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Kenjiro Hanaoka

Kenjiro Hanaoka

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Chemistry 67 6950 6296 449 420 190 14996

Kenjiro Hanaoka publications per year

The chart shows the history of publications by Kenjiro Hanaoka between 1993 and 2026, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Kenjiro Hanaoka published across 34 years, from 1993 to 2026, averaging 6.2 papers a year. Output peaked at 21 publications in 2014. 13 of the 211 publications appeared in the last two years.

No. of publications
5 10 15 20
Bar chart. Horizontal axis: year, 1993 to 2026. Vertical axis: number of publications, 0 to 21. Peak 21 publications in 2014. 1993: 1 publication 1994: 1 publication 1995: 1 publication 1996: 1 publication 1997: 0 publications 1998: 1 publication 1999: 0 publications 2000: 0 publications 2001: 1 publication 2002: 1 publication 2003: 2 publications 2004: 1 publication 2005: 1 publication 2006: 1 publication 2007: 2 publications 2008: 6 publications 2009: 4 publications 2010: 8 publications 2011: 17 publications 2012: 9 publications 2013: 7 publications 2014: 21 publications 2015: 14 publications 2016: 10 publications 2017: 19 publications 2018: 10 publications 2019: 10 publications 2020: 16 publications 2021: 9 publications 2022: 6 publications 2023: 10 publications 2024: 8 publications 2025: 11 publications 2026: 2 publications
1993 2026

211 publications in total across all disciplines

View publications per year as a table
Kenjiro Hanaoka: publications per year, 1993 to 2026
Year Publications
1993 1
1994 1
1995 1
1996 1
1997 0
1998 1
1999 0
2000 0
2001 1
2002 1
2003 2
2004 1
2005 1
2006 1
2007 2
2008 6
2009 4
2010 8
2011 17
2012 9
2013 7
2014 21
2015 14
2016 10
2017 19
2018 10
2019 10
2020 16
2021 9
2022 6
2023 10
2024 8
2025 11
2026 2
Total 211
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Kenjiro Hanaoka publications per year - data summary

  • Kenjiro Hanaoka, a Chemistry scholar from Keio University, has 211 publications recorded across 34 years, from 1993 to 2026.
  • The oldest publication on record dates to 1993 and the most recent to 2026.
  • The most productive year is 2014, with 21 publications.
  • The least productive years with any output are 1993, 1994, 1995, 1996 and others, with 1 publication each.
  • 3 of the 34 years in the span carry no publications at all (1997, 1999 and 2000).
  • The rate of publication averages 6.2 papers per year over the whole span, or 6.8 per year counting only the 31 years with at least one publication.
  • The last 5 years on the chart (2022-2026) hold 37 publications, 18% of the career total.
  • Split into equal eras - 1993-2004: 10 publications (0.8 per year); 2005-2016: 100 publications (8.3 per year); 2017-2026: 101 publications (10.1 per year).
  • Comparing the opening and closing eras, the overall trend of publication is rising.

Kenjiro Hanaoka 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 Kenjiro Hanaoka 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, 181–200 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: 190 publications — 29th percentile

29% 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 1,344 190
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
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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Kenjiro Hanaoka publication distribution in Chemistry in 2026 - data summary

  • The chart plots the publication count of all 17,934 Chemistry scientists ranked by Research.com in 2026, grouped into 63 ranges running from 61–80 to 1,295+ publications.
  • Kenjiro Hanaoka, a Chemistry scholar from Keio University, records 190 publications - the 29th percentile of the discipline.
  • 29% of ranked Chemistry scientists score the same or lower than Kenjiro Hanaoka, and about 71% score higher.
  • The median of the discipline falls in the 241–260 publications range, and Kenjiro Hanaoka ranks below the median.
  • The most crowded range is 161–180 publications, holding 1,350 scientists (8% of the field).
  • 77% of the field sits in the lowest quarter of the value range (up to 361–380 publications), so the distribution is heavily right-skewed and high scores are rare.
  • The final bar has no upper bound: it groups every scientist with 1,295 publications or more, 100 scientists in all (<1% of the field).

