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D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Chemistry 61 9440 8549 670 618 243 10698

Kenji Kamada publications per year

The chart shows the history of publications by Kenji Kamada between 1977 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Kenji Kamada published across 49 years, from 1977 to 2025, averaging 5.9 papers a year. Output peaked at 15 publications in 2007. 17 of the 291 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 2007. 1977: 1 publication 1978: 0 publications 1979: 0 publications 1980: 0 publications 1981: 0 publications 1982: 0 publications 1983: 0 publications 1984: 0 publications 1985: 0 publications 1986: 0 publications 1987: 0 publications 1988: 0 publications 1989: 0 publications 1990: 1 publication 1991: 2 publications 1992: 0 publications 1993: 2 publications 1994: 7 publications 1995: 1 publication 1996: 6 publications 1997: 5 publications 1998: 7 publications 1999: 3 publications 2000: 14 publications 2001: 6 publications 2002: 14 publications 2003: 11 publications 2004: 10 publications 2005: 10 publications 2006: 10 publications 2007: 15 publications 2008: 13 publications 2009: 12 publications 2010: 8 publications 2011: 8 publications 2012: 9 publications 2013: 10 publications 2014: 5 publications 2015: 3 publications 2016: 7 publications 2017: 8 publications 2018: 11 publications 2019: 12 publications 2020: 11 publications 2021: 10 publications 2022: 7 publications 2023: 15 publications 2024: 13 publications 2025: 4 publications
1977 2025

291 publications in total across all disciplines

View publications per year as a table
Kenji Kamada: publications per year, 1977 to 2025
Year Publications
1977 1
1978 0
1979 0
1980 0
1981 0
1982 0
1983 0
1984 0
1985 0
1986 0
1987 0
1988 0
1989 0
1990 1
1991 2
1992 0
1993 2
1994 7
1995 1
1996 6
1997 5
1998 7
1999 3
2000 14
2001 6
2002 14
2003 11
2004 10
2005 10
2006 10
2007 15
2008 13
2009 12
2010 8
2011 8
2012 9
2013 10
2014 5
2015 3
2016 7
2017 8
2018 11
2019 12
2020 11
2021 10
2022 7
2023 15
2024 13
2025 4
Total 291
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Kenji Kamada 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 Kenji Kamada 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, 241–260 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: 243 publications — 47th percentile

47% 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 1,100 243
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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Kenji Kamada 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 Kenji Kamada 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

Kenji Kamada is affiliated with the National Institute of Advanced Industrial Science and Technology in Japan. Their research outputs largely focus on materials science and engineering, with significant contributions in materials chemistry and biomedical engineering, as well as electrical and electronic engineering. The scientist's work encompasses a range of specialized subfields including organic chemistry and spectroscopy.

The main topics covered by Kenji Kamada's research include:

  • Luminescence and Fluorescent Materials
  • Crystallization and Solubility Studies
  • X-ray Diffraction in Crystallography
  • Nonlinear Optical Materials Studies
  • Photochromic and Fluorescence Chemistry
  • Porphyrin and Phthalocyanine Chemistry
  • Luminescence Properties of Advanced Materials

Kenji Kamada has published numerous works in a variety of scientific journals, with frequent publications in venues such as:

  • The Cambridge Structural Database
  • Physical Chemistry Chemical Physics
  • Journal of Materials Chemistry C
  • Aggregate
  • Organic Letters

Selected recent papers authored or coauthored by Kenji Kamada include:

  • "Kinetics of photon upconversion by triplet-triplet annihilation: a comprehensive tutorial", 2021, Physical Chemistry Chemical Physics
  • "Polymerization Photoinitiators with Near-Resonance Enhanced Two-Photon Absorption Cross-Section: Toward High-Resolution Photoresist with Improved Sensitivity", 2020, Macromolecules
  • "Two-Photon Emissive Dyes Based on Push-Pull Purines Derivatives: Toward the Development of New Photoluminescence Bioprobes", 2020, The Journal of Physical Chemistry C
  • "Aggregation-enhanced direct S0-Tn transitions and room-temperature phosphorescence in gold(I)-complex single crystals", 2021, Aggregate
  • "Optical nature of non-substituted triphenylmethyl cation: Crystalline state emission, thermochromism, and phosphorescence", 2021, Aggregate

Kenji Kamada's research collaborations include frequent coauthorship with:

  • Hikaru Sotome (15 publications)
  • Hiroshi Miyasaka (15 publications)
  • Masakazu Morimoto (12 publications)
  • Akira Nagai (11 publications)
  • Ryo Nishimura (11 publications)

Best Publications

  • Spectroscopic studies of nile red in organic solvents and polymers

    Ashim Kumar Dutta;Kenji Kamada;Koji Ohta

  • Second Hyperpolarizability (γ) of Singlet Diradical System: Dependence of γ on the Diradical Character

    Masayoshi Nakano;Ryohei Kishi;Tomoshige Nitta;Takashi Kubo

  • Strong two-photon absorption of singlet diradical hydrocarbons.

