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D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Microbiology 61 2994 2743 112 105 461 13582

Ikuo Igarashi publications per year

The chart shows the history of publications by Ikuo Igarashi between 1980 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Ikuo Igarashi published across 46 years, from 1980 to 2025, averaging 10.1 papers a year. Output peaked at 24 publications in 2007. 2 of the 465 publications appeared in the last two years.

No. of publications
5 10 15 20
Bar chart. Horizontal axis: year, 1980 to 2025. Vertical axis: number of publications, 0 to 24. Peak 24 publications in 2007. 1980: 2 publications 1981: 0 publications 1982: 0 publications 1983: 1 publication 1984: 2 publications 1985: 0 publications 1986: 1 publication 1987: 5 publications 1988: 1 publication 1989: 1 publication 1990: 5 publications 1991: 2 publications 1992: 8 publications 1993: 3 publications 1994: 5 publications 1995: 2 publications 1996: 7 publications 1997: 8 publications 1998: 10 publications 1999: 10 publications 2000: 12 publications 2001: 21 publications 2002: 18 publications 2003: 20 publications 2004: 17 publications 2005: 15 publications 2006: 13 publications 2007: 24 publications 2008: 18 publications 2009: 16 publications 2010: 18 publications 2011: 15 publications 2012: 23 publications 2013: 15 publications 2014: 16 publications 2015: 16 publications 2016: 21 publications 2017: 14 publications 2018: 12 publications 2019: 21 publications 2020: 15 publications 2021: 11 publications 2022: 13 publications 2023: 6 publications 2024: 1 publication 2025: 1 publication
1980 2025

465 publications in total across all disciplines

View publications per year as a table
Ikuo Igarashi: publications per year, 1980 to 2025
Year Publications
1980 2
1981 0
1982 0
1983 1
1984 2
1985 0
1986 1
1987 5
1988 1
1989 1
1990 5
1991 2
1992 8
1993 3
1994 5
1995 2
1996 7
1997 8
1998 10
1999 10
2000 12
2001 21
2002 18
2003 20
2004 17
2005 15
2006 13
2007 24
2008 18
2009 16
2010 18
2011 15
2012 23
2013 15
2014 16
2015 16
2016 21
2017 14
2018 12
2019 21
2020 15
2021 11
2022 13
2023 6
2024 1
2025 1
Total 465
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Ikuo Igarashi publication distribution in Microbiology in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Microbiology in 2026. The highlighted bar marks where Ikuo Igarashi sits on this spectrum.

No. of scientists
50 100 150 200 250
Bar chart with 64 bars. Horizontal axis: publications, 55–64 to 679+. Vertical axis: number of scientists, 0 to 288. Most scientists, 288, have 135–144 publications. The last bar groups every scientist with 679 publications or more. The highlighted bar, 455–464 publications, is where this scientist sits. 55–64 publications: 8 scientists 65–74 publications: 29 scientists 75–84 publications: 55 scientists 85–94 publications: 112 scientists 95–104 publications: 137 scientists 105–114 publications: 190 scientists 115–124 publications: 235 scientists 125–134 publications: 234 scientists 135–144 publications: 288 scientists 145–154 publications: 265 scientists 155–164 publications: 264 scientists 165–174 publications: 253 scientists 175–184 publications: 276 scientists 185–194 publications: 190 scientists 195–204 publications: 234 scientists 205–214 publications: 208 scientists 215–224 publications: 198 scientists 225–234 publications: 155 scientists 235–244 publications: 161 scientists 245–254 publications: 160 scientists 255–264 publications: 146 scientists 265–274 publications: 139 scientists 275–284 publications: 148 scientists 285–294 publications: 115 scientists 295–304 publications: 96 scientists 305–314 publications: 88 scientists 315–324 publications: 106 scientists 325–334 publications: 65 scientists 335–344 publications: 76 scientists 345–354 publications: 64 scientists 355–364 publications: 62 scientists 365–374 publications: 65 scientists 375–384 publications: 61 scientists 385–394 publications: 34 scientists 395–404 publications: 44 scientists 405–414 publications: 36 scientists 415–424 publications: 35 scientists 425–434 publications: 29 scientists 435–444 publications: 33 scientists 445–454 publications: 34 scientists 455–464 publications: 25 scientists 465–474 publications: 26 scientists 475–484 publications: 20 scientists 485–494 publications: 19 scientists 495–504 publications: 16 scientists 505–514 publications: 17 scientists 515–524 publications: 23 scientists 525–534 publications: 14 scientists 535–544 publications: 14 scientists 545–554 publications: 18 scientists 555–564 publications: 12 scientists 565–574 publications: 7 scientists 575–584 publications: 9 scientists 585–594 publications: 9 scientists 595–604 publications: 9 scientists 605–614 publications: 7 scientists 615–624 publications: 9 scientists 625–634 publications: 7 scientists 635–644 publications: 4 scientists 645–654 publications: 5 scientists 655–664 publications: 6 scientists 665–674 publications: 7 scientists 675–678 publications: 3 scientists 679+ publications: 99 scientists
55–64 publications 679+

This scientist: 461 publications — 93rd percentile

93% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 679 publications or more.