Kenjiro Hanaoka 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 Kenjiro Hanaoka 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, 66–67 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: 67 D-Index — 62nd percentile

62% 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 67
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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Kenjiro Hanaoka D-index placement in Chemistry in 2026 - data summary

  • The chart plots the discipline H-index (D-index) of all 17,934 Chemistry scientists ranked by Research.com in 2026, grouped into 61 ranges running from 40–41 to 159+ D-Index.
  • Kenjiro Hanaoka, a Chemistry scholar from Keio University, records 67 D-Index - the 62nd percentile of the discipline.
  • 62% of ranked Chemistry scientists score the same or lower than Kenjiro Hanaoka, and about 38% score higher.
  • The median of the discipline falls in the 62–63 D-Index range, and Kenjiro Hanaoka ranks above the median.
  • The most crowded range is 56–57 D-Index, holding 1,051 scientists (6% of the field).
  • 70% of the field sits in the lowest quarter of the value range (up to 70–71 D-Index), so the distribution is heavily right-skewed and high scores are rare.
  • The final bar has no upper bound: it groups every scientist with 159 D-Index or more, 98 scientists in all (<1% of the field).

Overview

Kenjiro Hanaoka is affiliated with Keio University in Japan and has conducted extensive research in biochemistry, genetics, molecular biology, and medicine. Their scholarly output includes work primarily focused on molecular biology, biomedical engineering, materials chemistry, biochemistry, and organic chemistry.

Their research addresses various topics such as:

  • Nanoplatforms for cancer theranostics
  • Sulfur compounds in biology
  • Click chemistry and applications
  • Luminescence and fluorescent materials
  • Peptidase inhibition and analysis
  • Cancer, hypoxia, and metabolism
  • Molecular sensors and ion detection

Kenjiro Hanaoka has published frequently in journals including:

  • Journal of the American Chemical Society
  • Scientific Reports
  • Chemical Communications
  • RSC Chemical Biology
  • Communications Chemistry

Some of the recent papers authored by Hanaoka are:

  • General Design Strategy to Precisely Control the Emission of Fluorophores via a Twisted Intramolecular Charge Transfer (TICT) Process, 2022, Journal of the American Chemical Society
  • Sulfide catabolism ameliorates hypoxic brain injury, 2021, Nature Communications
  • A Fluorescent Probe for Rapid, High-Contrast Visualization of Folate-Receptor-Expressing Tumors In Vivo, 2020, Angewandte Chemie International Edition
  • Hypoxia-inducible factor-1 alpha maintains mouse articular cartilage through suppression of NF-κB signaling, 2020, Scientific Reports
  • Real-time in vivo imaging of extracellular ATP in the brain with a hybrid-type fluorescent sensor, 2020, eLife

Kenjiro Hanaoka collaborates with several co-authors frequently, including:

  • Yasuteru Urano
  • Toru Komatsu
  • Eita Sasaki
  • Tasuku Ueno
  • Takayuki Ikeno

Best Publications

  • Development of an Si-Rhodamine-Based Far-Red to Near-Infrared Fluorescence Probe Selective for Hypochlorous Acid and Its Applications for Biological Imaging

    Yuichiro Koide;Yasuteru Urano;Kenjiro Hanaoka;Takuya Terai

  • Development of a highly selective fluorescence probe for hydrogen sulfide.

    Kiyoshi Sasakura;Kenjiro Hanaoka;Norihiro Shibuya;Yoshinori Mikami

  • Evolution of group 14 rhodamines as platforms for near-infrared fluorescence probes utilizing photoinduced electron transfer.

    Yuichiro Koide;Yasuteru Urano;Kenjiro Hanaoka;Takuya Terai

  • Hypoxia-Sensitive Fluorescent Probes for in Vivo Real-Time Fluorescence Imaging of Acute Ischemia

    Kazuki Kiyose;Kenjiro Hanaoka;Daihi Oushiki;Tomomi Nakamura

  • Development and application of a near-infrared fluorescence probe for oxidative stress based on differential reactivity of linked cyanine dyes.

