World's Best Scientists 2026 revealed!

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Chemistry 82 3109 2805 233 212 503 23144

Jun Okuda publications per year

The chart shows the history of publications by Jun Okuda between 1952 and 2026, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Jun Okuda published across 75 years, from 1952 to 2026, averaging 7.5 papers a year. Output peaked at 34 publications in 2022. 8 of the 566 publications appeared in the last two years.

No. of publications
10 20 30
Bar chart. Horizontal axis: year, 1952 to 2026. Vertical axis: number of publications, 0 to 34. Peak 34 publications in 2022. 1952: 1 publication 1953: 0 publications 1954: 0 publications 1955: 1 publication 1956: 1 publication 1957: 0 publications 1958: 1 publication 1959: 2 publications 1960: 1 publication 1961: 4 publications 1962: 1 publication 1963: 1 publication 1964: 0 publications 1965: 1 publication 1966: 1 publication 1967: 1 publication 1968: 0 publications 1969: 1 publication 1970: 0 publications 1971: 0 publications 1972: 0 publications 1973: 2 publications 1974: 0 publications 1975: 0 publications 1976: 1 publication 1977: 0 publications 1978: 2 publications 1979: 2 publications 1980: 0 publications 1981: 0 publications 1982: 0 publications 1983: 0 publications 1984: 1 publication 1985: 4 publications 1986: 2 publications 1987: 10 publications 1988: 9 publications 1989: 10 publications 1990: 13 publications 1991: 7 publications 1992: 6 publications 1993: 3 publications 1994: 5 publications 1995: 6 publications 1996: 4 publications 1997: 9 publications 1998: 12 publications 1999: 9 publications 2000: 13 publications 2001: 8 publications 2002: 11 publications 2003: 24 publications 2004: 14 publications 2005: 11 publications 2006: 13 publications 2007: 14 publications 2008: 15 publications 2009: 13 publications 2010: 16 publications 2011: 20 publications 2012: 21 publications 2013: 23 publications 2014: 10 publications 2015: 16 publications 2016: 19 publications 2017: 23 publications 2018: 27 publications 2019: 21 publications 2020: 13 publications 2021: 22 publications 2022: 34 publications 2023: 15 publications 2024: 8 publications 2025: 7 publications 2026: 1 publication
1952 2026

566 publications in total across all disciplines

View publications per year as a table
Jun Okuda: publications per year, 1952 to 2026
Year Publications
1952 1
1953 0
1954 0
1955 1
1956 1
1957 0
1958 1
1959 2
1960 1
1961 4
1962 1
1963 1
1964 0
1965 1
1966 1
1967 1
1968 0
1969 1
1970 0
1971 0
1972 0
1973 2
1974 0
1975 0
1976 1
1977 0
1978 2
1979 2
1980 0
1981 0
1982 0
1983 0
1984 1
1985 4
1986 2
1987 10
1988 9
1989 10
1990 13
1991 7
1992 6
1993 3
1994 5
1995 6
1996 4
1997 9
1998 12
1999 9
2000 13
2001 8
2002 11
2003 24
2004 14
2005 11
2006 13
2007 14
2008 15
2009 13
2010 16
2011 20
2012 21
2013 23
2014 10
2015 16
2016 19
2017 23
2018 27
2019 21
2020 13
2021 22
2022 34
2023 15
2024 8
2025 7
2026 1
Total 566
Download as CSV

Jun Okuda 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 Jun Okuda 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, 501–520 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: 503 publications — 89th percentile

89% 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
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
501–520 201 503
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
Download as CSV

Jun Okuda 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 Jun Okuda 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, 82–83 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: 82 D-Index — 83rd percentile

83% 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
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 82
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
Download as CSV

Overview

Jun Okuda is affiliated with RWTH Aachen University in Germany and conducts research primarily in the fields of Materials Science and Chemistry. Their scholarly output encompasses numerous studies focusing on the synthesis, characterization, and catalytic applications of inorganic and organometallic compounds.

