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
Microbiology 67 2312 2113 78 72 235 13499

Akira Hiraishi publications per year

The chart shows the history of publications by Akira Hiraishi between 1977 and 2024, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Akira Hiraishi published across 48 years, from 1977 to 2024, averaging 5.4 papers a year. Output peaked at 21 publications in 2005. 1 of the 259 publications appeared in the last two years.

No. of publications
5 10 15 20
Bar chart. Horizontal axis: year, 1977 to 2024. Vertical axis: number of publications, 0 to 21. Peak 21 publications in 2005. 1977: 1 publication 1978: 1 publication 1979: 0 publications 1980: 0 publications 1981: 0 publications 1982: 1 publication 1983: 2 publications 1984: 4 publications 1985: 2 publications 1986: 1 publication 1987: 1 publication 1988: 5 publications 1989: 8 publications 1990: 2 publications 1991: 6 publications 1992: 4 publications 1993: 6 publications 1994: 8 publications 1995: 15 publications 1996: 6 publications 1997: 17 publications 1998: 10 publications 1999: 9 publications 2000: 8 publications 2001: 7 publications 2002: 10 publications 2003: 14 publications 2004: 9 publications 2005: 21 publications 2006: 5 publications 2007: 18 publications 2008: 2 publications 2009: 12 publications 2010: 5 publications 2011: 3 publications 2012: 9 publications 2013: 5 publications 2014: 3 publications 2015: 9 publications 2016: 3 publications 2017: 4 publications 2018: 0 publications 2019: 0 publications 2020: 1 publication 2021: 0 publications 2022: 1 publication 2023: 0 publications 2024: 1 publication
1977 2024

259 publications in total across all disciplines

View publications per year as a table
Akira Hiraishi: publications per year, 1977 to 2024
Year Publications
1977 1
1978 1
1979 0
1980 0
1981 0
1982 1
1983 2
1984 4
1985 2
1986 1
1987 1
1988 5
1989 8
1990 2
1991 6
1992 4
1993 6
1994 8
1995 15
1996 6
1997 17
1998 10
1999 9
2000 8
2001 7
2002 10
2003 14
2004 9
2005 21
2006 5
2007 18
2008 2
2009 12
2010 5
2011 3
2012 9
2013 5
2014 3
2015 9
2016 3
2017 4
2018 0
2019 0
2020 1
2021 0
2022 1
2023 0
2024 1
Total 259
Download as CSV

Akira Hiraishi 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 Akira Hiraishi 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, 235–244 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: 235 publications — 61st percentile

61% 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
235–244 161 235
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
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
Download as CSV

Akira Hiraishi 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 Akira Hiraishi 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, 67 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: 67 D-Index — 60th percentile

60% 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
62 126
63 144
64 109
65 103
66 124
67 112 67
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
Download as CSV

Overview

Akira Hiraishi is affiliated with Toyohashi University of Technology in Japan and has contributed to research primarily in the fields of Environmental Science and Biochemistry, Genetics and Molecular Biology. Their work spans several subfields including Ecology, Molecular Biology, and Oceanography.

The scientist's research focuses on various topics such as Microbial Community Ecology and Physiology, Genomics and Phylogenetic Studies, Environmental DNA in Biodiversity Studies, Protist Diversity and Phylogeny, and Marine and Coastal Ecosystems.

Akira Hiraishi has published papers in important venues including:

  • Microorganisms
  • Bergey's Manual of Systematics of Archaea and Bacteria

Two notable recent publications include:

  • Distribution of Phototrophic Purple Nonsulfur Bacteria in Massive Blooms in Coastal and Wastewater Ditch Environments (2020, Microorganisms)
  • Rhodoplanes (2021, Bergey's Manual of Systematics of Archaea and Bacteria)

Collaborations have involved frequent co-authors such as Nobuyoshi Nagao, Chinatsu Yonekawa, So Umekage, Yo Kikuchi, and Toshihiko Eki, each contributing to various projects alongside Hiraishi.

Best Publications

  • Proposal of the genus Sphingomonas sensu stricto and three new genera, Sphingobium, Novosphingobium and Sphingopyxis, on the basis of phylogenetic and chemotaxonomic analyses.

    Mariko Takeuchi;Koei Hamana;Akira Hiraishi

  • Comparative lipoquinone analysis of influent sewage and activated sludge by high-performance liquid chromatography and photodiode array detection

    Akira Hiraishi;Yoko Ueda;Junko Ishihara;Tadahiro Mori

  • Direct automated sequencing of 16S rDNA amplified by polymerase chain reaction from bacterial cultures without DNA purification

    A. Hiraishi

  • Degradation of the cyanobacterial hepatotoxin microcystin by a new bacterium isolated from a hypertrophic lake.

    Ho-Dong Park;Youhei Sasaki;Tomoko Maruyama;Eiji Yanagisawa

  • Aerobic and anaerobic toluene degradation by a newly isolated denitrifying bacterium, Thauera sp. strain DNT-1.

    Yoshifumi Shinoda;Yasuyoshi Sakai;Hiroshi Uenishi;Yasumitsu Uchihashi

  • Microlunatus phosphovorus gen. nov., sp. nov., a new gram-positive polyphosphate-accumulating bacterium isolated from activated sludge.