    Daihi Oushiki;Hirotatsu Kojima;Takuya Terai;Makoto Arita

  • N-Acetyl Cysteine Functions as a Fast-Acting Antioxidant by Triggering Intracellular H 2 S and Sulfane Sulfur Production

    Daria Ezeriņa;Yoko Takano;Kenjiro Hanaoka;Yasuteru Urano

  • Development of a Zinc Ion-Selective Luminescent Lanthanide Chemosensor for Biological Applications

    Kenjiro Hanaoka;Kazuya Kikuchi;Hirotatsu Kojima;Yasuteru Urano

  • Development of a highly sensitive fluorescence probe for hydrogen peroxide.

    Masahiro Abo;Yasuteru Urano;Kenjiro Hanaoka;Takuya Terai

  • Rational design of ratiometric near-infrared fluorescent pH probes with various pKa values, based on aminocyanine

    Takuya Myochin;Kazuki Kiyose;Kenjiro Hanaoka;Hirotatsu Kojima

  • Development of NIR Fluorescent Dyes Based on Si–rhodamine for in Vivo Imaging

    Yuichiro Koide;Yasuteru Urano;Kenjiro Hanaoka;Wen Piao

  • Development of azo-based fluorescent probes to detect different levels of hypoxia.

    Wen Piao;Satoru Tsuda;Yuji Tanaka;Satoshi Maeda

  • A Single Fluorescent Probe to Visualize Hydrogen Sulfide and Hydrogen Polysulfides with Different Fluorescence Signals.

    Wei Chen;Armando Pacheco;Yoko Takano;Jacob J. Day

  • Time-Resolved Long-Lived Luminescence Imaging Method Employing Luminescent Lanthanide Probes with a New Microscopy System

    Kenjiro Hanaoka;Kazuya Kikuchi;Shigeru Kobayashi;Tetsuo Nagano

  • Rational Design of Highly Sensitive Fluorescence Probes for Protease and Glycosidase Based on Precisely Controlled Spirocyclization

    Masayo Sakabe;Daisuke Asanuma;Mako Kamiya;Ryu J. Iwatate

  • Development of an Azo-Based Photosensitizer Activated under Mild Hypoxia for Photodynamic Therapy

    Wen Piao;Kenjiro Hanaoka;Tomotsumi Fujisawa;Satoshi Takeuchi

  • Design and synthesis of a highly sensitive off-on fluorescent chemosensor for zinc ions utilizing internal charge transfer

    Kenjiro Hanaoka;Yasuaki Muramatsu;Yasuteru Urano;Takuya Terai

  • Selective detection of zinc ions with novel luminescent lanthanide probes.

    Kenjiro Hanaoka;Kazuya Kikuchi;Kazuya Kikuchi;Hirotatsu Kojima;Yasuteru Urano

  • Development of a Far-Red to Near-Infrared Fluorescence Probe for Calcium Ion and its Application to Multicolor Neuronal Imaging

    Takahiro Egawa;Kenjiro Hanaoka;Yuichiro Koide;Sakiko Ujita

  • Silicon-substituted xanthene dyes and their applications in bioimaging

    Yu Kushida;Tetsuo Nagano;Kenjiro Hanaoka

  • A reversible near-infrared fluorescence probe for reactive oxygen species based on Te–rhodamine

    Yuichiro Koide;Mitsuyasu Kawaguchi;Yasuteru Urano;Kenjiro Hanaoka

  • Development of a fluorescein analogue, TokyoMagenta, as a novel scaffold for fluorescence probes in red region

    Takahiro Egawa;Yuichiro Koide;Kenjiro Hanaoka;Toru Komatsu

Frequent Co-Authors

Tetsuo Nagano
Tetsuo Nagano University of Tokyo
Yasuteru Urano
Yasuteru Urano University of Tokyo
Toru Komatsu
Toru Komatsu University of Tokyo
Takuya Terai
Takuya Terai University of Tokyo
Hirotatsu Kojima
Hirotatsu Kojima University of Tokyo
Kazuya Kikuchi
Kazuya Kikuchi Osaka University
Hideo Kimura
Hideo Kimura University of Tokyo
Yuji Ikegaya
Yuji Ikegaya University of Tokyo
Masanobu Uchiyama
Masanobu Uchiyama University of Tokyo
Yasunobu Hirata
Yasunobu Hirata University of Tokyo

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