World's Best Scientists 2026 revealed!

D-Index & Metrics

Chemistry

D-Index
64
Citations
13417
World Ranking
8111
National Ranking
543

Nobuharu Iwasawa 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 Nobuharu Iwasawa 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: 275 publications — 57th percentile

57% of scientists in this discipline score the same or lower.

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

Nobuharu Iwasawa 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 Nobuharu Iwasawa 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: 64 D-Index — 56th percentile

56% of scientists in this discipline score the same or lower.

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

Overview

Nobuharu Iwasawa is a researcher affiliated with the Tokyo Institute of Technology in Japan. Their work spans the fields of Materials Science and Chemistry, with a particular focus on subfields such as Materials Chemistry, Organic Chemistry, Process Chemistry and Technology, Inorganic Chemistry, and Renewable Energy, Sustainability and the Environment.

The scientist has contributed extensively to topics including Crystallization and Solubility Studies, X-ray Diffraction in Crystallography, Catalytic C-H Functionalization Methods, Carbon dioxide utilization in catalysis, Radical Photochemical Reactions, CO2 Reduction Techniques and Catalysts, and Asymmetric Hydrogenation and Catalysis.

Iwasawa has published research in several frequent venues, with multiple publications recorded in The Cambridge Structural Database, Organometallics, Angewandte Chemie International Edition, ChemSusChem, and Bulletin of the Chemical Society of Japan.

Recent papers highlight their research scope and include:

  • Supramolecular Photocatalysis by Utilizing the Host-Guest Charge-Transfer Interaction: Visible-Light-Induced Generation of Triplet Anthracenes for [4+2] Cycloaddition Reactions (2020, Angewandte Chemie International Edition)
  • Shining Visible Light on Reductive Elimination: Acridine-Pd-Catalyzed Cross-Coupling of Aryl Halides with Carboxylic Acids (2022, Journal of the American Chemical Society)
  • Use of Isopropyl Alcohol as a Reductant for Catalytic Dehydoxylative Dimerization of Benzylic Alcohols Utilizing Ti−O Bond Photohomolysis (2021, European Journal of Organic Chemistry)
  • Visible-Light-Enabled Carboxylation of Benzyl Alcohol Derivatives with CO2 Using a Palladium/Iridium Dual Catalyst (2021, ChemSusChem)
  • Rhodium-Catalyzed Chemoselective Hydrosilylation of Nitriles to an Imine Oxidation Level Enabled by a Pincer-type Group 13 Metallylene Ligand (2020, ACS Catalysis)

The scientist collaborates frequently with several researchers, including:

  • Naoyuki Toriumi
  • Jun Takaya
  • Kohei Takahashi
  • Yanzong Lyu
  • Kazuishi Fukuda

Best Publications

  • Hydrocarboxylation of allenes with CO2 catalyzed by silyl pincer-type palladium complex.

    Jun Takaya;Nobuharu Iwasawa

  • Rhodium(I)-catalyzed carboxylation of aryl- and alkenylboronic esters with CO2.

    Kazutoshi Ukai;Masao Aoki;Jun Takaya;Nobuharu Iwasawa

  • Asymmetric Diels-Alder Reaction Catalyzed by a Chiral Titanium Reagent

    Koichi Narasaka;Nobuharu Iwasawa;Masayuki Inoue;Tohru Yamada

  • Rhodium(I)-catalyzed direct carboxylation of arenes with CO2 via chelation-assisted C-H bond activation.

    Hajime Mizuno;Jun Takaya;Nobuharu Iwasawa

  • Palladium(II)-catalyzed direct carboxylation of alkenyl C-H bonds with CO2.

    Kota Sasano;Jun Takaya;Nobuharu Iwasawa

  • Copper(I)-Catalyzed Carboxylation of Aryl- and Alkenylboronic Esters

    Jun Takaya;Satoshi Tadami;Kazutoshi Ukai;Nobuharu Iwasawa

  • Catalytic, Direct Synthesis of Bis(boronate) Compounds

    Jun Takaya;Nobuharu Iwasawa

  • Visible-Light-Driven Carboxylation of Aryl Halides by the Combined Use of Palladium and Photoredox Catalysts.

