World's Best Scientists 2026 revealed!
Motomitsu Kitaoka

Motomitsu Kitaoka

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Chemistry 57 11319 10202 833 764 265 9470
Biology and Biochemistry 60 12176 11209 837 783 275 10145

Motomitsu Kitaoka publications per year

The chart shows the history of publications by Motomitsu Kitaoka between 1989 and 2024, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Motomitsu Kitaoka published across 36 years, from 1989 to 2024, averaging 7.7 papers a year. Output peaked at 21 publications in 2009. 6 of the 278 publications appeared in the last two years.

No. of publications
5 10 15 20
Bar chart. Horizontal axis: year, 1989 to 2024. Vertical axis: number of publications, 0 to 21. Peak 21 publications in 2009. 1989: 1 publication 1990: 1 publication 1991: 3 publications 1992: 3 publications 1993: 4 publications 1994: 0 publications 1995: 0 publications 1996: 0 publications 1997: 0 publications 1998: 2 publications 1999: 2 publications 2000: 2 publications 2001: 5 publications 2002: 18 publications 2003: 13 publications 2004: 18 publications 2005: 10 publications 2006: 10 publications 2007: 12 publications 2008: 17 publications 2009: 21 publications 2010: 14 publications 2011: 13 publications 2012: 15 publications 2013: 13 publications 2014: 19 publications 2015: 13 publications 2016: 10 publications 2017: 5 publications 2018: 5 publications 2019: 5 publications 2020: 5 publications 2021: 7 publications 2022: 6 publications 2023: 4 publications 2024: 2 publications
1989 2024

278 publications in total across all disciplines

View publications per year as a table
Motomitsu Kitaoka: publications per year, 1989 to 2024
Year Publications
1989 1
1990 1
1991 3
1992 3
1993 4
1994 0
1995 0
1996 0
1997 0
1998 2
1999 2
2000 2
2001 5
2002 18
2003 13
2004 18
2005 10
2006 10
2007 12
2008 17
2009 21
2010 14
2011 13
2012 15
2013 13
2014 19
2015 13
2016 10
2017 5
2018 5
2019 5
2020 5
2021 7
2022 6
2023 4
2024 2
Total 278
Download as CSV

Motomitsu Kitaoka 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 Motomitsu Kitaoka 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, 261–280 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: 265 publications — 54th percentile

54% 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
261–280 979 265
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
Download as CSV

Motomitsu Kitaoka 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 Motomitsu Kitaoka 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, 56–57 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: 57 D-Index — 39th percentile

39% 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 57
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
Download as CSV

Overview

Motomitsu Kitaoka is affiliated with Niigata University in Japan and specializes in biochemistry, genetics, and molecular biology with a focus on enzymatic functions and applications. Their research primarily addresses enzyme production and characterization, enzyme catalysis and immobilization, microbial metabolites in food biotechnology, infant nutrition and health, diet, metabolism, and disease, biofuel production and bioconversion, and digestive system-related health.

The scientist has contributed extensively to the fields of molecular biology, nutrition and dietetics, biotechnology, endocrinology, diabetes and metabolism, and biomedical engineering.

Motomitsu Kitaoka's recent publications include:

  • Priority effects shape the structure of infant-type Bifidobacterium communities on human milk oligosaccharides, 2022, The ISME Journal
  • Next-generation prebiotic promotes selective growth of bifidobacteria, suppressing Clostridioides difficile, 2021, Gut Microbes
  • Identification of difructose dianhydride I synthase/hydrolase from an oral bacterium establishes a novel glycoside hydrolase family, 2021, Journal of Biological Chemistry
  • Automatic Calculation of the Kinetic Parameters of Enzymatic Reactions with Their Standard Errors Using Microsoft Excel, 2022, Journal of Applied Glycoscience
  • Conversion of levoglucosan into glucose by the coordination of four enzymes through oxidation, elimination, hydration, and reduction, 2020, Scientific Reports

Frequently collaborating coauthors include:

  • Shinya Fushinobu (5 publications)
  • Hiroyuki Nakai (4 publications)
  • Takanori Nihira (4 publications)
  • Kazuhiro Chiku (4 publications)
  • Mitsuru Yoshida (4 publications)

Publication venues commonly featuring their research are:

  • Journal of Applied Glycoscience (5 publications)
  • Carbohydrate Research (3 publications)
  • Scientific Reports (2 publications)
  • Applied Microbiology and Biotechnology (2 publications)
  • The ISME Journal (1 publication)

Best Publications

  • Physiology of Consumption of Human Milk Oligosaccharides by Infant Gut-associated Bifidobacteria

    Sadaki Asakuma;Emi Hatakeyama;Tadasu Urashima;Erina Yoshida

  • Bifidobacterium bifidum Lacto-N-Biosidase, a Critical Enzyme for the Degradation of Human Milk Oligosaccharides with a Type 1 Structure

    Jun Wada;Jun Wada;Takuro Ando;Masashi Kiyohara;Hisashi Ashida

  • Novel Putative Galactose Operon Involving Lacto-N-Biose Phosphorylase in Bifidobacterium longum

    Motomitsu Kitaoka;Jiesheng Tian;Mamoru Nishimoto

  • Carbohydrate-Processing Phosphorolytic Enzymes

    Motomitsu Kitaoka;Kiyoshi Hayashi

  • Varied Pathways of Infant Gut-Associated Bifidobacterium to Assimilate Human Milk Oligosaccharides: Prevalence of the Gene Set and Its Correlation with Bifidobacteria-Rich Microbiota Formation

    Mikiyasu Sakanaka;Aina Gotoh;Keisuke Yoshida;Toshitaka Odamaki

  • Identification of N-acetylhexosamine 1-kinase in the complete lacto-N-biose I/galacto-N-biose metabolic pathway in Bifidobacterium longum.

