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Jun-Ichi Hayashi

Jun-Ichi Hayashi

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Genetics 57 3394 3206 151 144 175 13783

Jun-Ichi Hayashi publications per year

The chart shows the history of publications by Jun-Ichi Hayashi between 1978 and 2026, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Jun-Ichi Hayashi published across 49 years, from 1978 to 2026, averaging 3.8 papers a year. Output peaked at 11 publications in 2001. 1 of the 187 publications appeared in the last two years.

No. of publications
2 4 6 8 10
Bar chart. Horizontal axis: year, 1978 to 2026. Vertical axis: number of publications, 0 to 11. Peak 11 publications in 2001. 1978: 4 publications 1979: 2 publications 1980: 5 publications 1981: 4 publications 1982: 2 publications 1983: 2 publications 1984: 1 publication 1985: 1 publication 1986: 0 publications 1987: 2 publications 1988: 1 publication 1989: 1 publication 1990: 2 publications 1991: 1 publication 1992: 2 publications 1993: 3 publications 1994: 5 publications 1995: 3 publications 1996: 4 publications 1997: 6 publications 1998: 9 publications 1999: 6 publications 2000: 6 publications 2001: 11 publications 2002: 8 publications 2003: 2 publications 2004: 5 publications 2005: 9 publications 2006: 8 publications 2007: 4 publications 2008: 8 publications 2009: 6 publications 2010: 8 publications 2011: 3 publications 2012: 4 publications 2013: 6 publications 2014: 5 publications 2015: 8 publications 2016: 6 publications 2017: 3 publications 2018: 3 publications 2019: 3 publications 2020: 0 publications 2021: 2 publications 2022: 2 publications 2023: 0 publications 2024: 0 publications 2025: 0 publications 2026: 1 publication
1978 2026

187 publications in total across all disciplines

View publications per year as a table
Jun-Ichi Hayashi: publications per year, 1978 to 2026
Year Publications
1978 4
1979 2
1980 5
1981 4
1982 2
1983 2
1984 1
1985 1
1986 0
1987 2
1988 1
1989 1
1990 2
1991 1
1992 2
1993 3
1994 5
1995 3
1996 4
1997 6
1998 9
1999 6
2000 6
2001 11
2002 8
2003 2
2004 5
2005 9
2006 8
2007 4
2008 8
2009 6
2010 8
2011 3
2012 4
2013 6
2014 5
2015 8
2016 6
2017 3
2018 3
2019 3
2020 0
2021 2
2022 2
2023 0
2024 0
2025 0
2026 1
Total 187
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Jun-Ichi Hayashi publication distribution in Genetics in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Genetics in 2026. The highlighted bar marks where Jun-Ichi Hayashi sits on this spectrum.

No. of scientists
50 100 150 200
Bar chart with 67 bars. Horizontal axis: publications, 45–54 to 703+. Vertical axis: number of scientists, 0 to 217. Most scientists, 217, have 125–134 publications. The last bar groups every scientist with 703 publications or more. The highlighted bar, 175–184 publications, is where this scientist sits. 45–54 publications: 6 scientists 55–64 publications: 10 scientists 65–74 publications: 35 scientists 75–84 publications: 84 scientists 85–94 publications: 102 scientists 95–104 publications: 151 scientists 105–114 publications: 175 scientists 115–124 publications: 203 scientists 125–134 publications: 217 scientists 135–144 publications: 205 scientists 145–154 publications: 193 scientists 155–164 publications: 188 scientists 165–174 publications: 170 scientists 175–184 publications: 178 scientists 185–194 publications: 164 scientists 195–204 publications: 173 scientists 205–214 publications: 159 scientists 215–224 publications: 134 scientists 225–234 publications: 143 scientists 235–244 publications: 105 scientists 245–254 publications: 114 scientists 255–264 publications: 92 scientists 265–274 publications: 88 scientists 275–284 publications: 87 scientists 285–294 publications: 80 scientists 295–304 publications: 62 scientists 305–314 publications: 75 scientists 315–324 publications: 67 scientists 325–334 publications: 60 scientists 335–344 publications: 52 scientists 345–354 publications: 40 scientists 355–364 publications: 48 scientists 365–374 publications: 47 scientists 375–384 publications: 46 scientists 385–394 publications: 31 scientists 395–404 publications: 27 scientists 405–414 publications: 40 scientists 415–424 publications: 30 scientists 425–434 publications: 43 scientists 435–444 publications: 29 scientists 445–454 publications: 14 scientists 455–464 publications: 28 scientists 465–474 publications: 21 scientists 475–484 publications: 21 scientists 485–494 publications: 22 scientists 495–504 publications: 17 scientists 505–514 publications: 12 scientists 515–524 publications: 11 scientists 525–534 publications: 8 scientists 535–544 publications: 8 scientists 545–554 publications: 14 scientists 555–564 publications: 4 scientists 565–574 publications: 11 scientists 575–584 publications: 5 scientists 585–594 publications: 11 scientists 595–604 publications: 12 scientists 605–614 publications: 7 scientists 615–624 publications: 6 scientists 625–634 publications: 10 scientists 635–644 publications: 9 scientists 645–654 publications: 10 scientists 655–664 publications: 6 scientists 665–674 publications: 6 scientists 675–684 publications: 6 scientists 685–694 publications: 4 scientists 695–702 publications: 6 scientists 703+ publications: 100 scientists
45–54 publications 703+