    Katsuya Shimomaki;Kei Murata;Ruben Martin;Nobuharu Iwasawa

  • Synthesis, Structure, and Catalysis of Palladium Complexes Bearing a Group 13 Metalloligand: Remarkable Effect of an Aluminum-Metalloligand in Hydrosilylation of CO2

    Jun Takaya;Nobuharu Iwasawa

  • Reactions of iodinated vinylidene complexes generated from 1-iodo-1-alkynes and W(CO)5(thf).

    Tomoya Miura;Nobuharu Iwasawa

  • Synthetic control leading to chiral compounds

    Teruaki Mukaiyama;Nobuharu Iwasawa;Rodney W. Stevens;Toru Haga

  • Efficient Synthesis of Diborylalkenes from Alkenes and Diboron by a New PSiP-Pincer Palladium-Catalyzed Dehydrogenative Borylation

    Jun Takaya;Naohiro Kirai;Nobuharu Iwasawa

  • Generation and reaction of metal-containing carbonyl ylides: tandem [3 + 2]-cycloaddition--carbene insertion leading to novel polycyclic compounds.

    Nobuharu Iwasawa;Masahide Shido;Hiroyuki Kusama

  • Boronic Esters as a System for Crystallization-Induced Dynamic Self-Assembly Equipped with an “On−Off” Switch for Equilibration

    Nobuharu Iwasawa;Hiroki Takahagi

  • Direct carboxylation of simple arenes with CO2 through a rhodium-catalyzed C–H bond activation

    Takuya Suga;Hajime Mizuno;Jun Takaya;Nobuharu Iwasawa

  • Efficient one-to-one coupling of easily available 1,3-dienes with carbon dioxide.

    Jun Takaya;Kota Sasano;Nobuharu Iwasawa

  • Pt(II)- or Au(III)-catalyzed [3+2] cycloaddition of metal-containing azomethine ylides: highly efficient synthesis of the mitosene skeleton.

    Hiroyuki Kusama;Yuichi Miyashita;Jun Takaya;Nobuharu Iwasawa

  • Generation and reaction of tungsten-containing carbonyl ylides: [3 + 2]-cycloaddition reaction with electron-rich alkenes.

    Hiroyuki Kusama;Hideaki Funami;Masahide Shido;Yoshihiro Hara

  • Asymmetric Hydrocyanation of Aldehydes Using Chiral Titanium Reagents

    Hiroyuki Minamikawa;Satoshi Hayakawa;Tohru Yamada;Nobuharu Iwasawa

  • Preparation of Substituted Cyclopentadienes through Platinum(II)‐Catalyzed Cyclization of 1,2,4‐Trienes

    Hideaki Funami;Hiroyuki Kusama;Nobuharu Iwasawa

Frequent Co-Authors

Teruaki Mukaiyama
Teruaki Mukaiyama Kitasato University
Koichi Narasaka
Koichi Narasaka University of Tokyo
Tomoya Miura
Tomoya Miura Kyoto University
Hidehiro Uekusa
Hidehiro Uekusa Tokyo Institute of Technology
Tohru Yamada
Tohru Yamada Keio University
Phil Ho Lee
Phil Ho Lee Kangwon National University
Robert S. Coleman
Robert S. Coleman The Ohio State University
Masayuki Inoue
Masayuki Inoue University of Tokyo
Yoshiaki Nishibayashi
Yoshiaki Nishibayashi University of Tokyo
Sunggak Kim
Sunggak Kim Nanyang Technological University

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:

Related Online Degrees & Career Pathways

Studying Chemistry in the USA opens doors to diverse career opportunities, often extending beyond traditional laboratory roles. For those interested in applying chemical knowledge to legal and investigative fields, exploring forensic career paths can provide valuable insights into how chemistry supports criminal investigations and evidence analysis.

Additionally, understanding the educational routes and financial commitments is crucial. The cost of criminal justice degree often varies widely depending on the program and institution, influencing decisions on pursuing related online degrees.

For students seeking flexible and accessible options, discovering the best online criminal justice associate degree programs can help balance education with personal commitments, often serving as a stepping stone towards advanced degrees or specialized career tracks.

Furthermore, those interested in the legal side of chemistry applications might consider pursuing a paralegal associate degree, which offers practical skills and a strong foundation for careers interfacing science and law.

Best Scientists Citing Nobuharu Iwasawa

Trending Scientists

Recently Published Articles