View publications distribution as a table
Number of Microbiology scientists by publication count, Research.com 2026 ranking edition. Based on 5,513 ranked scientists.
Publications Scientists This scientist
55–64 8
65–74 29
75–84 55
85–94 112
95–104 137
105–114 190
115–124 235
125–134 234
135–144 288
145–154 265
155–164 264
165–174 253
175–184 276
185–194 190
195–204 234
205–214 208
215–224 198
225–234 155
235–244 161
245–254 160
255–264 146
265–274 139
275–284 148
285–294 115
295–304 96
305–314 88
315–324 106
325–334 65
335–344 76
345–354 64
355–364 62
365–374 65
375–384 61
385–394 34
395–404 44
405–414 36
415–424 35
425–434 29
435–444 33
445–454 34
455–464 25 461
465–474 26
475–484 20
485–494 19
495–504 16
505–514 17
515–524 23
525–534 14
535–544 14
545–554 18
555–564 12
565–574 7
575–584 9
585–594 9
595–604 9
605–614 7
615–624 9
625–634 7
635–644 4
645–654 5
655–664 6
665–674 7
675–678 3
679+ 99
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Ikuo Igarashi D-index placement in Microbiology in 2026

The chart shows the D-index (discipline H-index) distribution of Microbiology scientists ranked by Research.com in 2026. The highlighted bar marks where Ikuo Igarashi sits on this spectrum.

No. of scientists
50 100 150
Bar chart with 88 bars. Horizontal axis: D-Index, 40 to 127+. Vertical axis: number of scientists, 0 to 162. Most scientists, 162, have 58 D-Index. The last bar groups every scientist with 127 D-Index or more. The highlighted bar, 61 D-Index, is where this scientist sits. 40 D-Index: 30 scientists 41 D-Index: 86 scientists 42 D-Index: 90 scientists 43 D-Index: 117 scientists 44 D-Index: 122 scientists 45 D-Index: 123 scientists 46 D-Index: 108 scientists 47 D-Index: 110 scientists 48 D-Index: 106 scientists 49 D-Index: 109 scientists 50 D-Index: 129 scientists 51 D-Index: 111 scientists 52 D-Index: 116 scientists 53 D-Index: 127 scientists 54 D-Index: 134 scientists 55 D-Index: 134 scientists 56 D-Index: 112 scientists 57 D-Index: 136 scientists 58 D-Index: 162 scientists 59 D-Index: 151 scientists 60 D-Index: 139 scientists 61 D-Index: 123 scientists 62 D-Index: 126 scientists 63 D-Index: 144 scientists 64 D-Index: 109 scientists 65 D-Index: 103 scientists 66 D-Index: 124 scientists 67 D-Index: 112 scientists 68 D-Index: 103 scientists 69 D-Index: 131 scientists 70 D-Index: 94 scientists 71 D-Index: 93 scientists 72 D-Index: 96 scientists 73 D-Index: 92 scientists 74 D-Index: 80 scientists 75 D-Index: 66 scientists 76 D-Index: 87 scientists 77 D-Index: 60 scientists 78 D-Index: 73 scientists 79 D-Index: 59 scientists 80 D-Index: 57 scientists 81 D-Index: 55 scientists 82 D-Index: 47 scientists 83 D-Index: 77 scientists 84 D-Index: 50 scientists 85 D-Index: 45 scientists 86 D-Index: 42 scientists 87 D-Index: 41 scientists 88 D-Index: 32 scientists 89 D-Index: 38 scientists 90 D-Index: 35 scientists 91 D-Index: 34 scientists 92 D-Index: 27 scientists 93 D-Index: 26 scientists 94 D-Index: 33 scientists 95 D-Index: 22 scientists 96 D-Index: 37 scientists 97 D-Index: 22 scientists 98 D-Index: 21 scientists 99 D-Index: 22 scientists 100 D-Index: 30 scientists 101 D-Index: 16 scientists 102 D-Index: 20 scientists 103 D-Index: 17 scientists 104 D-Index: 19 scientists 105 D-Index: 16 scientists 106 D-Index: 19 scientists 107 D-Index: 18 scientists 108 D-Index: 14 scientists 109 D-Index: 10 scientists 110 D-Index: 9 scientists 111 D-Index: 7 scientists 112 D-Index: 11 scientists 113 D-Index: 6 scientists 114 D-Index: 15 scientists 115 D-Index: 10 scientists 116 D-Index: 12 scientists 117 D-Index: 7 scientists 118 D-Index: 10 scientists 119 D-Index: 10 scientists 120 D-Index: 11 scientists 121 D-Index: 2 scientists 122 D-Index: 7 scientists 123 D-Index: 12 scientists 124 D-Index: 5 scientists 125 D-Index: 9 scientists 126 D-Index: 6 scientists 127+ D-Index: 95 scientists
40 D-Index 127+

