World's Best Scientists 2026 revealed!
Tadahisa Iwata

Tadahisa Iwata

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Materials Science 62 6412 6199 324 315 320 15597
Chemistry 62 8741 7925 602 559 295 15418

Tadahisa Iwata publications per year

The chart shows the history of publications by Tadahisa Iwata between 1991 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Tadahisa Iwata published across 35 years, from 1991 to 2025, averaging 10.7 papers a year. Output peaked at 32 publications in 2021. 37 of the 373 publications appeared in the last two years.

No. of publications
10 20 30
Bar chart. Horizontal axis: year, 1991 to 2025. Vertical axis: number of publications, 0 to 32. Peak 32 publications in 2021. 1991: 1 publication 1992: 1 publication 1993: 0 publications 1994: 1 publication 1995: 0 publications 1996: 3 publications 1997: 6 publications 1998: 5 publications 1999: 6 publications 2000: 5 publications 2001: 16 publications 2002: 9 publications 2003: 13 publications 2004: 18 publications 2005: 16 publications 2006: 15 publications 2007: 15 publications 2008: 8 publications 2009: 7 publications 2010: 11 publications 2011: 7 publications 2012: 13 publications 2013: 12 publications 2014: 13 publications 2015: 10 publications 2016: 13 publications 2017: 13 publications 2018: 12 publications 2019: 16 publications 2020: 11 publications 2021: 32 publications 2022: 13 publications 2023: 15 publications 2024: 14 publications 2025: 23 publications
1991 2025

373 publications in total across all disciplines

View publications per year as a table
Tadahisa Iwata: publications per year, 1991 to 2025
Year Publications
1991 1
1992 1
1993 0
1994 1
1995 0
1996 3
1997 6
1998 5
1999 6
2000 5
2001 16
2002 9
2003 13
2004 18
2005 16
2006 15
2007 15
2008 8
2009 7
2010 11
2011 7
2012 13
2013 12
2014 13
2015 10
2016 13
2017 13
2018 12
2019 16
2020 11
2021 32
2022 13
2023 15
2024 14
2025 23
Total 373
Download as CSV

Tadahisa Iwata publication distribution in Materials Science in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Materials Science in 2026. The highlighted bar marks where Tadahisa Iwata sits on this spectrum.

No. of scientists
200 400 600 800
Bar chart with 57 bars. Horizontal axis: publications, 50–69 to 1,163+. Vertical axis: number of scientists, 0 to 891. Most scientists, 891, have 190–209 publications. The last bar groups every scientist with 1,163 publications or more. The highlighted bar, 310–329 publications, is where this scientist sits. 50–69 publications: 28 scientists 70–89 publications: 152 scientists 90–109 publications: 356 scientists 110–129 publications: 487 scientists 130–149 publications: 723 scientists 150–169 publications: 835 scientists 170–189 publications: 850 scientists 190–209 publications: 891 scientists 210–229 publications: 862 scientists 230–249 publications: 766 scientists 250–269 publications: 726 scientists 270–289 publications: 665 scientists 290–309 publications: 593 scientists 310–329 publications: 537 scientists 330–349 publications: 477 scientists 350–369 publications: 440 scientists 370–389 publications: 356 scientists 390–409 publications: 321 scientists 410–429 publications: 256 scientists 430–449 publications: 246 scientists 450–469 publications: 216 scientists 470–489 publications: 212 scientists 490–509 publications: 174 scientists 510–529 publications: 194 scientists 530–549 publications: 162 scientists 550–569 publications: 131 scientists 570–589 publications: 111 scientists 590–609 publications: 103 scientists 610–629 publications: 99 scientists 630–649 publications: 77 scientists 650–669 publications: 92 scientists 670–689 publications: 56 scientists 690–709 publications: 53 scientists 710–729 publications: 53 scientists 730–749 publications: 38 scientists 750–769 publications: 52 scientists 770–789 publications: 43 scientists 790–809 publications: 38 scientists 810–829 publications: 34 scientists 830–849 publications: 25 scientists 850–869 publications: 18 scientists 870–889 publications: 20 scientists 890–909 publications: 24 scientists 910–929 publications: 27 scientists 930–949 publications: 20 scientists 950–969 publications: 17 scientists 970–989 publications: 10 scientists 990–1,009 publications: 16 scientists 1,010–1,029 publications: 13 scientists 1,030–1,049 publications: 12 scientists 1,050–1,069 publications: 9 scientists 1,070–1,089 publications: 8 scientists 1,090–1,109 publications: 7 scientists 1,110–1,129 publications: 9 scientists 1,130–1,149 publications: 2 scientists 1,150–1,162 publications: 5 scientists 1,163+ publications: 100 scientists
50–69 publications 1,163+

This scientist: 320 publications — 64th percentile

64% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 1,163 publications or more.

