World's Best Scientists 2026 revealed!
Naoya Kumagai

Naoya Kumagai

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Chemistry 61 9489 8592 676 623 224 10039

Naoya Kumagai publications per year

The chart shows the history of publications by Naoya Kumagai between 2000 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Naoya Kumagai published across 26 years, from 2000 to 2025, averaging 10.1 papers a year. Output peaked at 23 publications in 2011. 14 of the 263 publications appeared in the last two years.

No. of publications
5 10 15 20
Bar chart. Horizontal axis: year, 2000 to 2025. Vertical axis: number of publications, 0 to 23. Peak 23 publications in 2011. 2000: 1 publication 2001: 4 publications 2002: 0 publications 2003: 3 publications 2004: 3 publications 2005: 6 publications 2006: 1 publication 2007: 2 publications 2008: 12 publications 2009: 10 publications 2010: 13 publications 2011: 23 publications 2012: 13 publications 2013: 18 publications 2014: 21 publications 2015: 14 publications 2016: 7 publications 2017: 18 publications 2018: 15 publications 2019: 18 publications 2020: 11 publications 2021: 3 publications 2022: 18 publications 2023: 15 publications 2024: 8 publications 2025: 6 publications
2000 2025

263 publications in total across all disciplines

View publications per year as a table
Naoya Kumagai: publications per year, 2000 to 2025
Year Publications
2000 1
2001 4
2002 0
2003 3
2004 3
2005 6
2006 1
2007 2
2008 12
2009 10
2010 13
2011 23
2012 13
2013 18
2014 21
2015 14
2016 7
2017 18
2018 15
2019 18
2020 11
2021 3
2022 18
2023 15
2024 8
2025 6
Total 263
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Naoya Kumagai 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 Naoya Kumagai 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, 221–240 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: 224 publications — 41st percentile

41% 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 1,216 224
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
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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Naoya Kumagai 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 Naoya Kumagai 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, 60–61 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: 61 D-Index — 49th percentile

49% 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
58–59 930
60–61 882 61
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

Naoya Kumagai is affiliated with the University of Tokyo in Japan. Their research primarily spans the fields of Materials Science and Chemistry, with significant contributions specifically in Materials Chemistry and Organic Chemistry.

The scientist's work covers various subfields including Molecular Biology, Inorganic Chemistry, and Spectroscopy. Their principal topics of research involve Crystallization and Solubility Studies, X-ray Diffraction in Crystallography, Chemical Synthesis and Analysis, Porphyrin and Phthalocyanine Chemistry, Supramolecular Chemistry and Complexes, Asymmetric Synthesis and Catalysis, and Asymmetric Hydrogenation and Catalysis.

Naoya Kumagai has published extensively, with frequent appearances in venues such as The Cambridge Structural Database, where they have 29 publications. Other notable publication venues include Chemistry - A European Journal (4 publications), Organic Letters (3 publications), Chemical Science (3 publications), and Angewandte Chemie International Edition (2 publications).

Their recent papers include:

  • The Different Faces of [Ru(bpy)3Cl2] and fac[Ir(ppy)3] Photocatalysts: Redox Potential Controlled Synthesis of Sulfonylated Fluorenes and Pyrroloindoles from Unactivated Olefins and Sulfonyl Chlorides, 2020, Organic Letters
  • TEtraQuinolines: A Missing Link in the Family of Porphyrinoid Macrocycles, 2023, Journal of the American Chemical Society
  • SCALER: A Tough Versatile Quadruped Free-Climber Robot, 2022, 2022 IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS)
  • Introduction of a 7-aza-6-MeO-indoline auxiliary in Lewis-acid/photoredox cooperative catalysis: highly enantioselective aminomethylation of α,β-unsaturated amides, 2020, Chemical Science
  • Highly Enantio- and Diastereoselective Synthesis of 1,2,3-Trisubstituted Cyclopropanes from α,β-Unsaturated Amides and Stabilized Sulfur Ylides Catalyzed by a Chiral Copper(I) Complex, 2021, ACS Catalysis

Naoya Kumagai has collaborated frequently with several coauthors including Masakatsu Shibasaki, Toi Kobayashi, Santosh K. Pagire, Wei Xu, and Ryosuke Tsutsumi. Their work with these collaborators spans multiple publications, highlighting a sustained research partnership.

Best Publications

  • Recent progress in asymmetric bifunctional catalysis using multimetallic systems.

    Masakatsu Shibasaki;Motomu Kanai;Shigeki Matsunaga;Naoya Kumagai

  • anti-Selective Direct Catalytic Asymmetric Mannich-type Reaction of Hydroxyketone Providing β-Amino Alcohols

    Shigeki Matsunaga;Naoya Kumagai;Shinji Harada;Masakatsu Shibasaki

  • Direct catalytic asymmetric aldol reaction: Synthesis of either syn-or anti-α,β-dihydroxy ketones

    Naoki Yoshikawa;Naoya Kumagai;Shigeki Matsunaga;Guido Moll

  • Direct catalytic asymmetric Michael reaction of hydroxyketones: asymmetric Zn catalysis with a Et2Zn/linked-BINOL complex.

