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Hiroyasu Iwahara

Hiroyasu Iwahara

D-Index & Metrics

Chemistry

D-Index
67
Citations
16959
World Ranking
6859
National Ranking
442

Hiroyasu Iwahara 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 Hiroyasu Iwahara 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: 212 publications — 37th percentile

37% of scientists in this discipline score the same or lower.

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

Hiroyasu Iwahara 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 Hiroyasu Iwahara 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: 67 D-Index — 62nd percentile

62% of scientists in this discipline score the same or lower.

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

Overview

Hiroyasu Iwahara is affiliated with Nagoya University in Japan. The academic profile does not list recent papers, co-authors, book publications, or detailed fields of study associated with this researcher.

Available data does not specify particular research topics, subfields, or primary areas of study. Likewise, there is no information about publications in specific venues or any awards received by this scientist.

The absence of detailed publication records or collaborative connections suggests either early career status, a focus outside conventional publication channels, or incomplete data reporting. Nonetheless, as an active researcher at a well-established institution, Hiroyasu Iwahara contributes to the academic community through their affiliation with Nagoya University.

Best Publications

  • Protonic conduction in Zr-substituted BaCeO3

    Koji Katahira;Yoshirou Kohchi;Tetsuo Shimura;Hiroyasu Iwahara

  • Protonic conduction in calcium, strontium and barium zirconates

    H Iwahara;T Yajima;T Hibino;K Ozaki

  • Technological challenges in the application of proton conducting ceramics

    Hiroyasu Iwahara

  • Prospect of hydrogen technology using proton-conducting ceramics

    Hiroyasu Iwahara;Yamato Asakura;Koji Katahira;Masahiro Tanaka

  • Proton conducting ceramics and their applications

    Hiroyasu Iwahara

  • Oxide ion conductors based on bismuthsesquioxide

    Takehiko Takahashi;Hiroyasu Iwahara

  • Protonic conduction in SrZrO3-based oxides

    T. Yajima;H. Suzuki;T. Yogo;H. Iwahara

  • Proton conduction in sintered oxides based on CaZrO3

    T Yajima;H Kazeoka;T Yogo;H Iwahara

  • Performance of Solid Oxide Fuel Cell Using Proton and Oxide Ion Mixed Conductors Based on BaCe1 − x Sm x O 3 − α

    Hiroyasu Iwahara;Tamotsu Yajima;Takashi Hibino;Haruhisa Ushida

  • High oxide ion conduction in sintered Bi2O3 containing SrO, CaO or La2O3

    T. Takahashi;H. Iwahara;Y. Nagai

  • Ionic conduction and nonstoichiometry in BaxCe0.90Y0.10O3−α

    Guilin Ma;Tetsuo Shimura;Hiroyasu Iwahara

  • High oxide ion conduction in sintered oxides of the system Bi2O3-WO3

    Takehiko Takahashi;Hiroyasu Iwahara

  • Application of hydrogen sensor using proton conductive ceramics as a solid electrolyte to aluminum casting industries

    Tamotsu Yajima;Kunihiro Koide;Haruki Takai;Nirihiko Fukatsu

  • Oxide-ionic and protonic conductors based on perovskite-type oxides and their possible applications

    H. Iwahara

  • Protonic conduction in the single crystals of SrZrO3 and SrCeO3 doped with Y2O3

    S. Shin;H.H. Huang;M. Ishigame;H. Iwahara

  • Proton conduction in non-perovskite-type oxides at elevated temperatures

    Tetsuo Shimura;Seiichi Fujimoto;Hiroyasu Iwahara

  • Proton conductive properties of gadolinium-doped barium cerates at high temperatures

    Noboru Taniguchi;Kazuhito Hatoh;Junji Niikura;Takaharu Gamo

  • Evaluation of proton conductivity in SrCeO3, BaCeO3, CaZrO3 and SrZrO3 by temperature programmed desorption method

    T Hibino;K Mizutani;T Yajima;H Iwahara

  • High Oxide Ion Conduction in Sintered Oxide of the System Bi2 O 3 ‐ M 2 O 5

    Takehiko Takahashi;Hiroyasu Iwahara;Takao Esaka

  • High temperature proton conducting oxides and their applications to solid electrolyte fuel cells and steam electrolyzer for hydrogen production

    Unknown

  • Hydrogen pumps using proton-conducting ceramics and their applications

    Hiroyasu Iwahara

Frequent Co-Authors

Takashi Hibino
Takashi Hibino Nagoya University
Zempachi Ogumi
Zempachi Ogumi Kyoto University
Hiroyuki Uchida
Hiroyuki Uchida University of Yamanashi
Junichiro Mizusaki
Junichiro Mizusaki Tohoku University
Ryoji Kanno
Ryoji Kanno Tokyo Institute of Technology
John T. S. Irvine
John T. S. Irvine University of St Andrews
Osamu Takai
Osamu Takai Nagoya University
Shik Shin
Shik Shin University of Tokyo

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