Their work spans several subfields, notably Materials Chemistry, Organic Chemistry, Inorganic Chemistry, Molecular Biology, and Process Chemistry and Technology. Within these domains, Okuda has contributed extensively to topics including crystallization and solubility studies, X-ray diffraction in crystallography, and organometallic complex synthesis and catalysis. Other significant research areas include organoboron and organosilicon chemistry, carbon dioxide utilization in catalysis, synthesis and characterization of novel inorganic/organometallic compounds, and coordination chemistry and organometallics.

Okuda has published research in various venues, with frequent contributions to:

  • The Cambridge Structural Database
  • Chemistry - A European Journal
  • Angewandte Chemie International Edition
  • Angewandte Chemie
  • Inorganic Chemistry

Their recent papers illustrate the range of their work and include:

  • Engineering and emerging applications of artificial metalloenzymes with whole cells (2021, Nature Catalysis)
  • Molecular Zinc Hydride Cations [ZnH]+: Synthesis, Structure, and CO2 Hydrosilylation Catalysis (2020, Angewandte Chemie International Edition)
  • Reactivity of a Molecular Calcium Hydride Cation ([CaH]+) Supported by an NNNN Macrocycle (2020, Inorganic Chemistry)
  • Cationic Zinc Hydride Catalyzed Carbon Dioxide Reduction to Formate: Deciphering Elementary Reactions, Isolation of Intermediates, and Computational Investigations (2021, Chemistry - A European Journal)
  • Calcium Hydride Catalysts for Olefin Hydrofunctionalization: Ring-Size Effect of Macrocyclic Ligands on Activity (2020, Chemistry - A European Journal)

Okuda frequently collaborates with a number of researchers, with notable co-authorship counts including Thomas P. Spaniol, Laurent Maron, Priyabrata Ghana, Florian Ritter, and Louis J. Morris. These collaborations contribute to the multidisciplinary nature of Okuda's research portfolio.

Best Publications

  • Mono(cyclopentadienyl) complexes of the rare-earth metals.

    Stefan Arndt;Jun Okuda

  • Cationic organometallic complexes of scandium, yttrium, and the lanthanoids.

    Peter M. Zeimentz;Stefan Arndt;Benjamin R. Elvidge;Jun Okuda

  • Functionalized cyclopentadienyl ligands, IV. Synthesis and complexation of linked cyclopentadienyl‐amido ligands

    Jun Okuda

  • Single-Component Polymerization Catalysts for Ethylene and Styrene: Synthesis, Characterization, and Reactivity of Alkyl and Hydrido Yttrium Complexes Containing a Linked Amido-Cyclopentadienyl Ligand

    Kai C. Hultzsch;Peter Voth;Klaus Beckerle;Thomas P. Spaniol

  • Kinetics and Mechanism of l-Lactide Polymerization by Rare Earth Metal Silylamido Complexes: Effect of Alcohol Addition

    Haiyan Ma;Jun Okuda

  • Highly Heteroselective Ring-Opening Polymerization of rac-Lactide Initiated by Bis(phenolato)scandium Complexes†

    Haiyan Ma;Thomas P. Spaniol;Jun Okuda

  • Magnesium hydridotriphenylborate [Mg(thf)6][HBPh3]2: a versatile hydroboration catalyst

    Debabrata Mukherjee;Satoru Shirase;Thomas P. Spaniol;Kazushi Mashima

  • Structurally well-defined group 4 metal complexes as initiators for the ring-opening polymerization of lactide monomers

    Andreas Sauer;Andreas Kapelski;Christophe Fliedel;Christophe Fliedel;Samuel Dagorne

  • Ancillary ligand effect on single-site styrene polymerization: isospecificity of group 4 metal bis(phenolate) catalysts.

    Carmine Capacchione;Antonio Proto;Henner Ebeling;Rolf Mülhaupt

  • Alkali Metal Hydridotriphenylborates [(L)M][HBPh3] (M = Li, Na, K): Chemoselective Catalysts for Carbonyl and CO2 Hydroboration

    Debabrata Mukherjee;Hassan Osseili;Thomas P. Spaniol;Jun Okuda

  • Cationic alkyl complexes of the rare-earth metals: Synthesis, structure, and reactivity

    Stefan Arndt;Jun Okuda

  • Cationic yttrium methyl complexes as functional models for polymerization catalysts of 1,3-dienes.

