and the Environment, and Process Chemistry and Technology.

The main topics covered in Shiro Saka's research include:

  • Catalysis for Biomass Conversion
  • Catalysis and Hydrodesulfurization Studies
  • Biofuel production and bioconversion
  • Lignin and Wood Chemistry
  • Biodiesel Production and Applications
  • Catalytic Processes in Materials Science
  • Electrocatalysts for Energy Conversion

Shiro Saka's recent publications encompass a variety of studies related to catalytic processes, biomass conversion, and renewable fuels. Their recent papers include:

  • TiO2-supported Ni-Sn as an effective hydrogenation catalyst for aqueous acetic acid to ethanol, 2020, Energy Reports
  • Two-step Conversion of Acetic Acid to Bioethanol by Ethyl Esterification and Catalytic Hydrogenolysis, 2020, Journal of the Japan Petroleum Institute
  • Oxidative Cleavage of Linoleic and Linolenic Acids Followed by Decarboxylation for Hydrocarbon Production, 2020, Journal of the Japan Institute of Energy
  • Alternative Route for Biodiesel Synthesis with Co-Production of Glycerol Carbonate, 2021, Journal of Physics Conference Series
  • Hydrogenation of Aqueous Acetic Acid over Ru-Sn/TiO2 Catalyst in a Flow-Type Reactor, Governed by Reverse Reaction, 2020, Catalysts

Frequent co-authors collaborating with Shiro Saka are:

  • Eiji Minami
  • Haruo Kawamoto
  • Yuanyuan Zhao
  • Takayuki Nishida
  • Natthanon Phaiboonsilpa

Shiro Saka's work has been published across various journals, reflecting the interdisciplinary and applied nature of their research. These publication venues include:

  • Energy Reports
  • Journal of the Japan Petroleum Institute
  • Journal of the Japan Institute of Energy
  • Journal of Physics Conference Series
  • Catalysts

Best Publications

  • Biodiesel fuel from rapeseed oil as prepared in supercritical methanol

    S Saka;D Kusdiana

  • Kinetics of transesterification in rapeseed oil to biodiesel fuel as treated in supercritical methanol

    D Kusdiana;S Saka

  • Effects of water on biodiesel fuel production by supercritical methanol treatment.

    Dadan Kusdiana;Shiro Saka

  • Bioconversion of hybrid poplar to ethanol and co-products using an organosolv fractionation process: Optimization of process yields

    Xuejun Pan;Neil Gilkes;John Kadla;Kendall Pye

  • Reactivity of triglycerides and fatty acids of rapeseed oil in supercritical alcohols.

    Yuichiro Warabi;Dadan Kusdiana;Shiro Saka

  • Cellulose–hemicellulose and cellulose–lignin interactions in wood pyrolysis at gasification temperature

    T. Hosoya;H. Kawamoto;S. Saka

  • Various pretreatments of lignocellulosics

    Harifara Rabemanolontsoa;Shiro Saka

  • Kinetics of hydrolysis and methyl esterification for biodiesel production in two-step supercritical methanol process

    Eiji Minami;Shiro Saka

  • Thermodynamic study on cloud point of biodiesel with its fatty acid composition

    Hiroaki Imahara;Eiji Minami;Shiro Saka

  • Thermal stability of biodiesel in supercritical methanol

    Hiroaki Imahara;Eiji Minami;Shusaku Hari;Shiro Saka

  • Thermal reactions of guaiacol and syringol as lignin model aromatic nuclei

    Mohd Asmadi;Haruo Kawamoto;Shiro Saka

  • Pyrolysis behavior of levoglucosan as an intermediate in cellulose pyrolysis: polymerization into polysaccharide as a key reaction to carbonized product formation

    Haruo Kawamoto;Masaru Murayama;Shiro Saka

  • Pyrolysis behaviors of wood and its constituent polymers at gasification temperature

    T. Hosoya;H. Kawamoto;S. Saka

  • Biodiesel production by heterogeneous catalysts and supercritical technologies.

    Jin-Suk Lee;Shiro Saka

  • Different action of alkali/alkaline earth metal chlorides on cellulose pyrolysis

    Naoki Shimada;H. Kawamoto;S. Saka

  • A new process for catalyst-free production of biodiesel using supercritical methyl acetate

    Shiro Saka;Yohei Isayama

  • Methyl Esterification of Free Fatty Acids of Rapeseed Oil as Treated in Supercritical Methanol

    Dadan Kusdiana;Shiro Saka

  • Pyrolysis reactions of various lignin model dimers

    Haruo Kawamoto;Sunao Horigoshi;Shiro Saka

  • Two-step preparation for catalyst-free biodiesel fuel production: hydrolysis and methyl esterification.

    Dadan Kusdiana;Shiro Saka

  • Role of methoxyl group in char formation from lignin-related compounds

    Takashi Hosoya;Haruo Kawamoto;Shiro Saka

  • A comparative study on chemical conversion of cellulose between the batch-type and flow-type systems in supercritical water

    Katsunobu Ehara;Shiro Saka

Frequent Co-Authors

Keiji Takabe
Keiji Takabe Kyoto University
Neil R. Gilkes
Neil R. Gilkes University of British Columbia
Martin A. Hubbe
Martin A. Hubbe North Carolina State University
Hiroko Tokoro
Hiroko Tokoro University of Tsukuba
Gerhard Knothe
Gerhard Knothe National Center for Agricultural Utilization Research
Xuejun Pan
Xuejun Pan University of Wisconsin–Madison
John F. Kadla
John F. Kadla University of British Columbia
John N. Saddler
John N. Saddler University of British Columbia

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