This scientist: 175 publications — 41st percentile

41% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 703 publications or more.

View publications distribution as a table
Number of Genetics scientists by publication count, Research.com 2026 ranking edition. Based on 4,342 ranked scientists.
Publications Scientists This scientist
45–54 6
55–64 10
65–74 35
75–84 84
85–94 102
95–104 151
105–114 175
115–124 203
125–134 217
135–144 205
145–154 193
155–164 188
165–174 170
175–184 178 175
185–194 164
195–204 173
205–214 159
215–224 134
225–234 143
235–244 105
245–254 114
255–264 92
265–274 88
275–284 87
285–294 80
295–304 62
305–314 75
315–324 67
325–334 60
335–344 52
345–354 40
355–364 48
365–374 47
375–384 46
385–394 31
395–404 27
405–414 40
415–424 30
425–434 43
435–444 29
445–454 14
455–464 28
465–474 21
475–484 21
485–494 22
495–504 17
505–514 12
515–524 11
525–534 8
535–544 8
545–554 14
555–564 4
565–574 11
575–584 5
585–594 11
595–604 12
605–614 7
615–624 6
625–634 10
635–644 9
645–654 10
655–664 6
665–674 6
675–684 6
685–694 4
695–702 6
703+ 100
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Jun-Ichi Hayashi D-index placement in Genetics in 2026

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

No. of scientists
50 100 150
Bar chart with 61 bars. Horizontal axis: D-Index, 40–41 to 160+. Vertical axis: number of scientists, 0 to 191. Most scientists, 191, have 62–63 D-Index. The last bar groups every scientist with 160 D-Index or more. The highlighted bar, 56–57 D-Index, is where this scientist sits. 40–41 D-Index: 24 scientists 42–43 D-Index: 52 scientists 44–45 D-Index: 84 scientists 46–47 D-Index: 112 scientists 48–49 D-Index: 118 scientists 50–51 D-Index: 141 scientists 52–53 D-Index: 143 scientists 54–55 D-Index: 145 scientists 56–57 D-Index: 179 scientists 58–59 D-Index: 162 scientists 60–61 D-Index: 175 scientists 62–63 D-Index: 191 scientists 64–65 D-Index: 172 scientists 66–67 D-Index: 184 scientists 68–69 D-Index: 164 scientists 70–71 D-Index: 158 scientists 72–73 D-Index: 150 scientists 74–75 D-Index: 136 scientists 76–77 D-Index: 127 scientists 78–79 D-Index: 127 scientists 80–81 D-Index: 111 scientists 82–83 D-Index: 110 scientists 84–85 D-Index: 110 scientists 86–87 D-Index: 84 scientists 88–89 D-Index: 102 scientists 90–91 D-Index: 66 scientists 92–93 D-Index: 72 scientists 94–95 D-Index: 70 scientists 96–97 D-Index: 54 scientists 98–99 D-Index: 60 scientists 100–101 D-Index: 49 scientists 102–103 D-Index: 55 scientists 104–105 D-Index: 45 scientists 106–107 D-Index: 42 scientists 108–109 D-Index: 28 scientists 110–111 D-Index: 39 scientists 112–113 D-Index: 25 scientists 114–115 D-Index: 31 scientists 116–117 D-Index: 29 scientists 118–119 D-Index: 34 scientists 120–121 D-Index: 29 scientists 122–123 D-Index: 29 scientists 124–125 D-Index: 18 scientists 126–127 D-Index: 27 scientists 128–129 D-Index: 22 scientists 130–131 D-Index: 16 scientists 132–133 D-Index: 11 scientists 134–135 D-Index: 17 scientists 136–137 D-Index: 12 scientists 138–139 D-Index: 21 scientists 140–141 D-Index: 4 scientists 142–143 D-Index: 9 scientists 144–145 D-Index: 14 scientists 146–147 D-Index: 6 scientists 148–149 D-Index: 10 scientists 150–151 D-Index: 7 scientists 152–153 D-Index: 9 scientists 154–155 D-Index: 8 scientists 156–157 D-Index: 8 scientists 158–159 D-Index: 9 scientists 160+ D-Index: 96 scientists
40–41 D-Index 160+

This scientist: 57 D-Index — 23rd percentile

23% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 160 D-Index or more.

