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D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Chemistry 57 11356 10234 835 765 526 9067
Biology and Biochemistry 57 14062 12935 995 931 504 9151

Isao Tanaka publications per year

The chart shows the history of publications by Isao Tanaka between 1981 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Isao Tanaka published across 45 years, from 1981 to 2025, averaging 13.1 papers a year. Output peaked at 48 publications in 2011. 17 of the 591 publications appeared in the last two years.

No. of publications
10 20 30 40
Bar chart. Horizontal axis: year, 1981 to 2025. Vertical axis: number of publications, 0 to 48. Peak 48 publications in 2011. 1981: 3 publications 1982: 1 publication 1983: 0 publications 1984: 7 publications 1985: 0 publications 1986: 2 publications 1987: 0 publications 1988: 2 publications 1989: 3 publications 1990: 3 publications 1991: 0 publications 1992: 3 publications 1993: 3 publications 1994: 5 publications 1995: 2 publications 1996: 10 publications 1997: 9 publications 1998: 5 publications 1999: 12 publications 2000: 16 publications 2001: 13 publications 2002: 21 publications 2003: 30 publications 2004: 39 publications 2005: 40 publications 2006: 44 publications 2007: 27 publications 2008: 46 publications 2009: 26 publications 2010: 34 publications 2011: 48 publications 2012: 15 publications 2013: 33 publications 2014: 27 publications 2015: 6 publications 2016: 7 publications 2017: 5 publications 2018: 1 publication 2019: 0 publications 2020: 2 publications 2021: 0 publications 2022: 10 publications 2023: 14 publications 2024: 10 publications 2025: 7 publications
1981 2025

591 publications in total across all disciplines

View publications per year as a table
Isao Tanaka: publications per year, 1981 to 2025
Year Publications
1981 3
1982 1
1983 0
1984 7
1985 0
1986 2
1987 0
1988 2
1989 3
1990 3
1991 0
1992 3
1993 3
1994 5
1995 2
1996 10
1997 9
1998 5
1999 12
2000 16
2001 13
2002 21
2003 30
2004 39
2005 40
2006 44
2007 27
2008 46
2009 26
2010 34
2011 48
2012 15
2013 33
2014 27
2015 6
2016 7
2017 5
2018 1
2019 0
2020 2
2021 0
2022 10
2023 14
2024 10
2025 7
Total 591
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Isao Tanaka 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 Isao Tanaka sits on this spectrum.

No. of scientists
250 500 750 1,000 1,250
Bar chart with 63 bars. Horizontal axis: publications, 61–80 to 1,295+. Vertical axis: number of scientists, 0 to 1,350. Most scientists, 1,350, have 161–180 publications. The last bar groups every scientist with 1,295 publications or more. The highlighted bar, 521–540 publications, is where this scientist sits. 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
61–80 publications 1,295+

This scientist: 526 publications — 90th percentile

90% of scientists in this discipline score the same or lower.

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

View publications distribution as a table
Number of Chemistry scientists by publication count, Research.com 2026 ranking edition. Based on 17,934 ranked scientists.
Publications Scientists This scientist
61–80 66
81–100 302
101–120 623
121–140 918
141–160 1,218
161–180 1,350
181–200 1,344
201–220 1,281
221–240 1,216
241–260 1,100
261–280 979
281–300 939
301–320 764
321–340 643
341–360 628
361–380 522
381–400 459
401–420 397
421–440 327
441–460 270
461–480 265
481–500 252
501–520 201
521–540 185 526
541–560 148
561–580 148
581–600 132
601–620 114
621–640 104
641–660 91
661–680 92
681–700 73
701–720 57
721–740 54
741–760 67
761–780 45
781–800 46
801–820 39
821–840 32
841–860 36
861–880 29
881–900 26
901–920 24
921–940 14
941–960 23
961–980 28
981–1,000 15
1,001–1,020 29
1,021–1,040 12
1,041–1,060 19
1,061–1,080 12
1,081–1,100 6
1,101–1,120 8
1,121–1,140 12
1,141–1,160 5
1,161–1,180 6
1,181–1,200 14
1,201–1,220 7
1,221–1,240 2
1,241–1,260 6
1,261–1,280 4
1,281–1,294 6
1,295+ 100
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Isao Tanaka 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 Isao Tanaka sits on this spectrum.

