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Nobuhiro Kosugi

Nobuhiro Kosugi

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Chemistry 49 14817 13347 1157 1049 289 8596

Nobuhiro Kosugi publications per year

The chart shows the history of publications by Nobuhiro Kosugi between 1977 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Nobuhiro Kosugi published across 49 years, from 1977 to 2025, averaging 6.2 papers a year. Output peaked at 15 publications in 1989. 2 of the 305 publications appeared in the last two years.

No. of publications
5 10 15
Bar chart. Horizontal axis: year, 1977 to 2025. Vertical axis: number of publications, 0 to 15. Peak 15 publications in 1989. 1977: 1 publication 1978: 2 publications 1979: 2 publications 1980: 2 publications 1981: 2 publications 1982: 2 publications 1983: 2 publications 1984: 8 publications 1985: 2 publications 1986: 14 publications 1987: 1 publication 1988: 5 publications 1989: 15 publications 1990: 7 publications 1991: 5 publications 1992: 5 publications 1993: 6 publications 1994: 4 publications 1995: 6 publications 1996: 8 publications 1997: 9 publications 1998: 11 publications 1999: 8 publications 2000: 4 publications 2001: 4 publications 2002: 5 publications 2003: 3 publications 2004: 10 publications 2005: 11 publications 2006: 4 publications 2007: 7 publications 2008: 7 publications 2009: 4 publications 2010: 4 publications 2011: 9 publications 2012: 12 publications 2013: 9 publications 2014: 7 publications 2015: 14 publications 2016: 12 publications 2017: 12 publications 2018: 12 publications 2019: 8 publications 2020: 10 publications 2021: 5 publications 2022: 1 publication 2023: 2 publications 2024: 1 publication 2025: 1 publication
1977 2025

305 publications in total across all disciplines

View publications per year as a table
Nobuhiro Kosugi: publications per year, 1977 to 2025
Year Publications
1977 1
1978 2
1979 2
1980 2
1981 2
1982 2
1983 2
1984 8
1985 2
1986 14
1987 1
1988 5
1989 15
1990 7
1991 5
1992 5
1993 6
1994 4
1995 6
1996 8
1997 9
1998 11
1999 8
2000 4
2001 4
2002 5
2003 3
2004 10
2005 11
2006 4
2007 7
2008 7
2009 4
2010 4
2011 9
2012 12
2013 9
2014 7
2015 14
2016 12
2017 12
2018 12
2019 8
2020 10
2021 5
2022 1
2023 2
2024 1
2025 1
Total 305
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Nobuhiro Kosugi 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 Nobuhiro Kosugi 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, 281–300 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: 289 publications — 60th percentile

60% 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
281–300 939 289
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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Nobuhiro Kosugi 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 Nobuhiro Kosugi 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, 48–49 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: 49 D-Index — 19th percentile

19% 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 49
50–51 861
52–53 872
54–55 933
56–57 1,051
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

Nobuhiro Kosugi is affiliated with Osaka University in Japan. Their research primarily spans the broad field of Physics and Astronomy, with a significant focus on Atomic and Molecular Physics, and Optics. Additional subfields of study include Radiation, Materials Chemistry, Dermatology, and Biomedical Engineering.

The main topics of Kosugi's research involve several aspects of X-ray spectroscopy and related techniques. These topics comprise:

  • X-ray Spectroscopy and Fluorescence Analysis
  • Spectroscopy and Quantum Chemical Studies
  • Advanced X-ray Imaging Techniques
  • Phase Equilibria and Thermodynamics
  • Dermatology and Skin Diseases
  • Advanced Chemical Physics Studies
  • Advanced Glycation End Products research

Kosugi's publication record includes contributions to various scientific journals, with repeated publications in:

  • Journal of Electron Spectroscopy and Related Phenomena
  • The Journal of Physical Chemistry B
  • Zenodo (CERN European Organization for Nuclear Research)
  • Chemistry Letters
  • Atmospheric chemistry and physics

Recent papers authored or coauthored by Kosugi reflect diverse applications of X-ray absorption spectroscopy and spectroscopic analysis in chemical and material sciences. Selected recent works include:

  • "Microheterogeneity in Aqueous Acetonitrile Solution Probed by Soft X-ray Absorption Spectroscopy," 2020, The Journal of Physical Chemistry B
  • "Effect of Fe2O3 coating on ZnO nanowires in photoelectrochemical water splitting: A synchrotron x-ray spectroscopic and spectromicroscopic investigation," 2020, Solar Energy Materials and Solar Cells
  • "Soft X-ray Absorption Spectroscopy for Observing Element-specific Intermolecular Interaction in Solution Chemistry," 2021, Chemistry Letters
  • "Aqueous-phase behavior of glyoxal and methylglyoxal observed with carbon and oxygen K-edge X-ray absorption spectroscopy," 2021, Atmospheric chemistry and physics
  • "Hydrophobic Cluster Formation in Aqueous Ethanol Solutions Probed by Soft X-ray Absorption Spectroscopy," 2022, The Journal of Physical Chemistry B

Kosugi frequently collaborates with a number of researchers, including Hayato Yuzawa, Masanari Nagasaka, Takuji Ohigashi, Georgia Michailoudi, and Jack J. Lin. Collaboration counts indicate ongoing cooperative research efforts, particularly with Hayato Yuzawa and Masanari Nagasaka.