View publications distribution as a table
Number of Materials Science scientists by publication count, Research.com 2026 ranking edition. Based on 12,847 ranked scientists.
Publications Scientists This scientist
50–69 28
70–89 152
90–109 356
110–129 487
130–149 723
150–169 835
170–189 850
190–209 891
210–229 862
230–249 766
250–269 726
270–289 665
290–309 593
310–329 537 320
330–349 477
350–369 440
370–389 356
390–409 321
410–429 256
430–449 246
450–469 216
470–489 212
490–509 174
510–529 194
530–549 162
550–569 131
570–589 111
590–609 103
610–629 99
630–649 77
650–669 92
670–689 56
690–709 53
710–729 53
730–749 38
750–769 52
770–789 43
790–809 38
810–829 34
830–849 25
850–869 18
870–889 20
890–909 24
910–929 27
930–949 20
950–969 17
970–989 10
990–1,009 16
1,010–1,029 13
1,030–1,049 12
1,050–1,069 9
1,070–1,089 8
1,090–1,109 7
1,110–1,129 9
1,130–1,149 2
1,150–1,162 5
1,163+ 100
Download as CSV

Tadahisa Iwata D-index placement in Materials Science in 2026

The chart shows the D-index (discipline H-index) distribution of Materials Science scientists ranked by Research.com in 2026. The highlighted bar marks where Tadahisa Iwata sits on this spectrum.

No. of scientists
200 400 600
Bar chart with 64 bars. Horizontal axis: D-Index, 40–41 to 165+. Vertical axis: number of scientists, 0 to 667. Most scientists, 667, have 52–53 D-Index. The last bar groups every scientist with 165 D-Index or more. The highlighted bar, 62–63 D-Index, is where this scientist sits. 40–41 D-Index: 211 scientists 42–43 D-Index: 450 scientists 44–45 D-Index: 612 scientists 46–47 D-Index: 612 scientists 48–49 D-Index: 598 scientists 50–51 D-Index: 657 scientists 52–53 D-Index: 667 scientists 54–55 D-Index: 621 scientists 56–57 D-Index: 597 scientists 58–59 D-Index: 610 scientists 60–61 D-Index: 587 scientists 62–63 D-Index: 606 scientists 64–65 D-Index: 533 scientists 66–67 D-Index: 490 scientists 68–69 D-Index: 469 scientists 70–71 D-Index: 378 scientists 72–73 D-Index: 421 scientists 74–75 D-Index: 359 scientists 76–77 D-Index: 323 scientists 78–79 D-Index: 299 scientists 80–81 D-Index: 230 scientists 82–83 D-Index: 210 scientists 84–85 D-Index: 195 scientists 86–87 D-Index: 203 scientists 88–89 D-Index: 175 scientists 90–91 D-Index: 175 scientists 92–93 D-Index: 142 scientists 94–95 D-Index: 121 scientists 96–97 D-Index: 117 scientists 98–99 D-Index: 107 scientists 100–101 D-Index: 88 scientists 102–103 D-Index: 85 scientists 104–105 D-Index: 68 scientists 106–107 D-Index: 62 scientists 108–109 D-Index: 57 scientists 110–111 D-Index: 45 scientists 112–113 D-Index: 49 scientists 114–115 D-Index: 50 scientists 116–117 D-Index: 34 scientists 118–119 D-Index: 38 scientists 120–121 D-Index: 37 scientists 122–123 D-Index: 29 scientists 124–125 D-Index: 28 scientists 126–127 D-Index: 24 scientists 128–129 D-Index: 33 scientists 130–131 D-Index: 28 scientists 132–133 D-Index: 21 scientists 134–135 D-Index: 20 scientists 136–137 D-Index: 23 scientists 138–139 D-Index: 17 scientists 140–141 D-Index: 12 scientists 142–143 D-Index: 17 scientists 144–145 D-Index: 21 scientists 146–147 D-Index: 13 scientists 148–149 D-Index: 11 scientists 150–151 D-Index: 14 scientists 152–153 D-Index: 13 scientists 154–155 D-Index: 9 scientists 156–157 D-Index: 10 scientists 158–159 D-Index: 7 scientists 160–161 D-Index: 4 scientists 162–163 D-Index: 4 scientists 164 D-Index: 3 scientists 165+ D-Index: 98 scientists
40–41 D-Index 165+