No. of scientists
250 500 750 1,000
Bar chart with 61 bars. Horizontal axis: D-Index, 40–41 to 159+. Vertical axis: number of scientists, 0 to 1,051. Most scientists, 1,051, have 56–57 D-Index. The last bar groups every scientist with 159 D-Index or more. The highlighted bar, 56–57 D-Index, is where this scientist sits. 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
40–41 D-Index 159+

This scientist: 57 D-Index — 39th percentile

39% of scientists in this discipline score the same or lower.

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

View D-Index distribution as a table
Number of Chemistry scientists by D-index, Research.com 2026 ranking edition. Based on 17,934 ranked scientists.
D-Index Scientists This scientist
40–41 289
42–43 612
44–45 808
46–47 776
48–49 835
50–51 861
52–53 872
54–55 933
56–57 1,051 57
58–59 930
60–61 882
62–63 834
64–65 731
66–67 775
68–69 683
70–71 646
72–73 561
74–75 501
76–77 437
78–79 388
80–81 354
82–83 292
84–85 275
86–87 254
88–89 235
90–91 185
92–93 192
94–95 155
96–97 163
98–99 125
100–101 105
102–103 105
104–105 112
106–107 88
108–109 68
110–111 69
112–113 65
114–115 79
116–117 61
118–119 44
120–121 37
122–123 40
124–125 33
126–127 26
128–129 34
130–131 35
132–133 25
134–135 27
136–137 17
138–139 16
140–141 20
142–143 20
144–145 15
146–147 9
148–149 9
150–151 16
152–153 11
154–155 9
156–157 3
158 3
159+ 98
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Overview

Isao Tanaka is affiliated with Hokkaido University in Japan, contributing extensively to the fields of materials science and engineering. Their research spans multiple subfields, including electrical and electronic engineering, materials chemistry, electronic, optical and magnetic materials, condensed matter physics, and molecular biology.

Their work covers several key topics within their disciplines:

  • Iron-based superconductors research
  • Advanced battery materials and technologies
  • Physics of superconductivity and magnetism
  • Advancements in battery materials
  • Rare-earth and actinide compounds
  • Chalcogenide semiconductor thin films
  • Ferroelectric and piezoelectric materials

Tanaka has coauthored numerous publications with several frequent collaborators, notably Masanori Nagao, Satoshi Watauchi, Yuki Maruyama, Yoshihiko Takano, and Akira Miura.

Their research has appeared repeatedly in a selection of scientific venues that include:

  • SSRN Electronic Journal
  • Journal of Crystal Growth
  • arXiv (Cornell University)
  • Crystal Growth & Design
  • Journal of the Ceramic Society of Japan

Selected recent publications by Isao Tanaka include:

  • Implementation strategies in phonopy and phono3py, 2023, Journal of Physics Condensed Matter
  • Protonic Conduction in the BaNdInO4 Structure Achieved by Acceptor Doping, 2021, Chemistry of Materials
  • Influence of Se doping on recently synthesized NaInS2-xSex solid solutions for potential thermo-mechanical applications studied via first-principles method, 2020, Materials Today Communications
  • Growth and Characterization of ROBiS2 High-Entropy Superconducting Single Crystals, 2020, ACS Omega
  • NaInX2 (X = S, Se) layered materials for energy harvesting applications: first-principles insights into optoelectronic and thermoelectric properties, 2021, Journal of Materials Science Materials in Electronics

The scope of Tanaka's research reflects an integration of experimental and computational approaches applied to next-generation materials for electronic, optical, and energy-related applications. Their publications indicate a consistent interest in superconductivity, thermoelectric materials, and the chemistry of rare-earth compounds.

Best Publications

  • 3-Å resolution structure of a protein with histone-like properties in prokaryotes

    Isao Tanaka;Isao Tanaka;Krzysztof Appelt;Jan Dijk;Stephen W. White;Stephen W. White

  • Roll: a new algorithm for the detection of protein pockets and cavities with a rolling probe sphere

    Jian Yu;Yong Zhou;Isao Tanaka;Min Yao

  • Crystal structure of the macrophage migration inhibitory factor from rat liver.

    Mamoru Suzuki;Hiroshi Sugimoto;Atsushi Nakagawa;Isao Tanaka

  • Crystal structure of nitric oxide reductase from denitrifying fungus Fusarium oxysporum.

    S Y Park;H Shimizu;S Adachi;A Nakagawa

  • Insight into a natural Diels-Alder reaction from the structure of macrophomate synthase.

