World's Best Scientists 2026 revealed!
Takashi Ogura

Takashi Ogura

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Chemistry 61 9490 8593 677 624 367 10036

Takashi Ogura publications per year

The chart shows the history of publications by Takashi Ogura between 1972 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Takashi Ogura published across 54 years, from 1972 to 2025, averaging 13.6 papers a year. Output peaked at 47 publications in 2020. 46 of the 733 publications appeared in the last two years.

No. of publications
10 20 30 40
Bar chart. Horizontal axis: year, 1972 to 2025. Vertical axis: number of publications, 0 to 47. Peak 47 publications in 2020. 1972: 1 publication 1973: 3 publications 1974: 1 publication 1975: 0 publications 1976: 0 publications 1977: 0 publications 1978: 0 publications 1979: 0 publications 1980: 0 publications 1981: 0 publications 1982: 1 publication 1983: 1 publication 1984: 1 publication 1985: 3 publications 1986: 2 publications 1987: 3 publications 1988: 1 publication 1989: 4 publications 1990: 5 publications 1991: 6 publications 1992: 6 publications 1993: 6 publications 1994: 12 publications 1995: 2 publications 1996: 6 publications 1997: 6 publications 1998: 9 publications 1999: 2 publications 2000: 4 publications 2001: 9 publications 2002: 10 publications 2003: 6 publications 2004: 11 publications 2005: 9 publications 2006: 16 publications 2007: 16 publications 2008: 20 publications 2009: 25 publications 2010: 32 publications 2011: 27 publications 2012: 37 publications 2013: 31 publications 2014: 32 publications 2015: 28 publications 2016: 31 publications 2017: 44 publications 2018: 35 publications 2019: 46 publications 2020: 47 publications 2021: 46 publications 2022: 28 publications 2023: 16 publications 2024: 25 publications 2025: 21 publications
1972 2025

733 publications in total across all disciplines

View publications per year as a table
Takashi Ogura: publications per year, 1972 to 2025
Year Publications
1972 1
1973 3
1974 1
1975 0
1976 0
1977 0
1978 0
1979 0
1980 0
1981 0
1982 1
1983 1
1984 1
1985 3
1986 2
1987 3
1988 1
1989 4
1990 5
1991 6
1992 6
1993 6
1994 12
1995 2
1996 6
1997 6
1998 9
1999 2
2000 4
2001 9
2002 10
2003 6
2004 11
2005 9
2006 16
2007 16
2008 20
2009 25
2010 32
2011 27
2012 37
2013 31
2014 32
2015 28
2016 31
2017 44
2018 35
2019 46
2020 47
2021 46
2022 28
2023 16
2024 25
2025 21
Total 733
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Takashi Ogura 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 Takashi Ogura 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, 361–380 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: 367 publications — 76th percentile

76% 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
361–380 522 367
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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Takashi Ogura 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 Takashi Ogura 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

Takashi Ogura is a researcher affiliated with the University of Hyogo in Japan. Their academic work is primarily situated within the field of Medicine, with a significant focus on Pulmonary and Respiratory Medicine. Ogura's research portfolio includes studies related to Infectious Diseases, Oncology, Physiology, and Neurology, reflecting a broad spectrum of interests within medical sciences.

Ogura's extensive publication record encompasses multiple medical topics, notably Interstitial Lung Diseases and Idiopathic Pulmonary Fibrosis, COVID-19 Clinical Research Studies, Lung Cancer Treatments and Mutations, Long-Term Effects of COVID-19, Sarcoidosis and Beryllium Toxicity Research, Medical Imaging and Pathology Studies, and research on SARS-CoV-2 and COVID-19.

They have contributed to important papers, including the following recent works:

  • Impact of EGFR-TKI Treatment on the Tumor Immune Microenvironment in EGFR Mutation-Positive Non-Small Cell Lung Cancer (2020), Clinical Cancer Research
  • 2020 guide for the diagnosis and treatment of interstitial lung disease associated with connective tissue disease (2021), Respiratory Investigation
  • A Phase 2 Study of Atezolizumab for Pretreated NSCLC With Idiopathic Interstitial Pneumonitis (2020), Journal of Thoracic Oncology
  • Efficacy and Safety of Favipiravir in Moderate COVID-19 Pneumonia Patients without Oxygen Therapy: A Randomized, Phase III Clinical Trial (2021), Infectious Diseases and Therapy
  • Ultra-high-resolution computed tomography can demonstrate alveolar collapse in novel coronavirus (COVID-19) pneumonia (2020), Japanese Journal of Radiology

Ogura frequently publishes in several key venues that specialize in respiratory and internal medicine, including:

  • Respiratory Investigation
  • Internal Medicine
  • BMC Pulmonary Medicine
  • Japanese Journal of Radiology
  • Journal of Infection and Chemotherapy

Collaboration is a notable aspect of Ogura's career. Frequent coauthors include Tomohisa Baba, Eri Hagiwara, Tae Iwasawa, Hideya Kitamura, and Satoshi Ikeda, indicating a sustained partnership network within the medical research community.

Best Publications

  • Determination of damage-free crystal structure of an X-ray-sensitive protein using an XFEL

    Kunio Hirata;Kyoko Shinzawa-Itoh;Naomine Yano;Shuhei Takemura

  • Catalytic mechanism of water oxidation with single-site ruthenium-heteropolytungstate complexes.

    Masato Murakami;Dachao Hong;Tomoyoshi Suenobu;Satoru Yamaguchi

  • Synthesis and reactivity of a mononuclear non-haem cobalt(IV)-oxo complex.