This scientist: 62 D-Index — 51st percentile

51% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 165 D-Index or more.

View D-Index distribution as a table
Number of Materials Science scientists by D-index, Research.com 2026 ranking edition. Based on 12,847 ranked scientists.
D-Index Scientists This scientist
40–41 211
42–43 450
44–45 612
46–47 612
48–49 598
50–51 657
52–53 667
54–55 621
56–57 597
58–59 610
60–61 587
62–63 606 62
64–65 533
66–67 490
68–69 469
70–71 378
72–73 421
74–75 359
76–77 323
78–79 299
80–81 230
82–83 210
84–85 195
86–87 203
88–89 175
90–91 175
92–93 142
94–95 121
96–97 117
98–99 107
100–101 88
102–103 85
104–105 68
106–107 62
108–109 57
110–111 45
112–113 49
114–115 50
116–117 34
118–119 38
120–121 37
122–123 29
124–125 28
126–127 24
128–129 33
130–131 28
132–133 21
134–135 20
136–137 23
138–139 17
140–141 12
142–143 17
144–145 21
146–147 13
148–149 11
150–151 14
152–153 13
154–155 9
156–157 10
158–159 7
160–161 4
162–163 4
164 3
165+ 98
Download as CSV

Overview

Tadahisa Iwata is a researcher affiliated with the University of Tokyo in Japan, with a focus on Materials Science and Environmental Science. Their work primarily addresses areas within biomaterials, pollution, polymers and plastics, plant science, and biomedical engineering.

Their research concentrates on biodegradable polymer synthesis and properties, microplastics and plastic pollution, advanced cellulose studies, electrospun nanofibers for biomedical applications, polysaccharides and plant cell walls, nanocomposite films for food packaging, and recycling and waste management techniques.

Recent publications by Tadahisa Iwata include:

  • "Recent developments in microbial polyester fiber and polysaccharide ester derivative research," 2020, Polymer Journal
  • "Enzymatic Self-Biodegradation of Poly(l-lactic acid) Films by Embedded Heat-Treated and Immobilized Proteinase K," 2020, Biomacromolecules
  • "Microbial decomposition of biodegradable plastics on the deep-sea floor," 2024, Nature Communications
  • "Primary structure of gum arabic and its dynamics at oil/water interface," 2020, Carbohydrate Polymers
  • "Development of self-degradable aliphatic polyesters by embedding lipases via melt extrusion," 2021, Polymer Degradation and Stability

Their frequent coauthors include:

  • Satoshi Kimura
  • Taizo Kabe
  • Hongyi Gan
  • Yukiko Enomoto
  • Jin Ho Seok

Frequently, their research has been published in the following venues:

  • Polymer Degradation and Stability
  • Polymer
  • ACS Applied Polymer Materials
  • Biomacromolecules
  • Journal of Fiber Science and Technology

Best Publications

  • Transparent and high gas barrier films of cellulose nanofibers prepared by TEMPO-mediated oxidation.