    Toyoyuki Ose;Kenji Watanabe;Takashi Mie;Mamoru Honma

  • Structural reorganization of the bacterial cell-division protein FtsZ from Staphylococcus aureus

    Takashi Matsui;Junji Yamane;Nobuyuki Mogi;Hiroto Yamaguchi

  • A protein structural motif that bends DNA.

    Stephen W. White;Krzysztof Appelt;Keith S. Wilson;Isao Tanaka

  • Crystal structure of archaeal toxin-antitoxin RelE-RelB complex with implications for toxin activity and antitoxin effects

    Hisanori Takagi;Yoshimitsu Kakuta;Takahiro Okada;Min Yao

  • Crystal structure of the octameric pore of staphylococcal γ-hemolysin reveals the β-barrel pore formation mechanism by two components.

    Keitaro Yamashita;Yuka Kawai;Yoshikazu Tanaka;Nagisa Hirano

  • Crystal structure of human D-dopachrome tautomerase, a homologue of macrophage migration inhibitory factor, at 1.54 A resolution.

    Hiroshi Sugimoto;Masae Taniguchi;Atsushi Nakagawa;Isao Tanaka

  • Structure of bacterial cellulose synthase subunit D octamer with four inner passageways

    Song Qing Hu;Yong Gui Gao;Yong Gui Gao;Kenji Tajima;Naoki Sunagawa

  • Ammonia channel couples glutaminase with transamidase reactions in GatCAB.

    Akiyoshi Nakamura;Min Yao;Sarin Chimnaronk;Sarin Chimnaronk;Naoki Sakai

  • The crystal structure of human MRP14 (S100A9), a Ca(2+)-dependent regulator protein in inflammatory process.

    Hiroshi Itou;Min Yao;Ikuko Fujita;Nobuhisa Watanabe

  • Structural and Functional Analysis of a Glycoside Hydrolase Family 97 Enzyme from Bacteroides thetaiotaomicron

    Momoyo Kitamura;Masayuki Okuyama;Fumiko Tanzawa;Haruhide Mori

  • Escherichia coli positive regulator OmpR has a large loop structure at the putative RNA polymerase interaction site.

    Hidemasa Kondo;Atsushi Nakagawa;Jun Nishihira;Yoshifumi Nishimura

  • A high‐performance neutron diffractometer for biological crystallography (BIX‐3)

    I. Tanaka;K. Kurihara;T. Chatake;N. Niimura

  • Molecular Basis of Transmembrane Beta-Barrel Formation of Staphylococcal Pore-Forming Toxins

    Daichi Yamashita;Takaki Sugawara;Miyu Takeshita;Jun Kaneko

  • Crystal structure of hypothetical protein TTHB192 from Thermus thermophilus HB8 reveals a new protein family with an RNA recognition motif-like domain

    Akio Ebihara;Min Yao;Ryoji Masui;Isao Tanaka

  • Crystal structure of macrophage migration inhibitory factor from human Å lymphocyte at 2.1 Å resolution

    Hiroshi Sugimoto;Mamoru Suzuki;Atsushi Nakagawa;Isao Tanaka

  • Structural basis for multimeric heme complexation through a specific protein-heme interaction: the case of the third neat domain of IsdH from Staphylococcus aureus.

    Masato Watanabe;Yoshikazu Tanaka;Yoshikazu Tanaka;Ayuko Suenaga;Makoto Kuroda

  • How Oligomerization Contributes to the Thermostability of an Archaeon Protein PROTEIN l-ISOASPARTYL-O-METHYLTRANSFERASE FROM SULFOLOBUS TOKODAII

    Yoshikazu Tanaka;Yoshikazu Tanaka;Kouhei Tsumoto;Yoshiaki Yasutake;Mitsuo Umetsu

Frequent Co-Authors

Min Yao
Min Yao Hokkaido University
Yoshikazu Tanaka
Yoshikazu Tanaka Tohoku University
Atsushi Nakagawa
Atsushi Nakagawa Osaka University
Makoto Kimura
Makoto Kimura Kyushu University
Jun Nishihira
Jun Nishihira Hokkaido University
Kouhei Tsumoto
Kouhei Tsumoto University of Tokyo
Yoshihiko Takano
Yoshihiko Takano National Institute for Materials Science
Makoto Kuroda
Makoto Kuroda National Institutes of Health
Tomohiro Tamura
Tomohiro Tamura National Institute of Advanced Industrial Science and Technology
Soichi Wakatsuki
Soichi Wakatsuki Stanford University

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