View D-Index distribution as a table
Number of Genetics scientists by D-index, Research.com 2026 ranking edition. Based on 4,342 ranked scientists.
D-Index Scientists This scientist
40–41 24
42–43 52
44–45 84
46–47 112
48–49 118
50–51 141
52–53 143
54–55 145
56–57 179 57
58–59 162
60–61 175
62–63 191
64–65 172
66–67 184
68–69 164
70–71 158
72–73 150
74–75 136
76–77 127
78–79 127
80–81 111
82–83 110
84–85 110
86–87 84
88–89 102
90–91 66
92–93 72
94–95 70
96–97 54
98–99 60
100–101 49
102–103 55
104–105 45
106–107 42
108–109 28
110–111 39
112–113 25
114–115 31
116–117 29
118–119 34
120–121 29
122–123 29
124–125 18
126–127 27
128–129 22
130–131 16
132–133 11
134–135 17
136–137 12
138–139 21
140–141 4
142–143 9
144–145 14
146–147 6
148–149 10
150–151 7
152–153 9
154–155 8
156–157 8
158–159 9
160+ 96
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Overview

Jun-Ichi Hayashi is affiliated with the University of Tsukuba in Japan and has contributed extensively to research in medicine and dentistry, focusing notably on periodontics and related disciplines.

Their work encompasses several subfields including periodontics, pulmonary and respiratory medicine, biomedical engineering, public health, environmental and occupational health, and molecular biology.

The main research topics covered in their publications include:

  • Oral microbiology and periodontitis research
  • Photodynamic therapy research studies
  • Immune response and inflammation
  • Laser applications in dentistry and medicine
  • HIV/AIDS oral health manifestations
  • Oral health pathology and treatment
  • Bone metabolism and diseases

Recent papers authored or co-authored by Hayashi include:

  • "Gelatin Methacryloyl-Riboflavin (GelMA-RF) Hydrogels for Bone Regeneration," 2021, International Journal of Molecular Sciences
  • "Next-Generation Examination, Diagnosis, and Personalized Medicine in Periodontal Disease," 2022, Journal of Personalized Medicine
  • "Photodynamic Inactivation of an Endodontic Bacteria Using Diode Laser and Indocyanine Green-Loaded Nanosphere," 2021, International Journal of Molecular Sciences
  • "IL-35 and RANKL Synergistically Induce Osteoclastogenesis in RAW264 Mouse Monocytic Cells," 2020, International Journal of Molecular Sciences
  • "Porphyromonas gingivalis Components/Secretions Synergistically Enhance Pneumonia Caused by Streptococcus pneumoniae in Mice," 2021, International Journal of Molecular Sciences

Frequent co-authors collaborating with Hayashi include:

  • Akio Mitani
  • Takeshi Kikuchi
  • Ryoma Goto
  • Eisaku Nishida
  • Tasuku Ohno

The most common venues for Hayashi's publications are:

  • International Journal of Molecular Sciences
  • Journal of Personalized Medicine
  • Journal of Periodontology
  • Journal of Periodontal Research
  • Photodiagnosis and Photodynamic Therapy

Best Publications

  • ROS-generating mitochondrial DNA mutations can regulate tumor cell metastasis.

    Kaori Ishikawa;Kaori Ishikawa;Keizo Takenaga;Miho Akimoto;Nobuko Koshikawa

  • Introduction of disease-related mitochondrial DNA deletions into HeLa cells lacking mitochondrial DNA results in mitochondrial dysfunction.

    Jun-Ichi Hayashi;Shigeo Ohta;Aiko Kikuchi;Masakazu Takemitsu

  • Elimination of paternal mitochondrial DNA in intraspecific crosses during early mouse embryogenesis

    Hideki Kaneda;Jun-Ichi Hayashi;Sumiyo Takahama;Choji Taya

  • Inter-mitochondrial complementation: Mitochondria-specific system preventing mice from expression of disease phenotypes by mutant mtDNA

    Kazuto Nakada;Kimiko Inoue;Kimiko Inoue;Tomoko Ono;Kotoyo Isobe

  • Correction: Corrigendum: Epigenetic regulation of the nuclear-coded GCAT and SHMT2 genes confers human age-associated mitochondrial respiration defects

    Osamu Hashizume;Sakiko Ohnishi;Takayuki Mito;Akinori Shimizu

  • Human cells are protected from mitochondrial dysfunction by complementation of DNA products in fused mitochondria.