    Bin Wang;Yong Min Lee;Woon Young Tcho;Samat Tussupbayev

  • Mononuclear Copper(II)−Superoxo Complexes that Mimic the Structure and Reactivity of the Active Centers of PHM and DβM

    Atsushi Kunishita;Minoru Kubo;Hideki Sugimoto;Takashi Ogura

  • Geometric and electronic structure and reactivity of a mononuclear ‘side-on’ nickel( iii )–peroxo complex

    Jaeheung Cho;Ritimukta Sarangi;Jamespandi Annaraj;Sung Yeon Kim

  • Selective resonance Raman observation of the "607 nm" form generated in the reaction of oxidized cytochrome c oxidase with hydrogen peroxide.

    Denis A. Proshlyakov;Takashi Ogura;Kyoko Shinzawa-Itoh;Shinya Yoshikawa

  • Synthesis, Structural, and Spectroscopic Characterization and Reactivities of Mononuclear Cobalt(III)−Peroxo Complexes

    Jaeheung Cho;Ritimukta Sarangi;Hye Yeon Kang;Jung Yoon Lee

  • A peroxide bridge between Fe and Cu ions in the O2 reduction site of fully oxidized cytochrome c oxidase could suppress the proton pump.

    Hiroshi Aoyama;Kazumasa Muramoto;Kyoko Shinzawa-Itoh;Kunio Hirata

  • Higd1a is a positive regulator of cytochrome c oxidase

    Takaharu Hayashi;Yoshihiro Asano;Yasunori Shintani;Hiroshi Aoyama

  • Time-resolved resonance Raman elucidation of the pathway for dioxygen reduction by cytochrome c oxidase

    Takashi Ogura;Satoshi Takahashi;Shun Hirota;Kyoko Shinzawa-Itoh

  • Reactivity of mononuclear alkylperoxo copper(II) complex. O-O bond cleavage and C-H bond activation.

    Atsushi Kunishita;Hirohito Ishimaru;Satoru Nakashima;Takashi Ogura

  • Formation of a ruthenium(IV)-oxo complex by electron-transfer oxidation of a coordinatively saturated ruthenium(II) complex and detection of oxygen-rebound intermediates in C-H bond oxygenation.

    Takahiko Kojima;Kazuya Nakayama;Kenichiro Ikemura;Takashi Ogura

  • Raman spectroscopic signature of life in a living yeast cell

    Yu-San Huang;Takeshi Karashima;Masayuki Yamamoto;Takashi Ogura

  • A Manganese(V)–Oxo Complex: Synthesis by Dioxygen Activation and Enhancement of Its Oxidizing Power by Binding Scandium Ion

    Seungwoo Hong;Yong Min Lee;Muniyandi Sankaralingam;Anil Kumar Vardhaman

  • Effect of the axial ligand on the reactivity of the oxoiron(IV) porphyrin π-cation radical complex: higher stabilization of the product state relative to the reactant state.

    Akihiro Takahashi;Akihiro Takahashi;Daisuke Yamaki;Kenichiro Ikemura;Takuya Kurahashi;Takuya Kurahashi

  • Pirfenidone attenuates lung fibrotic fibroblast responses to transforming growth factor-β1

    Jin Jin;Shinsaku Togo;Kotaro Kadoya;Miniwan Tulafu

  • Time-Resolved Resonance Raman Evidence for Tight Coupling between Electron Transfer and Proton Pumping of Cytochrome c Oxidase upon the Change from the FeV Oxidation Level to the FeIV Oxidation Level

    Takashi Ogura;Shun Hirota;Denis A. Proshlyakov;Kyoko Shinzawa-Itoh

  • Reversible O-O bond cleavage and formation between Mn(IV)-peroxo and Mn(V)-oxo corroles.

    Sun Hee Kim;Hyejin Park;Mi Sook Seo;Minoru Kubo

  • Reversible O-O bond scission of peroxodiiron(III) to high-spin oxodiiron(IV) in dioxygen activation of a diiron center with a bis-tpa dinucleating ligand as a soluble methane monooxygenase model.

    Masahito Kodera;Yuka Kawahara;Yutaka Hitomi;Takashi Nomura

  • Spectroscopic Characterization of a Hydroperoxo–Heme Intermediate: Conversion of a Side‐On Peroxo to an End‐On Hydroperoxo Complex

    Jin-Gang Liu;Takehiro Ohta;Satoru Yamaguchi;Takashi Ogura

  • Specific Enhancement of Catalytic Activity by a Dicopper Core: Selective Hydroxylation of Benzene to Phenol with Hydrogen Peroxide.

    Tomokazu Tsuji;Antonius Andre Zaoputra;Yutaka Hitomi;Kaoru Mieda

  • Hydrogen-Bonding-Assisted Self-Doping in Tetrathiafulvalene (TTF) Conductor

    Yuka Kobayashi;Mayu Yoshioka;Kazuhiko Saigo;Daisuke Hashizume

  • Water as an Oxygen Source in the Generation of Mononuclear Nonheme Iron(IV) Oxo Complexes

    Yong Min Lee;Sunder N. Dhuri;Sarvesh C. Sawant;Jaeheung Cho

Frequent Co-Authors

Shinya Yoshikawa
Shinya Yoshikawa University of Hyogo
Teizo Kitagawa
Teizo Kitagawa University of Hyogo
Shinobu Itoh
Shinobu Itoh Osaka University
Shun Hirota
Shun Hirota Nara Institute of Science and Technology
Yoshitsugu Shiro
Yoshitsugu Shiro University of Hyogo
Wonwoo Nam
Wonwoo Nam Ewha Womans University
Shunichi Fukuzumi
Shunichi Fukuzumi Osaka University
Takeshi Johkoh
Takeshi Johkoh Osaka University
Kazunari Yoshizawa
Kazunari Yoshizawa Kyushu University
Yong-Min Lee
Yong-Min Lee Yonsei University

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