This scientist: 61 D-Index — 47th percentile

47% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 127 D-Index or more.

View D-Index distribution as a table
Number of Microbiology scientists by D-index, Research.com 2026 ranking edition. Based on 5,513 ranked scientists.
D-Index Scientists This scientist
40 30
41 86
42 90
43 117
44 122
45 123
46 108
47 110
48 106
49 109
50 129
51 111
52 116
53 127
54 134
55 134
56 112
57 136
58 162
59 151
60 139
61 123 61
62 126
63 144
64 109
65 103
66 124
67 112
68 103
69 131
70 94
71 93
72 96
73 92
74 80
75 66
76 87
77 60
78 73
79 59
80 57
81 55
82 47
83 77
84 50
85 45
86 42
87 41
88 32
89 38
90 35
91 34
92 27
93 26
94 33
95 22
96 37
97 22
98 21
99 22
100 30
101 16
102 20
103 17
104 19
105 16
106 19
107 18
108 14
109 10
110 9
111 7
112 11
113 6
114 15
115 10
116 12
117 7
118 10
119 10
120 11
121 2
122 7
123 12
124 5
125 9
126 6
127+ 95
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Overview

Ikuo Igarashi is affiliated with Obihiro University of Agriculture and Veterinary Medicine in Japan. Their research spans multiple disciplines within agricultural and biological sciences, immunology, microbiology, and medicine. The core focus areas include parasitology, plant science, public health, environmental and occupational health, insect science, and immunology.

The scientist's work concentrates on vector-borne infectious diseases, insect pest control strategies, insect and pesticide research, toxin mechanisms and immunotoxins, malaria research and control, mosquito-borne diseases and control, and vector-borne animal diseases.

Frequent co-authors in their research include Mohamed Abdo Rizk, Shimaa Abd El-Salam El-Sayed, Xuenan Xuan, Naoaki Yokoyama, and Shengwei Ji.

The main venues where Igarashi has published include Parasitology International, Pathogens, Journal of Biological Chemistry, Molecules, and PLoS ONE.

Selected recent publications are:

  • Tafenoquine Is a Promising Drug Candidate for the Treatment of Babesiosis, 2021, Antimicrobial Agents and Chemotherapy
  • Phytochemical Characterization and Chemotherapeutic Potential of Cinnamomum verum Extracts on the Multiplication of Protozoan Parasites In Vitro and In Vivo, 2020, Molecules
  • Safety and efficacy of hydroxyurea and eflornithine against most blood parasites Babesia and Theileria, 2020, PLoS ONE
  • Myrrh Oil in Vitro Inhibitory Growth on Bovine and Equine Piroplasm Parasites and Babesia microti of Mice, 2020, Pathogens
  • In vitro screening of novel anti-Babesia gibsoni drugs from natural products, 2021, Parasitology International

Best Publications

  • Loop-Mediated Isothermal Amplification for Detection of African Trypanosomes

    Noritaka Kuboki;Noboru Inoue;Tatsuya Sakurai;Francescopaolo Di Cello

  • Open Source Drug Discovery with the Malaria Box Compound Collection for Neglected Diseases and Beyond.

    Wesley C. Van Voorhis;John H. Adams;Roberto Adelfio;Roberto Adelfio;Vida Ahyong

  • Development of a multiplex loop-mediated isothermal amplification (mLAMP) method for the simultaneous detection of bovine Babesia parasites.

    Hiroshi Iseki;Andy Alhassan;Naomi Ohta;Oriel M.M. Thekisoe

  • Development of a single-round and multiplex PCR method for the simultaneous detection of Babesia caballi and Babesia equi in horse blood.

    Andy Alhassan;Wilawan Pumidonming;Masashi Okamura;Haruyuki Hirata

  • Epidemiological survey of Theileria orientalis infection in grazing cattle in the eastern part of Hokkaido, Japan.