    Naoya Kumagai;Shigeki Matsunaga;Tomofumi Kinoshita;Shinji Harada

  • Short Synthesis of Skeletally and Stereochemically Diverse Small Molecules by Coupling Petasis Condensation Reactions to Cyclization Reactions

    Naoya Kumagai;Giovanni Muncipinto;Stuart L. Schreiber

  • Direct Catalytic Asymmetric Mannich-type Reaction of Hydroxyketone Using a Et2Zn/Linked-BINOL Complex: Synthesis of Either anti- or syn-β-Amino Alcohols

    Shigeki Matsunaga;Takamasa Yoshida;Hiroyuki Morimoto;Naoya Kumagai

  • Unique physicochemical and catalytic properties dictated by the B3NO2 ring system

    Hidetoshi Noda;Makoto Furutachi;Yasuko Asada;Masakatsu Shibasaki

  • Cooperative Catalysis of a Cationic Ruthenium Complex, Amine Base, and Na Salt: Catalytic Activation of Acetonitrile as a Nucleophile

    Naoya Kumagai;Shigeki Matsunaga;Masakatsu Shibasaki

  • Direct Catalytic Asymmetric Conjugate Addition of Terminal Alkynes to α,β-Unsaturated Thioamides

    Ryo Yazaki;Naoya Kumagai;Masakatsu Shibasaki

  • Recent advances in direct catalytic asymmetric transformations under proton-transfer conditions.

    Naoya Kumagai;Masakatsu Shibasaki

  • Direct catalytic aldol-type reactions using RCH2CN.

    Yutaka Suto;Naoya Kumagai;Shigeki Matsunaga;Motomu Kanai

  • Linking structural dynamics and functional diversity in asymmetric catalysis.

    Akihiro Nojiri;Naoya Kumagai;Masakatsu Shibasaki

  • anti-Selective catalytic asymmetric nitroaldol reaction via a heterobimetallic heterogeneous catalyst.

    Tatsuya Nitabaru;Akihiro Nojiri;Makoto Kobayashi;Naoya Kumagai

  • En route to an efficient catalytic asymmetric synthesis of AS-3201

    Tomoyuki Mashiko;Keiichi Hara;Daisuke Tanaka;Yuji Fujiwara

  • Direct catalytic enantio- and diastereoselective aldol reaction using a Zn-Zn-linked-BINOL complex: a practical synthesis of syn-1,2-diols.

    Naoya Kumagai;Shigeki Matsunaga;Naoki Yoshikawa;Takashi Ohshima

  • Direct Catalytic Asymmetric Mannich-Type Reaction of Thioamides

    Yuta Suzuki;Ryo Yazaki;Naoya Kumagai;Masakatsu Shibasaki

  • Direct Catalytic Asymmetric Addition of Allyl Cyanide to Ketones via Soft Lewis Acid/Hard Brønsted Base/Hard Lewis Base Catalysis

    Ryo Yazaki;Naoya Kumagai;Masakatsu Shibasaki

  • Direct catalytic enantio- and diastereoselective aldol reaction of thioamides.

    Mitsutaka Iwata;Ryo Yazaki;I-Hon Chen;Devarajulu Sureshkumar

  • A catalytic asymmetric anti-selective nitroaldol reaction with a neodymium–sodium heterobimetallic complex

    Tatsuya Nitabaru;Naoya Kumagai;Masakatsu Shibasaki

  • Direct Catalytic Asymmetric Mannich-Type Reaction of α- and β-Fluorinated Amides

    Lennart Brewitz;Fernando Arteaga Arteaga;Liang Yin;Kaliyamoorthy Alagiri

  • Direct catalytic asymmetric addition of allyl cyanide to ketones

    Ryo Yazaki;Naoya Kumagai;Masakatsu Shibasaki

  • Direct catalytic asymmetric aldol reactions of thioamides: toward a stereocontrolled synthesis of 1,3-polyols.

    Mitsutaka Iwata;Ryo Yazaki;Yuta Suzuki;Naoya Kumagai

Frequent Co-Authors

Masakatsu Shibasaki
Masakatsu Shibasaki University of Tokyo
Shigeki Matsunaga
Shigeki Matsunaga Kyoto University
Motomu Kanai
Motomu Kanai University of Tokyo
Takashi Ohshima
Takashi Ohshima Kyushu University
Stuart L. Schreiber
Stuart L. Schreiber Harvard University
Paul A. Clemons
Paul A. Clemons Broad Institute
Takao Ikariya
Takao Ikariya Tokyo Institute of Technology
Hiroaki Sasai
Hiroaki Sasai Osaka University

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