Best Publications

  • Photocatalytic decomposition of water into hydrogen and oxygen over nickel(II) oxide-strontium titanate (SrTiO3) powder. 1. Structure of the catalysts

    Kazunari Domen;Akihiko Kudo;Takaharu Onishi;Nobuhiro Kosugi

  • Electron energy loss and X-ray absorption spectroscopy of rutile and anatase: a test of structural sensitivity

    R Brydson;H Sauer;W Engel;J M Thomass

  • Polarized Cu K-edge XANES of square planar CuCl42− ion. Experimental and theoretical evidence for shake-down phenomena

    Nobuhiro Kosugi;Toshihiko Yokoyama;Kiyotaka Asakura;Haruo Kuroda

  • Origin of the band gap in the negative charge-transfer-energy compound NaCuO2.

    T. Mizokawa;H. Namatame;A. Fujimori;K. Akeyama

  • Highly Efficient 2D/3D Hybrid Perovskite Solar Cells via Low-Pressure Vapor-Assisted Solution Process.

    Ming-Hsien Li;Hung-Hsiang Yeh;Yu-Hsien Chiang;U-Ser Jeng

  • X-ray and Electron Spectroscopy of Water

    Thomas Fransson;Yoshihisa Harada;Nobuhiro Kosugi;Nicholas A. Besley

  • Efficient methods for solving the open-shell scf problem and for obtaining an initial guess. The “one-hamiltonian” and the “partial scf” methods

    Nobuhiro Kosugi;Haruo Kuroda

  • Strategies to vectorize conventional SCF-Cl algorithms

    Nobuhiro Kosugi

  • High-resolution and symmetry-resolved oxygen K-edge spectra of O2

    Nobuhiro Kosugi;Eiji Shigemasa;Akira Yagishita

  • Core hole effect in NEXAFS spectroscopy of polycyclic aromatic hydrocarbons: Benzene, chrysene, perylene, and coronene

    Hiroshi Oji;Ryuichi Mitsumoto;Eisuke Ito;Hisao Ishii

  • Unusual Water Hydrogen Bond Network around Hydrogenated Nanodiamonds

    Tristan Petit;Ljiljana Puskar;Tatiana Dolenko;Tatiana Dolenko;Sneha Choudhury;Sneha Choudhury

  • Sulfur K-edge absorption spectra of Na2SO4, Na2SO3, Na2S2O3, and Na2S2Ox(x=5―8)

    Hideo Sekiyama;Nobuhiro Kosugi;Haruo Kuroda;Toshiaki Ohta

  • Impurity-state-like nature of Fermi-liquid states in Bi2Sr2CaCu2O8 observed by photoemission and x-ray absorption

    H. Matsuyama;T. Takahashi;H. Katayama-Yoshida;T. Kashiwakura

  • Cu K-edge XANES of (La1-xSrx)2CuO4, YBa2Cu3Oy and related Cu oxides. valence, structure and final-state effects on 1s-4pπ and 1s-4pσ absorption

    Nobuhiro Kosugi;Hiroshi Kondoh;Hiroyuki Tajima;Haruo Kuroda

  • High-resolution soft X-ray photoelectron spectroscopy of liquid water.

    Kiyoshi Nishizawa;Naoya Kurahashi;Kentarou Sekiguchi;Tomoya Mizuno

  • Bimetallic promotion of alcohol production in CO hydrogenation and olefin hydroformylation on RhFe, PtFe, PdFe, and IrFe cluster-derived catalysts

    Atsushi Fukuoka;Takuma Kimura;Nobuhiro Kosugi;Haruo Kuroda

  • Characterization of NaY-entrapped Rh6(CO)16 cluster by FTIR and EXAFS spectroscopies and the catalytic behavior in 13CO isotopic exchange reaction

    Ling Fen. Rao;Atsushi. Fukuoka;Nobuhiro. Kosugi;Haruo. Kuroda

  • Modification of the Liu-Davidson method for obtaining one or simultaneously several eigensolutions of a large real-symmetric matrix

    Nobuhiro Kosugi

  • High‐resolution and symmetry‐resolved N and O K‐edge absorption spectra of NO

    Nobuhiro Kosugi;Jun‐ichi Adachi;Eiji Shigemasa;Akira Yagishita

  • Development of a liquid flow cell to measure soft X-ray absorption in transmission mode: A test for liquid water

    Masanari Nagasaka;Takaki Hatsui;Toshio Horigome;Yutaka Hamamura

Frequent Co-Authors

Haruo Kuroda
Haruo Kuroda Tokyo University of Science
Toshihiko Yokoyama
Toshihiko Yokoyama Institute of Molecular Sciences
Eckart Rühl
Eckart Rühl Freie Universität Berlin
Adam P. Hitchcock
Adam P. Hitchcock McMaster University
Toshiaki Ohta
Toshiaki Ohta Ritsumeikan University
Kiyotaka Asakura
Kiyotaka Asakura Hokkaido University
Maki Kawai
Maki Kawai University of Tokyo
Masaru Ichikawa
Masaru Ichikawa Hokkaido University
Suehiro Iwata
Suehiro Iwata Keio University
Katsumi Kaneko
Katsumi Kaneko Shinshu University

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