    Naomi Ota;Daisuke Mizuno;Noritaka Kuboki;Ikuo Igarashi

  • Human cerebral malaria: a pathological study.

    Maung Maung Oo;Masamichi Aikawa;Than Than;Tin Maung Aye

  • Molecular and serological prevalence of Babesia bovis and Babesia bigemina in water buffaloes in the northeast region of Thailand.

    Mohamad Alaa Terkawi;Nguyen Xuan Huyen;Cao Shinuo;Tawin Inpankaew

  • Development and preliminary evaluation of a loop-mediated isothermal amplification procedure for sensitive detection of cryptosporidium oocysts in fecal and water samples.

    Panagiotis Karanis;Panagiotis Karanis;Oriel Thekisoe;Klytaimnistra Kiouptsi;Klytaimnistra Kiouptsi;Jerry Ongerth

  • Species-specific loop-mediated isothermal amplification (LAMP) for diagnosis of trypanosomosis.

    Oriel M.M. Thekisoe;Noritaka Kuboki;Andrew Nambota;Kozo Fujisaki

  • Fatal experimental transplacental Babesia gibsoni infections in dogs.

    Shinya Fukumoto;Hiroshi Suzuki;Ikuo Igarashi;Xuenan Xuan

  • Molecular Evidence of Infections with Babesia gibsoni Parasites in Japan and Evaluation of the Diagnostic Potential of a Loop-Mediated Isothermal Amplification Method

    Hiromi Ikadai;Hiroko Tanaka;Nona Shibahara;Aya Matsuu

  • Divergence of the Mitochondrial Genome Structure in the Apicomplexan Parasites, Babesia and Theileria

    Kenji Hikosaka;Yoh-Ichi Watanabe;Naotoshi Tsuji;Kiyoshi Kita

  • Prevention of vertical transmission of Neospora caninum in BALB/c mice by recombinant vaccinia virus carrying NcSRS2 gene.

    Yoshifumi Nishikawa;Xuenan Xuan;Hideyuki Nagasawa;Ikuo Igarashi

  • Erythrocyte invasion by Babesia parasites: current advances in the elucidation of the molecular interactions between the protozoan ligands and host receptors in the invasion stage.

    Naoaki Yokoyama;Masashi Okamura;Ikuo Igarashi

  • A Review on Equine Piroplasmosis: Epidemiology, Vector Ecology, Risk Factors, Host Immunity, Diagnosis and Control.

    ThankGod E Onyiche;Keisuke Suganuma;Ikuo Igarashi;Naoaki Yokoyama

  • Protective efficacy of vaccination by recombinant vaccinia virus against Neospora caninum infection.

    Yoshifumi Nishikawa;Noboru Inoue;Xuenan Xuan;Hideyuki Nagasawa

  • Serodiagnosis of Toxoplasma gondii infection in cats by enzyme-linked immunosorbent assay using recombinant SAG1

    Elikira N. Kimbita;Xuenan Xuan;Xiaohong Huang;Takayuki Miyazawa

  • Evaluation of loop-mediated isothermal amplification (LAMP), PCR and parasitological tests for detection of Trypanosoma evansi in experimentally infected pigs.

    Oriel M.M. Thekisoe;Noboru Inoue;Noritaka Kuboki;Darunee Tuntasuvan

  • Development of loop-mediated isothermal amplification (LAMP) method for diagnosis of equine piroplasmosis.

    Andy Alhassan;Oriel M.M. Thekisoe;Naoaki Yokoyama;Noboru Inoue

  • Serodiagnosis of Neospora caninum infection in cattle by enzyme-linked immunosorbent assay with recombinant truncated NcSAG1

    Bayin Chahan;Irungu Gaturaga;Xiaohong Huang;Min Liao

Frequent Co-Authors

Naoaki Yokoyama
Naoaki Yokoyama Obihiro University of Agriculture and Veterinary Medicine
Xuenan Xuan
Xuenan Xuan Obihiro University of Agriculture and Veterinary Medicine
Kozo Fujisaki
Kozo Fujisaki National Agriculture and Food Research Organization
Hiroshi Suzuki
Hiroshi Suzuki Obihiro University of Agriculture and Veterinary Medicine
Mahmoud AbouLaila
Mahmoud AbouLaila Damanhour University
Chihiro Sugimoto
Chihiro Sugimoto Hokkaido University
Takeshi Mikami
Takeshi Mikami University of Tokyo
Tawin Inpankaew
Tawin Inpankaew Kasetsart University
Yuzuru Ikehara
Yuzuru Ikehara Chiba University
Hisashi Inokuma
Hisashi Inokuma University of Tokyo

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