    Hayaka Fukuzumi;Tsuguyuki Saito;Tadahisa Iwata;Yoshiaki Kumamoto

  • Biodegradable and Bio‐Based Polymers: Future Prospects of Eco‐Friendly Plastics

    Tadahisa Iwata

  • Elastic Modulus of Single Cellulose Microfibrils from Tunicate Measured by Atomic Force Microscopy

    Shinichiro Iwamoto;Weihua Kai;Akira Isogai;Tadahisa Iwata

  • Sustainability of Biobased and Biodegradable Plastics

    Kumar Sudesh;Tadahisa Iwata

  • Isolation, preparation, and characterization of nanofibers from oil palm empty-fruit-bunch (OPEFB)

    Farah Fahma;Farah Fahma;Shinichiro Iwamoto;Naruhito Hori;Tadahisa Iwata

  • Structure and Mechanical Properties of Wet-Spun Fibers Made from Natural Cellulose Nanofibers

    Shinichiro Iwamoto;Akira Isogai;Tadahisa Iwata

  • Morphology and Enzymatic Degradation of Poly(l-lactic acid) Single Crystals

    Tadahisa Iwata;Yoshiharu Doi

  • Analysis of Functional Group Sited on Multi-Wall Carbon Nanotube Surface

    Rike Yudianti;Holia Onggo;Sudirman;Yukie Saito

  • Surface engineering of ultrafine cellulose nanofibrils toward polymer nanocomposite materials.

    Shuji Fujisawa;Tsuguyuki Saito;Satoshi Kimura;Tadahisa Iwata

  • Scaffolds from electrospun polyhydroxyalkanoate copolymers: fabrication, characterization, bioabsorption and tissue response.

    Tang H. Ying;Daisuke Ishii;Atsushi Mahara;Sunao Murakami

  • Crystal structure and biodegradation of aliphatic polyester crystals

    Tadahisa Iwata;Yoshiharu Doi

  • Effect of pre-acid-hydrolysis treatment on morphology and properties of cellulose nanowhiskers from coconut husk

    Farah Fahma;Farah Fahma;Shinichiro Iwamoto;Naruhito Hori;Tadahisa Iwata

  • Estimation of the Elastic Modulus of Cellulose Crystal by Molecular Mechanics Simulation

    Fumio Tanaka;Tadahisa Iwata

  • In vivo tissue response and degradation behavior of PLLA and stereocomplexed PLA nanofibers.

    Daisuke Ishii;Tang Hui Ying;Atsushi Mahara;Sunao Murakami

  • Metastability and transformation of polymorphic crystals in biodegradable poly(butylene adipate).

    Zhihua Gan;Kazuhiro Kuwabara;Hideki Abe;Tadahisa Iwata

  • Processing of a Strong Biodegradable Poly[(R)-3-hydroxybutyrate] Fiber and a New Fiber Structure Revealed by Micro-Beam X-Ray Diffraction with Synchrotron Radiation

    Tadahisa Iwata;Yoshihiro Aoyagi;Masahiro Fujita;Hideki Yamane

  • The Crystal Structure of Polyhydroxybutyrate Depolymerase from Penicillium funiculosum Provides Insights into the Recognition and Degradation of Biopolyesters

    Tamao Hisano;Ken-ichi Kasuya;Yoko Tezuka;Nariaki Ishii

  • Visualization of Enzymatic Degradation of Poly[(R)-3-hydroxybutyrate] Single Crystals by an Extracellular PHB Depolymerase†

    Tadahisa Iwata;Yoshiharu Doi;Ken-Ichi Kasuya;Yoshio Inoue

  • Microbial Synthesis and Physical Properties of Ultra-High-Molecular-Weight Poly[(R)-3-Hydroxybutyrate]

    S. Kusaka;T. Iwata;Y. Doi

  • Strong fibers and films of microbial polyesters.

    Tadahisa Iwata

Frequent Co-Authors

Masaki Takata
Masaki Takata Tohoku University
Akira Isogai
Akira Isogai University of Tokyo
Hideki Abe
Hideki Abe National Institute for Materials Science
Keiji Numata
Keiji Numata Kyoto University
Toshiaki Fukui
Toshiaki Fukui Tokyo Institute of Technology
Kentaro Uesugi
Kentaro Uesugi Stanford University
Chang-Sik Ha
Chang-Sik Ha Pusan National University
Yoshiharu Kimura
Yoshiharu Kimura Kyoto Institute of Technology
Yoshio Inoue
Yoshio Inoue Tokyo Institute of Technology

If you think any of the details on this page are incorrect, let us know.

Report an issue

We appreciate your kind effort to assist us to improve this page, it would be helpful providing us with as much detail as possible in the text box below:

Best Scientists Citing Tadahisa Iwata

Trending Scientists

Recently Published Articles