    Kenji Kamada;Koji Ohta;Takashi Kubo;Akihiro Shimizu

  • Relationship between third-order nonlinear optical properties and magnetic interactions in open-shell systems: a new paradigm for nonlinear optics.

    Masayoshi Nakano;Ryohei Kishi;Suguru Ohta;Hideaki Takahashi

  • Strong two-photon absorption of self-assembled butadiyne-linked bisporphyrin

    Kazuya Ogawa;Atsushi Ohashi;Yoshiaki Kobuke;Kenji Kamada

  • Synthesis and Characterization of Quarteranthene: Elucidating the Characteristics of the Edge State of Graphene Nanoribbons at the Molecular Level

    Akihito Konishi;Yasukazu Hirao;Kouzou Matsumoto;Hiroyuki Kurata

  • Two-photon absorption properties of symmetric substituted diacetylene: drastic enhancement of the cross section near the one-photon absorption peak

    Kenji Kamada;Koji Ohta;Yoichiro Iwase;Koichi Kondo

  • Singlet Diradical Character from Experiment

    Kenji Kamada;Koji Ohta;Akihiro Shimizu;Takashi Kubo

  • Near IR Nonlinear Absorbing Chromophores with Optical Limiting Properties at Telecommunication Wavelengths

    Pierre-Antoine Bouit;Guillaume Wetzel;Gérard Berginc;Brigitte Loiseaux

  • Two‐Photon Absorption‐Related Properties of Functionalized BODIPY Dyes in the Infrared Range up to Telecommunication Wavelengths

    Pierre-Antoine Bouit;Kenji Kamada;Patrick Feneyrou;Gérard Berginc

  • Second hyperpolarizabilities of polycyclic aromatic hydrocarbons involving phenalenyl radical units

    Masayoshi Nakano;Takashi Kubo;Kenji Kamada;Koji Ohta

  • A systematic femtosecond study on the two-photon absorbing D-π-A molecules–π-bridge nitrogen insertion and strength of the donor and acceptor groups

    Liudmil Antonov;Kenji Kamada;Koji Ohta;Fadhil S. Kamounah

  • Molecular Design for Organic Nonlinear Optics: Polarizability and Hyperpolarizabilities of Furan Homologues Investigated by Ab Initio Molecular Orbital Method†

    Kenji Kamada;Minoru Ueda;Hidemi Nagao;Keiko Tawa

  • Impact of diradical character on two-photon absorption: bis(acridine) dimers synthesized from an allenic precursor.

    Kenji Kamada;Shin-ichi Fuku-en;Shu Minamide;Shu Minamide;Koji Ohta

  • Photocatalytic CO2 Reduction Using a Robust Multifunctional Iridium Complex toward the Selective Formation of Formic Acid.

    Kenji Kamada;Jieun Jung;Taku Wakabayashi;Keita Sekizawa

  • Two-photon-absorption-induced accumulated thermal effect on femtosecond Z-scan experiments studied with time-resolved thermal-lens spectrometry and its simulation

    Kenji Kamada;Kinu Matsunaga;Akihiro Yoshino;Koji Ohta

  • Synthesis and properties of all-benzene carbon nanocages: a junction unit of branched carbon nanotubes

    Katsuma Matsui;Yasutomo Segawa;Tomotaka Namikawa;Tomotaka Namikawa;Kenji Kamada;Kenji Kamada

  • Synthesis and photophysical properties of new two-photon absorption chromophores containing a diacetylene moiety as the central π-bridge

    Yoichiro Iwase;Kenji Kamada;Koji Ohta;Koichi Kondo

  • Two-photon absorption properties of self-assemblies of butadiyne-linked bis(imidazolylporphyrin).

    Kazuya Ogawa;Atsushi Ohashi;Yoshiaki Kobuke;Kenji Kamada

  • Giant Enhancement of the Second Hyperpolarizabilities of Open-Shell Singlet Polyaromatic Diphenalenyl Diradicaloids by an External Electric Field and Donor–Acceptor Substitution

    Masayoshi Nakano;Takuya Minami;Kyohei Yoneda;Shabbir Muhammad

  • Erratum to: (Hyper)polarizability density analysis for open-shell molecular systems based on natural orbitals and occupation numbers

    Masayoshi Nakano;Hitoshi Fukui;Takuya Minami;Kyohei Yoneda

  • (Hyper)polarizability density analysis for open-shell molecular systems based on natural orbitals and occupation numbers

    Unknown

Frequent Co-Authors

Koji Ohta
Koji Ohta National Institute of Advanced Industrial Science and Technology
Masayoshi Nakano
Masayoshi Nakano Osaka University
Takashi Kubo
Takashi Kubo Osaka University
Benoît Champagne
Benoît Champagne University of Namur
Kizashi Yamaguchi
Kizashi Yamaguchi Osaka University
Rik R. Tykwinski
Rik R. Tykwinski University of Alberta
Kazuhiro Nakasuji
Kazuhiro Nakasuji Osaka University
Hiroshi Masuhara
Hiroshi Masuhara National Yang Ming Chiao Tung University
Yasushi Morita
Yasushi Morita Aichi Institute of Technology
Frank A. Hegmann
Frank A. Hegmann University of Alberta

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