    Kazunori Nakamura;Akira Hiraishi;Yukihiko Yoshimi;Mamoru Kawaharasaki

  • Members of the Family Comamonadaceae as Primary Poly(3-Hydroxybutyrate-co-3-Hydroxyvalerate)-Degrading Denitrifiers in Activated Sludge as Revealed by a Polyphasic Approach

    Shams Tabrez Khan;Yoko Horiba;Masamitsu Yamamoto;Akira Hiraishi

  • Sphingosinicella microcystinivorans gen. nov., sp. nov., a microcystin-degrading bacterium.

    Tomoko Maruyama;Ho-Dong Park;Kazuhiko Ozawa;Yoshinori Tanaka

  • Altered Quinone Biosynthesis in the Long-lived clk-1Mutants of Caenorhabditis elegans

    Hiroko Miyadera;Hisako Amino;Akira Hiraishi;Hikari Taka

  • Application of polyhydroxyalkanoates for denitrification in water and wastewater treatment

    A. Hiraishi;S. T. Khan

  • Discovery of Natural Photosynthesis using Zn-Containing Bacteriochlorophyll in an Aerobic Bacterium Acidiphilium rubrum

    Norio Wakao;Naoto Yokoi;Naohito Isoyama;Akira Hiraishi

  • Chloroflexus aggregans sp. nov., a Filamentous Phototrophic Bacterium Which Forms Dense Cell Aggregates by Active Gliding Movement

    Satoshi Hanada;Akira Hiraishi;Keizo Shimada;Katsumi Matsuura

  • Quinone Profiling of Bacterial Communities in Natural and Synthetic Sewage Activated Sludge for Enhanced Phosphate Removal

    Akira Hiraishi;Yoko Ueda;Junko Ishihara

  • Polymerase chain reaction amplification and restriction fragment length polymorphism analysis of 16S rRNA genes from methanogens

    Akira Hiraishi;Yoichi Kamagata;Kazunori Nakamura

  • A re-evaluation of the taxonomy of Paracoccus denitrificans and a proposal for the combination Paracoccus pantotrophus comb. nov.

    Frederick A. Rainey;Donovan P. Kelly;Erko Stackebrandt;Jutta Burghardt

  • HORIZONTAL TRANSFER OF GENES CODING FOR THE PHOTOSYNTHETIC REACTION CENTERS OF PURPLE BACTERIA

    Kenji V. P. Nagashima;Akira Hiraishi;Keizo Shimada;Katsumi Matsuura

  • Isoprenoid quinones as biomarkers of microbial populations in the environment.

    Akira Hiraishi

  • Phylogenetic Characterization of a Polychlorinated-Dioxin- Dechlorinating Microbial Community by Use of Microcosm Studies

    Naoko Yoshida;Nobutaka Takahashi;Akira Hiraishi

  • RESPIRATORY QUINONE PROFILES AS TOOLS FOR IDENTIFYING DIFFERENT BACTERIAL POPULATIONS IN ACTIVATED SLUDGE

    Akira Hiraishi

  • Rhodoplanes gen. nov., a New Genus of Phototrophic Bacteria Including Rhodopseudomonas rosea as Rhodoplanes roseus comb. nov. and Rhodoplanes elegans sp. nov.

    Akira Hiraishi;Yoko Ueda

  • Phylogenetic Evidence for the Existence of Novel Thermophilic Bacteria in Hot Spring Sulfur-Turf Microbial Mats in Japan

    Hiroyuki Yamamoto;Akira Hiraishi;Kenji Kato;Hiroshi X. Chiura

Frequent Co-Authors

Shinichi Takaichi
Shinichi Takaichi Nippon Medical School
Johannes F. Imhoff
Johannes F. Imhoff GEOMAR Helmholtz Centre for Ocean Research Kiel
Yoichi Kamagata
Yoichi Kamagata National Institute of Advanced Industrial Science and Technology
Shigeru Itoh
Shigeru Itoh Nagoya University
Hiroyuki Yamamoto
Hiroyuki Yamamoto St. Marianna University School of Medicine
Satoshi Okabe
Satoshi Okabe Hokkaido University
Yasuyoshi Sakai
Yasuyoshi Sakai Kyoto University
Kazuya Watanabe
Kazuya Watanabe Tokyo University of Pharmacy and Life Sciences
Kazuo Komagata
Kazuo Komagata University of Tokyo
Hideto Tsuji
Hideto Tsuji Toyohashi University of Technology

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

Studying Microbiology in the USA opens various interdisciplinary career pathways, including healthcare and information management sectors. For those interested in combining clinical knowledge with patient care, exploring functional medicine np programs offers specialized nurse practitioner routes focused on holistic patient treatment.

On the administrative side, careers such as Certified Professional Coders (CPC) play a vital role in healthcare documentation and billing. Understanding the cpc salary trends and qualifications can help students gauge the financial and professional rewards of this path.

For those inclined toward managing medical data and compliance, health information management offers a promising career. Exploring the health information manager salary insights provides a clear picture of the sector’s opportunities.

To enter this field, earning degrees from reputable programs is crucial. Students should consider the best online health information management degree cahiim accredited options to ensure quality education and better career prospects.

Best Scientists Citing Akira Hiraishi

Trending Scientists

Recently Published Articles