    Mamoru Nishimoto;Motomitsu Kitaoka

  • Ten years of CAZypedia: a living encyclopedia of carbohydrate-active enzymes

    Wade Abbott;Orly Alber;Ed Bayer;Jean-Guy Berrin

  • Practical Preparation of Lacto-N-biose I, a Candidate for the Bifidus Factor in Human Milk

    Mamoru Nishimoto;Motomitsu Kitaoka

  • Evolutionary adaptation in fucosyllactose uptake systems supports bifidobacteria-infant symbiosis.

    Mikiyasu Sakanaka;Morten Ejby Hansen;Aina Gotoh;Toshihiko Katoh

  • Sharing of human milk oligosaccharides degradants within bifidobacterial communities in faecal cultures supplemented with Bifidobacterium bifidum.

    Aina Gotoh;Toshihiko Katoh;Mikiyasu Sakanaka;Yiwei Ling

  • Bifidobacterium longum subsp. infantis uses two different β-galactosidases for selectively degrading type-1 and type-2 human milk oligosaccharides

    Erina Yoshida;Haruko Sakurama;Masashi Kiyohara;Masahiro Nakajima

  • Recent development of phosphorylases possessing large potential for oligosaccharide synthesis.

    Hiroyuki Nakai;Motomitsu Kitaoka;Birte Svensson;Ken’ichi Ohtsubo

  • Cooperation of β-galactosidase and β-N-acetylhexosaminidase from bifidobacteria in assimilation of human milk oligosaccharides with type 2 structure

    Mika Miwa;Tomohiro Horimoto;Masashi Kiyohara;Masashi Kiyohara;Takane Katayama

  • Synthesis of highly ordered cellulose II in vitro using cellodextrin phosphorylase

    Masao Hiraishi;Kiyohiko Igarashi;Satoshi Kimura;Masahisa Wada

  • Distribution of in vitro fermentation ability of lacto-N-biose I, a major building block of human milk oligosaccharides, in bifidobacterial strains.

    Jin-zhong Xiao;Sachiko Takahashi;Mamoru Nishimoto;Toshitaka Odamaki

  • The first glycosynthase derived from an inverting glycoside hydrolase.

    Yuji Honda;Motomitsu Kitaoka

  • Structural and thermodynamic analyses of solute-binding Protein from Bifidobacterium longum specific for core 1 disaccharide and lacto-N-biose I.

    Ryuichiro Suzuki;Jun Wada;Jun Wada;Takane Katayama;Shinya Fushinobu

  • One-step random mutagenesis by error-prone rolling circle amplification

    Ryota Fujii;Motomitsu Kitaoka;Kiyoshi Hayashi

  • 1,2-α-l-Fucosynthase: A glycosynthase derived from an inverting α-glycosidase with an unusual reaction mechanism

    Jun Wada;Jun Wada;Yuji Honda;Masamichi Nagae;Masamichi Nagae;Ryuichi Kato

  • Bifidobacterial Enzymes Involved in the Metabolism of Human Milk Oligosaccharides

    Motomitsu Kitaoka

  • Chitobiose Phosphorylase from Vibrio proteolyticus, a Member of Glycosyl Transferase Family 36, Has a Clan GH-L-like (α/α)6 Barrel Fold

    Masafumi Hidaka;Yuji Honda;Motomitsu Kitaoka;Satoru Nirasawa

  • Error-prone rolling circle amplification: the simplest random mutagenesis protocol

    Ryota Fujii;Motomitsu Kitaoka;Kiyoshi Hayashi

Frequent Co-Authors

Shinya Fushinobu
Shinya Fushinobu University of Tokyo
Kenji Yamamoto
Kenji Yamamoto Ishikawa Prefectural University
Hirofumi Shoun
Hirofumi Shoun University of Tokyo
Hidehiko Kumagai
Hidehiko Kumagai Ishikawa Prefectural University
Birte Svensson
Birte Svensson Technical University of Denmark
Kiyohiko Igarashi
Kiyohiko Igarashi University of Tokyo
Masahiro Samejima
Masahiro Samejima University of Tokyo
Kazuo Sakka
Kazuo Sakka Mie University
Peng George Wang
Peng George Wang Georgia State University
John F. Robyt
John F. Robyt Iowa State University

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 interested in applying their Chemistry knowledge in practical and impactful ways, pursuing a forensic science bachelor degree online offers a strong foundation. These programs blend chemical principles with criminal investigation techniques, allowing graduates to excel in crime labs and law enforcement agencies.

Advanced degrees often enhance career opportunities, and an online master's in forensic psychology can complement a chemistry background by exploring the psychological aspects behind criminal behavior. This interdisciplinary knowledge is vital for roles requiring both scientific analysis and human understanding.

Exploring various forensic career paths reveals diverse opportunities ranging from toxicology and DNA analysis to crime scene investigation. These roles rely heavily on chemistry expertise to interpret evidence accurately and support the justice system.

When planning education, it's important to consider costs. Reviewing criminal justice degree tuition details can help students budget for programs that align with their career goals without financial strain.

Best Scientists Citing Motomitsu Kitaoka

Trending Scientists

Recently Published Articles