    Tomoko Ono;Kotoyo Isobe;Kazuto Nakada;Jun-Ichi Hayashi

  • Generation of mice with mitochondrial dysfunction by introducing mouse mtDNA carrying a deletion into zygotes

    Kimiko Inoue;Kazuto Nakada;Atsuo Ogura;Kotoyo Isobe

  • The mitochondrial bottleneck occurs without reduction of mtDNA content in female mouse germ cells

    Liqin Cao;Hiroshi Shitara;Takuro Horii;Yasumitsu Nagao

  • Mitochondria-related male infertility

    Kazuto Nakada;Akitsugu Sato;Kayo Yoshida;Takashi Morita

  • Maternal inheritance of mouse mtDNA in interspecific hybrids: segregation of the leaked paternal mtDNA followed by the prevention of subsequent paternal leakage.

    Hiroshi Shitara;Jun-Ichi Hayashi;Sumiyo Takahama;Hideki Kaneda

  • Selective and Continuous Elimination of Mitochondria Microinjected Into Mouse Eggs From Spermatids, but Not From Liver Cells, Occurs Throughout Embryogenesis

    Hiroshi Shitara;Hiroshi Shitara;Hideki Kaneda;Akitsugu Sato;Kimiko Inoue;Kimiko Inoue

  • Gene therapy for progeny of mito-mice carrying pathogenic mtDNA by nuclear transplantation

    Akitsugu Sato;Tomohiro Kono;Kazuto Nakada;Kaori Ishikawa

  • Mitochondrial DNA Is Required for Regulation of Glucose-stimulated Insulin Secretion in a Mouse Pancreatic Beta Cell Line, MIN6

    Aki Soejima;Kimiko Inoue;Daisaku Takai;Motohisa Kaneko

  • Human mitochondria and mitochondrial genome function as a single dynamic cellular unit

    J.-I. Hayashi;M. Takemitsu;Y.-I. Goto;I. Nonaka

  • Reactive Oxygen Species-generating Mitochondrial DNA Mutation Up-regulates Hypoxia-inducible Factor-1α Gene Transcription via Phosphatidylinositol 3-Kinase-Akt/Protein Kinase C/Histone Deacetylase Pathway

    Nobuko Koshikawa;Jun-Ichi Hayashi;Akira Nakagawara;Keizo Takenaga

  • Evolutionary Relationships among Five Subspecies of MUS MUSCULUS Based on Restriction Enzyme Cleavage Patterns of Mitochondrial DNA

    Hiromichi Yonekawa;Kazuo Moriwaki;Osamu Gotoh;Jun-Ichi Hayashi

  • Nuclear but not mitochondrial genome involvement in human age-related mitochondrial dysfunction. Functional integrity of mitochondrial DNA from aged subjects.

    J.-I. Hayashi;S. Ohta;Y. Kagawa;H. Kondo

  • New Evidence Confirms That the Mitochondrial Bottleneck Is Generated without Reduction of Mitochondrial DNA Content in Early Primordial Germ Cells of Mice

    Liqin Cao;Hiroshi Shitara;Michihiko Sugimoto;Jun Ichi Hayashi

  • RELATIONSHIP BETWEEN LABORATORY MICE AND THE SUBSPECIES MUS MUSCULUS DOMESTICUS BASED ON RESTRICTION ENDONUCLEASE CLEAVAGE PATTERNS OF MITOCHONDRIAL DNA

    Hiromichi Yonekawa;Kazuo Moriwaki;Osamu Gotoh;Junko Watanabe

  • Generation of mice with mitochondrial dysfunction by introducing mouse mtDNA carrying a deletion into zygotes

    K Inoue;K Nakada;J Hayashi;K Isobe

Frequent Co-Authors

Hiromichi Yonekawa
Hiromichi Yonekawa Tokyo Metropolitan Institute of Medical Science
Kimiko Inoue
Kimiko Inoue University of Tsukuba
Osamu Gotoh
Osamu Gotoh Japanese Foundation For Cancer Research
Shigeo Ohta
Shigeo Ohta Juntendo University
Yu-ichi Goto
Yu-ichi Goto University of Tsukuba
Yasuo Kagawa
Yasuo Kagawa Kagawa Nutrition University
Hiroyuki Miyoshi
Hiroyuki Miyoshi Keio University
Atsuo Ogura
Atsuo Ogura University of Tsukuba
Ikuya Nonaka
Ikuya Nonaka Tokyo Medical University
Kazuo Moriwaki
Kazuo Moriwaki National Institute of Genetics

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