    Stefan Arndt;Klaus Beckerle;Peter M. Zeimentz;Thomas P. Spaniol

  • Synthesis and Characterization of Zirconium Complexes Containing a Linked Amido-Fluorenyl Ligand

    Jun Okuda;Florian J. Schattenmann;Sigrid Wocadlo;Werner Massa

  • Half‐Sandwich Alkyl and Hydrido Complexes of Yttrium: Convenient Synthesis and Polymerization Catalysis of Polar Monomers

    Kai C. Hultzsch;Thomas P. Spaniol;Jun Okuda

  • Rare earth metal complexes that contain linked amido-cyclopentadienyl ligands: ansa-metallocene mimics and “constrained geometry” catalysts

    Jun Okuda

  • Homogeneous Ethylene‐Polymerization Catalysts Based on Alkyl Cations of the Rare‐Earth Metals: Are Dicationic Mono(alkyl) Complexes the Active Species?

    Stefan Arndt;Thomas P. Spaniol;Jun Okuda;Jun Okuda

  • Copolymerization of Ethene with Styrene Using Methylaluminoxane-Activated Bis(phenolate) Complexes

    Friedrich G. Sernetz;Rolf Mülhaupt;Stefan Fokken;Jun Okuda

  • Initiators for the stereoselective ring-opening polymerization of meso-lactide

    Jean-Charles Buffet;Jun Okuda

  • Rare-earth metal complexes supported by 1,omega-dithiaalkanediyl-bridged bis(phenolato) ligands: synthesis, structure, and heteroselective ring-opening polymerization of rac-lactide.

    Haiyan Ma;Thomas P. Spaniol;Jun Okuda

  • Organometallic oxides: the example of trioxo-(η5-pentamethylcyclopentadienyl)rhenium(VII)

    Wolfgang A. Herrmann;Eberhardt Herdtweck;Martina Flöel;Jürgen Kulpe

Frequent Co-Authors

Thomas P. Spaniol
Thomas P. Spaniol RWTH Aachen University
Laurent Maron
Laurent Maron Federal University of Toulouse Midi-Pyrénées
Ulrich Schwaneberg
Ulrich Schwaneberg RWTH Aachen University
Kai C. Hultzsch
Kai C. Hultzsch University of Vienna
Rolf Mülhaupt
Rolf Mülhaupt University of Freiburg
Kazushi Mashima
Kazushi Mashima Osaka University
Wolfgang A. Herrmann
Wolfgang A. Herrmann Technical University of Munich
Ulli Englert
Ulli Englert RWTH Aachen University
Antonio Proto
Antonio Proto University of Salerno
Werner Massa
Werner Massa Philipp University of Marburg

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

For students exploring Chemistry in the USA, related fields like forensic science offer exciting career options. Many forensic careers rely heavily on a strong foundation in chemistry to analyze evidence and solve crimes, making an interdisciplinary approach valuable.

When considering further education, it's important to know the financial aspects. Understanding how much does a criminal justice degree cost can help prospective students plan their budget and evaluate the return on investment for their education.

For those seeking entry-level opportunities, the best online associates in criminal justice degrees provide affordable and flexible options. These programs often serve as a stepping stone to specialized roles that intersect with chemical expertise, such as crime lab technician positions.

Additionally, obtaining a paralegal certificate can open doors in legal support roles connected to chemistry-related cases. These certificates offer a quicker path to the workforce while complementing scientific knowledge with legal skills.

Exploring these interdisciplinary degrees and certifications can expand career pathways beyond traditional chemistry roles, merging science with law enforcement and legal professions.

Learn more about forensic careers, how much does a criminal justice degree cost, best online associates in criminal justice, and the value of a paralegal certificate to find the right fit for your interests and goals.

Best Scientists Citing Jun Okuda

Trending Scientists

Recently Published Articles